Coffre-fort ignifuge ou étanche pour l'or : ce qui compte le plus en 2026

Pour sécuriser vos métaux précieux, le choix entre une protection ignifuge et une protection étanche n'est pas simple. Nous analysons quelle caractéristique offre la meilleure protection pour vos investissements en or et en argent en 2026.

Nos Meilleures Sélections de Produits

SentrySafe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5 inches, HD4100

SentrySafe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5 inches, HD4100

SentrySafe

FIREPROOF: Safe is UL Classified to endure 1/2 hour at 1550°F and keep interior temperatures safe for irreplaceable documents, valuables, DVDs, and USBs WATERPROOF: Safe box is ETL Verified for 72 hours of protection in water up to 8 inches deep offering peace of mind in the event of a flood COLOR: The fireproof file box has a black exterior finish KEYLOCK: Fireproof safe contains a flat key that prevents the lid from opening due to fire, includes 2 keys DOCUMENT SAFE: Important document organizer features built-in straps for easy storage of passports, social security cards, and birth certificates

EDMUED Fireproof Document Box with Combination Lock, Fireproof Water Resistant Hard Case Safe Box for Important Documents Certificates Laptop Passports

EDMUED Fireproof Document Box with Combination Lock, Fireproof Water Resistant Hard Case Safe Box for Important Documents Certificates Laptop Passports

EDMUED

UL-94 VTM-0 Certified Fireproof Document Box - The fireproof document box is constructed with 0.8mm premium fire-retardant, non-irritating silicone-coated fiberglass that resists fire and has passed UL-94 VTM-0 flammability testing Tamper-Proof Combination Lock & Secure Storage: Features tamper-proof 3-digit combination lock and reinforced seams, Enough big space to store your laptop documents, money, passport, U disk, pens, cards, certificates in a safe and orderly way. Durable Hard Shell Construction: This innovative fireproof document box combines fireproof materials with a rigid hard shell design, offering superior fire protection. keep valuable documents safe from damage. Large Capacity & Multi-Compartment Storage: With a size of 15.8 x 11.8 x 5.4 inches, this fireproof document box provides ample space. It features 12 accordion folders, 2 main mesh pockets, 16 card slots, 2 USB pockets, and 4 pen slots. All-Round Peace of Mind Protection: Go beyond basic fire safety. Our fireproof document box offers crucial additional defense against fire, water damage, and physical impact, safeguarding irreplaceable items.

SentrySafe Waterproof and Fireproof Alloy Steel Digital Safe Box for Home with Code Button Keypad, 1.23 Cubic Feet, 17.8 x 16.3 x 19.3 Inches (exterior), SFW123GDC

SentrySafe Waterproof and Fireproof Alloy Steel Digital Safe Box for Home with Code Button Keypad, 1.23 Cubic Feet, 17.8 x 16.3 x 19.3 Inches (exterior), SFW123GDC

SentrySafe

Fireproof safe is UL Classified to endure 1 hour at 1700°F and keep interior temperatures safe for irreplaceable documents, valuables, DVDs, and USBs; ETL Verified to withstand a 15 foot fall during a fire and remain closed Waterproof safe is ETL Verified for 24 hours of protection in water up to 8 inches deep offering peace of mind in the event of a flood Set your own digital combination fire safe with secondary locking key for strong security; digital combination safe features four live-locking bolts, steel construction, pry-resistant hinge bar, locking drawer, interior light, and bolt down hardware Exterior: 16.3 in. W x 19.3 in. D x 17.8 in. H; door requires 14.75 in. of clearance to fully open; Interior: 12.6 in. W x 11.9 in. D x 13.8 in. H; large 1.23 cubic foot capacity; weighs 86.69 pounds For optimal performance, SentrySafe recommends the use of four high-quality, name branded, alkaline AAA batteries with an expiration date of 8-10 years from the current year.

BlackSmith Home Biometric Safe 1.0 Cub - Fingerprint Recognition Box With Keys, Keypad Lock, LCD Display, Dual Alarm System - Wall Mount Cabinet for Jewelry and Valuables, Black

BlackSmith Home Biometric Safe 1.0 Cub - Fingerprint Recognition Box With Keys, Keypad Lock, LCD Display, Dual Alarm System - Wall Mount Cabinet for Jewelry and Valuables, Black

BlackSmith

Handle-style fingerprint unlock with a 160x160 pixel sensor and 508 DPI scanner. Enjoy quick access in just 0.1s by simply pressing your finger while holding the handle. Stores up to 50 fingerprints. 10-digit keypad with an LCD display provides multiple number combinations for enhanced security. 2 spare keys and a Type-C power supply ensure easy access to home safe box, even in emergencies. Dual alarm system deters unauthorized access. An alarm activated with continuous wrong fingerprint or password entries, or violent vibrations. Mute function provides better privacy. Pre-drilled holes allow for easy wall mounting. 16-gauge alloy steel for added strength. Features 2 solid steel lock bolts, pry-resistant concealed hinges, and a recessed door for enhanced protection against forced entry. Automatic LED light ensures easy access, even in the dark. Color: Black. Offers 1.0 cubic feet of storage space. External size: 9.84''H x 13.78''W x 9.84''D. Includes a removable shelf for organizing cash, passports and other valuables. Soft carpet inside to prevent scratching.

Biometric Home Safe, Fingerprint Gun Safe Lock Box,Money Box for Jewelry Handgun Cash Valuables,Perfect for Home/Office/Hotel, Black, 1.7 Cubic Feet

Biometric Home Safe, Fingerprint Gun Safe Lock Box,Money Box for Jewelry Handgun Cash Valuables,Perfect for Home/Office/Hotel, Black, 1.7 Cubic Feet

VoleStay

✅【Instant Biometric / PIN Code and Key Access】This gun safe can hold up to 20 individual fingerprints which can be accessed within 1 second. A simple touch by a pre-programmed fingerprint is all it takes. The 10 digit keypad allows for millions code combinations versus 256 codes for 4 digit keypad safes. Instantly access your valuables, documents, and firearms after the door opens. ✅【Smart Capacity, Removable Handgun Rack】: This cabinet safe has 1.55 cubic feet, Product exterior size-13.75" x 13" x 16.5"(W*D*H). It gives you enough capacity for storing handguns, important documents, jewelry, and other valuables. We specailly designed a 5-position handgun rack. If you do not store pistols, you can remove it or cut it to fit less pistols.. Weight: 36.4 lbs. ✅【TOUGH AND RUGGED Steel Construction】 The portable cabinet safe is made of reinforced solid steel wall construction. Door:14 gauge.Wall: 16 gauge. It includes 3 live-door bolts(1 more locking bolt than other safes) and a new internal safety bracket for maximum protection against break-ins. The durable powder coating finish prevents corrosion and ensures long-term protection of your belongings for years to come. Pre-drilled holes and hardware are included for floor/wall mounting. ✅【QUICK ACCESS Biometric Gun Safe for Pistols】 Get QUICK ACCESS to your contents including valuables, documents, and firearms through the spring loaded access door. Get in quickly when it matters most using the biometric fingerprint scanner or the rapid backlit keypad. ✅【LED light and SILENT MODE】 You can also set it to silent mode. This is an important function when you have intruder at night or you want to use the safe without distubing others.

Billconch Smart Gun Safe for Multiple Pistols - Automatic Lock Safe Box with LCD Display/Voice Guide, Quick Access Unlock with Fingerprint/Keypad/Key/App, Biometric Handgun Safe for Money Valuables

Billconch Smart Gun Safe for Multiple Pistols - Automatic Lock Safe Box with LCD Display/Voice Guide, Quick Access Unlock with Fingerprint/Keypad/Key/App, Biometric Handgun Safe for Money Valuables

BILLCONCH

Unique Pistol Bracket Design: The gun safe features an innovative pistol bracket design, ensuring secure and organized storage for your handguns, protecting your children from accidental access. The support bar can be unscrewed and repositioned into a side hole of the bracket base to optimize space and convenience Automatic Locking Feature: The handgun safe automatically locks when the door is closed, provided the correct password or fingerprint is used. No additional knob is needed for locking 4 Fast Unlock Methods: Access the biometric gun safe quickly with fingerprint, PIN, app, or key. High-resolution fingerprint scanning unlocks the safe in 1 second, and numeric keys 0-9 enhance security. The app enables easy management of settings, passwords, and unlock records, offering flexible and rapid access for emergencies Additional Features: The pistol safe includes an LCD screen with a smart UI and voice guidance for easy setup and use. You can switch to silent mode if preferred. Built-in automatic LED lighting ensures easy access to valuables in the dark, allowing for quick retrieval in emergencies Versatile Storage and Robust Steel Structure: This fingerprint safe features a spacious design that securely holds up to 4 pistols, passports, and other valuables. It includes a removable shelf for efficient space usage. Constructed from high-tensile cold-rolled steel with a powder coating for corrosion resistance, it is suitable for living rooms, bedrooms, cloakrooms and officesThe flexible storage accommodates various handguns.

Voncabay Money Safe Box for Home with Sensor Light & Fireproof Money Bag - 0.23 Cubic Feet Security Safe Box with Digital Keypad, Keys & Pass Code Lock, 9.05" W x 6.69" D x 6.69" H, Black

Voncabay Money Safe Box for Home with Sensor Light & Fireproof Money Bag - 0.23 Cubic Feet Security Safe Box with Digital Keypad, Keys & Pass Code Lock, 9.05" W x 6.69" D x 6.69" H, Black

Voncabay

[Security Safe Box with Intelligent Sensor Light]: Voncabay Small Safe Box for Home automatically turns on the light after you open the safety box by Using Keypad, soft light makes it easy for you to get the items you need without hurting your eyes and it will turn off after 30 seconds. Additionally, our numeric keypad of Security Safe Box will remind you whether the password is correct with an indicator light and remind you battery is about to run out by lighting up a red light. [Cash Safe Box & Fireproof Bag - Excellent Safety Performance]: Made of reinforced alloy steel, our Lock Box Fireproof Safe without holes has two enhanced steel bolts, pry-resistant concealed hinges and a tamper-proof doors, which provides physical protection against forced entry. It also comes with a Waterproof and Fireproof Document Bag which is perfect to protect your small valuables. The combination of Steel Safes and Fireproof Waterproof Bags can give your valuables a double protection. [Easy to Set Up]: Only 4 STEPS to set a password for the Fireproof Box. Step 1, Remove the Override Key Cover and use the Override Key to open the safe; Step 2, Remove battery compartment cover of lock safe box and install the 4 x "AA" batteries in the correct directions; Step 3, Press the reset button; Step 4, Enter the new password in 15 seconds and end with "E". Press "C" to clear entry if wrong digit is entered. Please keep override keys in a safe place outside the safe with keypad. [2 Ways to Unlock the Money Safe Box]: Voncabay Small Money Safe has 2 unlock ways: 1) insert the Emergency Backup Keys into the mini safe and turn left, then turn entry knob clockwise to open the personal safe box; 2) use the Numeric Keyboard to enter the password followed by "E", then turn the knob clockwise to open. Our security box offers Security Lockout System: if an incorrect password is entered three times in a row, the digital keypad will begin a five-minute security lockout period. [Smart Capacity Fireproof Safe Box ]: Exterior: 9 x 6.6 x 6.5 inches; Interior: 8.6 x 6.2 x 6.1 inches; Thickness of the latches are 0.6 inch. With only 0.23 Cubic Feet, our Mini Hidden Safe Box can be used as a hotel safe, a closet safe, a wall safe, a floor safe and a fireproof cash box, which can be placed in wardrobes, drawers, and bedside tables. Please Pay Attention to the Size of the Safe Before Purchasing.

[UPGRADED] Small Safe Box for Home, 0.30 Cuft Mini Safes with Fireproof Waterproof Bag, Digital Money Safe with Programmable Keypad Spare Keys, Security Cash Box for Money Valuables

[UPGRADED] Small Safe Box for Home, 0.30 Cuft Mini Safes with Fireproof Waterproof Bag, Digital Money Safe with Programmable Keypad Spare Keys, Security Cash Box for Money Valuables

FOWORE

【LIGHT-DUTY & SMALL SAFE】This is not a heavy duty safe! It is the perfect size for personal use, but will not hold large items such as thick binders or multiple books. Tips: Please check the product size of this safe box before purchase. 【COMPACT DESIGN & BUILT QUALITY】 This Money safe has a small and compact design, although there are no shelf inside, there is still enough space to store small personal items. The Cash box has a sturdy steel construction and feels solid and secure in the hand. The 2 x 20mm sturdy locking bolts and thicker 42mm door provide a measure of security for your valuables. 【HIDDEN HOME SAFE WITH MOUNTING DESIGN】The solid black matte design allows it to be easily hidden in your home. There are two pre-drilled holes on the back and bottom of the combination safe, which can help you fix the safe in an inconspicuous place such as a closet/cabinet, effectively stopping others from accessing your valuables. 【UPGRADED ERGONOMIC KEYPAD WITH 3 WAYS OF ACCESS】 This personal safe comes with a larger and more sensitive numeric keypad for easy and secure access. The digital safe is also equipped with a spare key lock for emergencies; if you can't find the key/batteries run out, simply plug in the external battery compartment. 【SECURITY SAFE BOX WITH FIREPROOF BAG】The SMALL safe measures 10.63" W x 6.69" D x 6.69" H on the outside and it has a capacity of 0.3 cubic feet, making it perfect for storing small valuables such as cash, jewelry, passports, and a few documents. However, if you need more space or plan to store larger items, this safe may not be a good fit. The SMALL Fireproof Bag provides you with double protection. 【SMART ALARM & SILENT MODE】If you enter the wrong combination three times in a row, the safe box for money will automatically lock and sound an alarm. Press and hold the * key and then press the 8 key to turn the buzzer on/off, so you don't have to worry about the alarm sound of the SMALL safes for home disturbing others. 【LED SENSOR LIGHT & BACKUP KEY SERVICE】 When you open your MINI safe, the light on the inside of the door will automatically come on, making it easy for you to get to what you need. If you lose the key, you can get a new backup key for based on the unique lock hole serial number.

Points clés

Pour les métaux précieux, la protection contre l'eau est souvent primordiale : Bien que les incendies domestiques atteignent rarement des températures suffisamment élevées pour faire fondre l'or ou l'argent, l'eau utilisée pour les éteindre (ou en cas d'inondation) représente une menace directe de corrosion, notamment pour l'argent et ses certificats.

Les véritables dommages causés par le feu : Le principal risque lié au feu pour les métaux précieux n'est pas la fusion, mais les dommages causés aux lingots gradués (supports en plastique), aux certificats d'analyse et la difficulté de récupérer les métaux recouverts de suie.

La solution idéale : une double protection : Vous n'avez pas à choisir. La norme du marché pour 2026 pour les investisseurs sérieux est un coffre-fort certifié à la fois contre le feu et l'eau, offrant ainsi la protection la plus complète contre les dommages aux actifs.

La sécurité avant tout : La capacité d'un coffre-fort à résister au vol (son système de verrouillage et de fixation) est primordiale. La protection environnementale est secondaire par rapport à la prévention du vol de votre investissement par un cambrioleur.

Choisir un coffre-fort ignifugé ou étanche pour vos lingots est une étape cruciale pour une sécurité optimale de vos métaux précieux à domicile. Sécurité des métaux précieux à domicile : Le guide ultime 2026 pour le stockage de l'or et de l'argent. Nombre d'investisseurs considèrent le feu comme l'ennemi ultime, imaginant leurs précieux métaux fondre et se réduire en miettes. La réalité est pourtant bien plus nuancée.

Grâce à leurs points de fusion élevés, l'or et l'argent survivront probablement à un incendie domestique classique. Les menaces les plus immédiates, et souvent négligées, sont les dégâts des eaux (provoqués par l'intervention des pompiers, les ruptures de canalisations ou les inondations) et la destruction de documents importants comme les certificats d'analyse. Cette analyse, loin des arguments marketing, vous permettra de déterminer quelle protection offre la meilleure valeur ajoutée pour la sécurité de vos lingots et pièces d'or et d'argent.

Comprendre les véritables menaces : dommages causés par le feu ou par l'eau aux lingots

Pour prendre une décision éclairée, il est essentiel de comprendre l'influence spécifique de chaque élément sur les métaux précieux. Il ne s'agit pas simplement de dire « le feu et l'eau sont mauvais ».

Nature des dommages causés par le feu

Le point de fusion de l'or est de 1 064 °C (1 948 °F) et celui de l'argent de 962 °C (1 763 °F). Un incendie domestique moyen atteint une température d'environ 600 °C (1 100 °F), généralement insuffisante pour liquéfier vos lingots. Quel est donc le risque réel ?

  • Dommages aux capsules et à l'emballage : Les pièces certifiées par des services comme PCGS ou NGC sont conservées dans des capsules en plastique rigide. Celles-ci fondent, risquant de se souder à la pièce et d'en ruiner la valeur de collection.

  • Destruction des certificats d'analyse : Les lingots d'or et d'argent, notamment ceux de marques comme PAMP Suisse, sont souvent conditionnés dans des emballages inviolables contenant des certificats d'analyse intégrés attestant de leur pureté et de leur poids. Un incendie détruira cet emballage, compliquant l'authentification et la revente.

  • Suie et contamination : Récupérer des lingots après un incendie est une tâche ardue. Les métaux seront recouverts de suie et d'autres résidus corrosifs, nécessitant un nettoyage professionnel.

La menace omniprésente des dégâts d'eau

Les dégâts d'eau constituent une menace plus insidieuse et fréquente. Ils ne proviennent pas uniquement des inondations naturelles ; ils sont une conséquence inévitable de la lutte contre un incendie.

  • Corrosion de l'argent (ternissement) : L'argent est très sensible au ternissement lorsqu'il est exposé à l'humidité et aux produits chimiques libérés dans l'air lors d'un incendie. Avec le temps, ce ternissement peut évoluer vers des piqûres et une corrosion permanente, surtout si l'eau contient des contaminants.

  • Dommages à tous les autres documents : Tous les documents papier, tels que les certificats d'authenticité ou les reçus d'achat conservés avec vos métaux, seront réduits en miettes. * Moisissures et mildiou : Si un coffre-fort n’est pas ouvert et séché correctement après avoir été exposé à l’eau, des moisissures peuvent se développer, créant un désordre dangereux et endommageant davantage les objets sensibles.

Décryptage des indices de résistance au feu : que signifient-ils pour les métaux ?

Le terme « ignifugé » est impropre ; aucun coffre-fort grand public n'est véritablement à l'abri du feu indéfiniment. Ils sont « résistants au feu » pour une durée et une température spécifiques. La norme du secteur est établie par Underwriters Laboratories (UL).

Une norme courante est UL 350 1 heure. Cela signifie :

  • Le coffre-fort a été exposé à une température extérieure de 927 °C (1 700 °F) pendant une heure.

  • Pendant cette période, la température intérieure n'a pas dépassé 177 °C (350 °F).

Cette norme est excellente pour protéger les documents papier, qui se carbonisent aux alentours de 204 °C (400 °F). Pour les lingots d'or, qui ne sont pas endommagés par 177 °C (350 °F), cette norme est largement suffisante. En résumé, presque tous les coffres-forts ignifugés de bonne qualité empêcheront vos métaux d'atteindre leur point de fusion lors d'un incendie domestique classique.

Comprendre les spécifications d'étanchéité et de résistance à l'eau

Les indices de protection contre l'eau sont moins standardisés que les indices de protection contre le feu, mais sont généralement vérifiés par des laboratoires tiers comme ETL Semko. Ces indices précisent deux aspects : la profondeur et la durée d'immersion.

Les indices courants incluent :

  • Résistance à l'eau : Le coffre-fort résiste à la pluie, aux éclaboussures ou aux jets d'eau des pompiers.

  • Étanchéité : Le coffre-fort peut être entièrement immergé dans l'eau pendant une durée déterminée sans fuite.

Un exemple de vérification ETL pourrait être : « Protection contre l'eau pendant 72 heures jusqu'à 20 cm de profondeur. »

Ce type de protection est assuré par des joints et des bagues d'étanchéité spécifiques autour de la porte. Lorsque la porte est fermée et verrouillée, elle crée un joint étanche par compression. Ceci est essentiel pour se protéger des milliers de litres d'eau utilisés lors des incendies ou pour les coffres-forts situés dans des sous-sols sujets aux inondations.

Comparaison directe : protection contre le feu et contre l'eau

Comparaison directe : protection contre le feu et contre l'eau

Comparons ces caractéristiques pour identifier la meilleure solution de protection pour le stockage de métaux précieux.

| Caractéristique | Coffre-fort ignifugé | Coffre-fort étanche | Coffre-fort double protection idéal |

| :--- | :--- | :--- | :--- |

| Objectif principal | Empêcher la combustion ou la fusion du contenu. | Maintenir le contenu parfaitement au sec. | Offrir une protection complète contre ces deux risques. |

| Mécanisme | Parois composites épaisses, joints intumescents qui se dilatent sous l'effet de la chaleur. | Joints de compression, joints de porte précis. | Combinaison des deux technologies. |

| Certifications clés | Certification UL (ex. : UL 350 1 heure) pour la température et la durée. | Certification ETL pour la profondeur et la durée d'immersion. | Certifications UL et ETL. |

| Idéal pour | Protéger le papier, l'argent liquide et les supports numériques. | Protéger les métaux de la corrosion, les appareils électroniques et les documents. | Protection polyvalente des actifs, notamment des lingots. |

| Points faibles | Peut ne pas être étanche à l'eau provenant de tuyaux d'arrosage ou d'inondations. | Offre une protection minimale contre les températures extrêmes. | Peut être plus coûteux ; nécessite un verrouillage soigné. |

| Verdict sur les lingots | Bien. Protège contre le principal risque (bien qu'improbable) de fonte. | Meilleur. Protège contre le risque plus probable de dégâts d'eau et de corrosion. | Excellent. Le choix idéal pour une tranquillité d'esprit totale.

Verdict : Pourquoi la protection contre l'eau est essentielle pour les métaux précieux

Pour la protection spécifique de l'or et de l'argent, une étanchéité de haute qualité est sans doute plus importante qu'une résistance au feu de longue durée.

Voici l'explication : un coffre-fort ignifugé de base de 30 minutes suffit à protéger les métaux des dommages causés par la chaleur dans la plupart des cas. Cependant, tout incendie, même mineur, implique de l'eau. Un simple feu de cuisine peut provoquer d'importantes projections d'eau par les pompiers.

Pour les investisseurs en argent, c'est un point crucial. L'effet corrosif de l'eau représente une menace directe et immédiate pour l'état et la valeur de leur investissement. Pour les investisseurs en or, bien que le métal lui-même soit inerte, l'étanchéité protège l'intégrité de son emballage et de tout autre objet de valeur stocké à proximité. Elle garantit qu'après un sinistre, en ouvrant le coffre-fort, vous trouverez vos actifs propres et secs, et non un amas de suie et d'eau.

Par conséquent, lorsqu'il faut choisir entre un coffre-fort résistant au feu pendant 2 heures mais sans joint d'étanchéité, et un autre résistant au feu pendant 1 heure et étanche pendant 72 heures, ce dernier est le meilleur choix pour les lingots.

La solution 2026 : vous n’avez pas à choisir

La solution 2026 : vous n’avez pas à choisir

Heureusement, grâce aux progrès technologiques en matière de sécurité, le choix entre un coffre-fort ignifugé et un coffre-fort étanche s'estompe. Le marché est désormais dominé par les coffres-forts à double protection, certifiés résistants aux deux éléments. Des marques comme SentrySafe ont fait de cette solution la norme en matière de sécurité domestique.

Des modèles comme le coffre-fort ignifugé et étanche SentrySafe constituent une excellente base et proposent souvent :

  • Certification UL de résistance au feu d'une heure.

  • Certification ETL d'étanchéité de 24 heures.

  • Clavier numérique ou système de verrouillage biométrique.

  • Agencement intérieur optimisé pour les objets de valeur.

Investir dans un coffre-fort à double protection vous évite tout compromis. Vous bénéficiez d'une protection complète contre les sinistres les plus courants, garantissant la préservation de votre patrimoine, quelle que soit la menace.

Au-delà des notations : la caractéristique la plus importante pour la sécurité des lingots

La protection de l'environnement est essentielle, mais elle est inutile si un voleur peut emporter votre coffre-fort. La caractéristique de sécurité la plus importante pour tout coffre-fort contenant des objets de valeur est sa fixation au sol.

  • Fixation obligatoire : Votre coffre-fort doit être solidement boulonné à une surface stable, de préférence une dalle de béton. Ainsi, il devient un élément inamovible de votre domicile.

  • Mécanisme de verrouillage : En 2026, les serrures biométriques et à clavier numérique offrent une combinaison d'accès rapide et de haute sécurité, surpassant les serrures à clé ou à combinaison traditionnelles.

  • Sécurité multicouche : Un coffre-fort ne doit jamais constituer votre unique ligne de défense. Il s'agit d'un élément d'une stratégie de sécurité complète. Pour en savoir plus, consultez notre guide complet : Sécurité des métaux précieux à domicile : Le guide ultime 2026 pour le stockage de l'or et de l'argent.

Lors de l'achat d'un coffre-fort, vérifiez la présence de trous pré-percés et de la visserie fournie. Privilégiez cette fonctionnalité à 30 minutes supplémentaires de protection contre l'incendie. Un voleur muni d'un diable représente une menace bien plus importante qu'un incendie.

Si l'image saisissante d'un incendie dévastateur captive l'imagination, la réalité de la protection des actifs en 2026 met en lumière une autre priorité. Pour les investisseurs en métaux précieux, la menace omniprésente et corrosive de l'eau – qu'elle provienne d'une inondation ou des suites d'un incendie – est la préoccupation majeure. Protéger le métal de l'humidité permet de préserver non seulement son contenu, mais aussi son état, son emballage et ses certifications.

La réponse à la question coffre-fort ignifugé ou étanche est sans équivoque : optez pour les deux. La norme actuelle est un coffre-fort à double certification, solidement ancré à vos fondations. Cette solution offre une protection optimale contre les sinistres et constitue la pierre angulaire d'une stratégie sûre et efficace pour protéger vos précieux métaux durement acquis.

Nos Meilleures Sélections

SentrySafe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5 inches, HD4100
SentrySafe

SentrySafe Black Fireproof and Waterproof Safe, File Folder and Document Box with Key Lock, Ex. 14.3 x 15.5 x 13.5 inches, HD4100

FIREPROOF: Safe is UL Classified to endure 1/2 hour at 1550°F and keep interior temperatures safe for irreplaceable documents, valuables, DVDs, and USBs WATERPROOF: Safe box is ETL Verified for 72 hours of protection in water up to 8 inches deep offering peace of mind in the event of a flood COLOR: The fireproof file box has a black exterior finish KEYLOCK: Fireproof safe contains a flat key that prevents the lid from opening due to fire, includes 2 keys DOCUMENT SAFE: Important document organizer features built-in straps for easy storage of passports, social security cards, and birth certificates

Caractéristiques principales

  • FIREPROOF: Safe is UL Classified to endure 1/2 hour at 1550°F and keep interior temperatures safe for irreplaceable documents, valuables, DVDs, and USBs
  • WATERPROOF: Safe box is ETL Verified for 72 hours of protection in water up to 8 inches deep offering peace of mind in the event of a flood
  • COLOR: The fireproof file box has a black exterior finish
  • KEYLOCK: Fireproof safe contains a flat key that prevents the lid from opening due to fire, includes 2 keys

Spécifications

Colorblack
Size0.65 Cubic Feet
Unit Count1
$67.99
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EDMUED Fireproof Document Box with Combination Lock, Fireproof Water Resistant Hard Case Safe Box for Important Documents Certificates Laptop Passports
EDMUED

EDMUED Fireproof Document Box with Combination Lock, Fireproof Water Resistant Hard Case Safe Box for Important Documents Certificates Laptop Passports

UL-94 VTM-0 Certified Fireproof Document Box - The fireproof document box is constructed with 0.8mm premium fire-retardant, non-irritating silicone-coated fiberglass that resists fire and has passed UL-94 VTM-0 flammability testing Tamper-Proof Combination Lock & Secure Storage: Features tamper-proof 3-digit combination lock and reinforced seams, Enough big space to store your laptop documents, money, passport, U disk, pens, cards, certificates in a safe and orderly way. Durable Hard Shell Construction: This innovative fireproof document box combines fireproof materials with a rigid hard shell design, offering superior fire protection. keep valuable documents safe from damage. Large Capacity & Multi-Compartment Storage: With a size of 15.8 x 11.8 x 5.4 inches, this fireproof document box provides ample space. It features 12 accordion folders, 2 main mesh pockets, 16 card slots, 2 USB pockets, and 4 pen slots. All-Round Peace of Mind Protection: Go beyond basic fire safety. Our fireproof document box offers crucial additional defense against fire, water damage, and physical impact, safeguarding irreplaceable items.

Caractéristiques principales

  • UL-94 VTM-0 Certified Fireproof Document Box - The fireproof document box is constructed with 0.8mm premium fire-retardant, non-irritating silicone-coated fiberglass that resists fire and has passed UL-94 VTM-0 flammability testing
  • Tamper-Proof Combination Lock & Secure Storage: Features tamper-proof 3-digit combination lock and reinforced seams, Enough big space to store your laptop documents, money, passport, U disk, pens, cards, certificates in a safe and orderly way.
  • Durable Hard Shell Construction: This innovative fireproof document box combines fireproof materials with a rigid hard shell design, offering superior fire protection. keep valuable documents safe from damage.
  • Large Capacity & Multi-Compartment Storage: With a size of 15.8 x 11.8 x 5.4 inches, this fireproof document box provides ample space. It features 12 accordion folders, 2 main mesh pockets, 16 card slots, 2 USB pockets, and 4 pen slots.

Spécifications

ColorBlack
Size15.7"L x 11.8"W x 5.4"H
Unit Count1
$53.99
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SentrySafe Waterproof and Fireproof Alloy Steel Digital Safe Box for Home with Code Button Keypad, 1.23 Cubic Feet, 17.8 x 16.3 x 19.3 Inches (exterior), SFW123GDC
SentrySafe

SentrySafe Waterproof and Fireproof Alloy Steel Digital Safe Box for Home with Code Button Keypad, 1.23 Cubic Feet, 17.8 x 16.3 x 19.3 Inches (exterior), SFW123GDC

Fireproof safe is UL Classified to endure 1 hour at 1700°F and keep interior temperatures safe for irreplaceable documents, valuables, DVDs, and USBs; ETL Verified to withstand a 15 foot fall during a fire and remain closed Waterproof safe is ETL Verified for 24 hours of protection in water up to 8 inches deep offering peace of mind in the event of a flood Set your own digital combination fire safe with secondary locking key for strong security; digital combination safe features four live-locking bolts, steel construction, pry-resistant hinge bar, locking drawer, interior light, and bolt down hardware Exterior: 16.3 in. W x 19.3 in. D x 17.8 in. H; door requires 14.75 in. of clearance to fully open; Interior: 12.6 in. W x 11.9 in. D x 13.8 in. H; large 1.23 cubic foot capacity; weighs 86.69 pounds For optimal performance, SentrySafe recommends the use of four high-quality, name branded, alkaline AAA batteries with an expiration date of 8-10 years from the current year.

Caractéristiques principales

  • Fireproof safe is UL Classified to endure 1 hour at 1700°F and keep interior temperatures safe for irreplaceable documents, valuables, DVDs, and USBs; ETL Verified to withstand a 15 foot fall during a fire and remain closed
  • Waterproof safe is ETL Verified for 24 hours of protection in water up to 8 inches deep offering peace of mind in the event of a flood
  • Set your own digital combination fire safe with secondary locking key for strong security; digital combination safe features four live-locking bolts, steel construction, pry-resistant hinge bar, locking drawer, interior light, and bolt down hardware
  • Exterior: 16.3 in. W x 19.3 in. D x 17.8 in. H; door requires 14.75 in. of clearance to fully open; Interior: 12.6 in. W x 11.9 in. D x 13.8 in. H; large 1.23 cubic foot capacity; weighs 86.69 pounds

Spécifications

ColorGun Metal Gray
Size1.23 cu.ft.
Unit Count1
$243.94
Voir sur Amazon
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BlackSmith Home Biometric Safe 1.0 Cub - Fingerprint Recognition Box With Keys, Keypad Lock, LCD Display, Dual Alarm System - Wall Mount Cabinet for Jewelry and Valuables, Black
BlackSmith

BlackSmith Home Biometric Safe 1.0 Cub - Fingerprint Recognition Box With Keys, Keypad Lock, LCD Display, Dual Alarm System - Wall Mount Cabinet for Jewelry and Valuables, Black

Handle-style fingerprint unlock with a 160x160 pixel sensor and 508 DPI scanner. Enjoy quick access in just 0.1s by simply pressing your finger while holding the handle. Stores up to 50 fingerprints. 10-digit keypad with an LCD display provides multiple number combinations for enhanced security. 2 spare keys and a Type-C power supply ensure easy access to home safe box, even in emergencies. Dual alarm system deters unauthorized access. An alarm activated with continuous wrong fingerprint or password entries, or violent vibrations. Mute function provides better privacy. Pre-drilled holes allow for easy wall mounting. 16-gauge alloy steel for added strength. Features 2 solid steel lock bolts, pry-resistant concealed hinges, and a recessed door for enhanced protection against forced entry. Automatic LED light ensures easy access, even in the dark. Color: Black. Offers 1.0 cubic feet of storage space. External size: 9.84''H x 13.78''W x 9.84''D. Includes a removable shelf for organizing cash, passports and other valuables. Soft carpet inside to prevent scratching.

Caractéristiques principales

  • Handle-style fingerprint unlock with a 160x160 pixel sensor and 508 DPI scanner. Enjoy quick access in just 0.1s by simply pressing your finger while holding the handle. Stores up to 50 fingerprints.
  • 10-digit keypad with an LCD display provides multiple number combinations for enhanced security. 2 spare keys and a Type-C power supply ensure easy access to home safe box, even in emergencies.
  • Dual alarm system deters unauthorized access. An alarm activated with continuous wrong fingerprint or password entries, or violent vibrations. Mute function provides better privacy. Pre-drilled holes allow for easy wall mounting.
  • 16-gauge alloy steel for added strength. Features 2 solid steel lock bolts, pry-resistant concealed hinges, and a recessed door for enhanced protection against forced entry. Automatic LED light ensures easy access, even in the dark.

Spécifications

ColorBlack
Size1.0 Cubic Feet
Unit Count1
$65.99
Voir sur Amazon
Livraison gratuite disponible • Eligible Prime
Biometric Home Safe, Fingerprint Gun Safe Lock Box,Money Box for Jewelry Handgun Cash Valuables,Perfect for Home/Office/Hotel, Black, 1.7 Cubic Feet
VoleStay

Biometric Home Safe, Fingerprint Gun Safe Lock Box,Money Box for Jewelry Handgun Cash Valuables,Perfect for Home/Office/Hotel, Black, 1.7 Cubic Feet

✅【Instant Biometric / PIN Code and Key Access】This gun safe can hold up to 20 individual fingerprints which can be accessed within 1 second. A simple touch by a pre-programmed fingerprint is all it takes. The 10 digit keypad allows for millions code combinations versus 256 codes for 4 digit keypad safes. Instantly access your valuables, documents, and firearms after the door opens. ✅【Smart Capacity, Removable Handgun Rack】: This cabinet safe has 1.55 cubic feet, Product exterior size-13.75" x 13" x 16.5"(W*D*H). It gives you enough capacity for storing handguns, important documents, jewelry, and other valuables. We specailly designed a 5-position handgun rack. If you do not store pistols, you can remove it or cut it to fit less pistols.. Weight: 36.4 lbs. ✅【TOUGH AND RUGGED Steel Construction】 The portable cabinet safe is made of reinforced solid steel wall construction. Door:14 gauge.Wall: 16 gauge. It includes 3 live-door bolts(1 more locking bolt than other safes) and a new internal safety bracket for maximum protection against break-ins. The durable powder coating finish prevents corrosion and ensures long-term protection of your belongings for years to come. Pre-drilled holes and hardware are included for floor/wall mounting. ✅【QUICK ACCESS Biometric Gun Safe for Pistols】 Get QUICK ACCESS to your contents including valuables, documents, and firearms through the spring loaded access door. Get in quickly when it matters most using the biometric fingerprint scanner or the rapid backlit keypad. ✅【LED light and SILENT MODE】 You can also set it to silent mode. This is an important function when you have intruder at night or you want to use the safe without distubing others.

Caractéristiques principales

  • ✅【Instant Biometric / PIN Code and Key Access】This gun safe can hold up to 20 individual fingerprints which can be accessed within 1 second. A simple touch by a pre-programmed fingerprint is all it takes. The 10 digit keypad allows for millions code combinations versus 256 codes for 4 digit keypad safes. Instantly access your valuables, documents, and firearms after the door opens.
  • ✅【Smart Capacity, Removable Handgun Rack】: This cabinet safe has 1.55 cubic feet, Product exterior size-13.75" x 13" x 16.5"(W*D*H). It gives you enough capacity for storing handguns, important documents, jewelry, and other valuables. We specailly designed a 5-position handgun rack. If you do not store pistols, you can remove it or cut it to fit less pistols.. Weight: 36.4 lbs.
  • ✅【TOUGH AND RUGGED Steel Construction】 The portable cabinet safe is made of reinforced solid steel wall construction. Door:14 gauge.Wall: 16 gauge. It includes 3 live-door bolts(1 more locking bolt than other safes) and a new internal safety bracket for maximum protection against break-ins. The durable powder coating finish prevents corrosion and ensures long-term protection of your belongings for years to come. Pre-drilled holes and hardware are included for floor/wall mounting.
  • ✅【QUICK ACCESS Biometric Gun Safe for Pistols】 Get QUICK ACCESS to your contents including valuables, documents, and firearms through the spring loaded access door. Get in quickly when it matters most using the biometric fingerprint scanner or the rapid backlit keypad.

Spécifications

ColorMetal Black
Size16.5"D x 13.8"W x 13"H
Unit Count1
$139.00
Voir sur Amazon
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Billconch Smart Gun Safe for Multiple Pistols - Automatic Lock Safe Box with LCD Display/Voice Guide, Quick Access Unlock with Fingerprint/Keypad/Key/App, Biometric Handgun Safe for Money Valuables
BILLCONCH

Billconch Smart Gun Safe for Multiple Pistols - Automatic Lock Safe Box with LCD Display/Voice Guide, Quick Access Unlock with Fingerprint/Keypad/Key/App, Biometric Handgun Safe for Money Valuables

Unique Pistol Bracket Design: The gun safe features an innovative pistol bracket design, ensuring secure and organized storage for your handguns, protecting your children from accidental access. The support bar can be unscrewed and repositioned into a side hole of the bracket base to optimize space and convenience Automatic Locking Feature: The handgun safe automatically locks when the door is closed, provided the correct password or fingerprint is used. No additional knob is needed for locking 4 Fast Unlock Methods: Access the biometric gun safe quickly with fingerprint, PIN, app, or key. High-resolution fingerprint scanning unlocks the safe in 1 second, and numeric keys 0-9 enhance security. The app enables easy management of settings, passwords, and unlock records, offering flexible and rapid access for emergencies Additional Features: The pistol safe includes an LCD screen with a smart UI and voice guidance for easy setup and use. You can switch to silent mode if preferred. Built-in automatic LED lighting ensures easy access to valuables in the dark, allowing for quick retrieval in emergencies Versatile Storage and Robust Steel Structure: This fingerprint safe features a spacious design that securely holds up to 4 pistols, passports, and other valuables. It includes a removable shelf for efficient space usage. Constructed from high-tensile cold-rolled steel with a powder coating for corrosion resistance, it is suitable for living rooms, bedrooms, cloakrooms and officesThe flexible storage accommodates various handguns.

Caractéristiques principales

  • Unique Pistol Bracket Design: The gun safe features an innovative pistol bracket design, ensuring secure and organized storage for your handguns, protecting your children from accidental access. The support bar can be unscrewed and repositioned into a side hole of the bracket base to optimize space and convenience
  • Automatic Locking Feature: The handgun safe automatically locks when the door is closed, provided the correct password or fingerprint is used. No additional knob is needed for locking
  • 4 Fast Unlock Methods: Access the biometric gun safe quickly with fingerprint, PIN, app, or key. High-resolution fingerprint scanning unlocks the safe in 1 second, and numeric keys 0-9 enhance security. The app enables easy management of settings, passwords, and unlock records, offering flexible and rapid access for emergencies
  • Additional Features: The pistol safe includes an LCD screen with a smart UI and voice guidance for easy setup and use. You can switch to silent mode if preferred. Built-in automatic LED lighting ensures easy access to valuables in the dark, allowing for quick retrieval in emergencies

Spécifications

ColorBlack
Size0.8 cubic feet
Unit Count1
$129.99
Voir sur Amazon
Livraison gratuite disponible • Eligible Prime
Voncabay Money Safe Box for Home with Sensor Light & Fireproof Money Bag - 0.23 Cubic Feet Security Safe Box with Digital Keypad, Keys & Pass Code Lock, 9.05" W x 6.69" D x 6.69" H, Black
Voncabay

Voncabay Money Safe Box for Home with Sensor Light & Fireproof Money Bag - 0.23 Cubic Feet Security Safe Box with Digital Keypad, Keys & Pass Code Lock, 9.05" W x 6.69" D x 6.69" H, Black

[Security Safe Box with Intelligent Sensor Light]: Voncabay Small Safe Box for Home automatically turns on the light after you open the safety box by Using Keypad, soft light makes it easy for you to get the items you need without hurting your eyes and it will turn off after 30 seconds. Additionally, our numeric keypad of Security Safe Box will remind you whether the password is correct with an indicator light and remind you battery is about to run out by lighting up a red light. [Cash Safe Box & Fireproof Bag - Excellent Safety Performance]: Made of reinforced alloy steel, our Lock Box Fireproof Safe without holes has two enhanced steel bolts, pry-resistant concealed hinges and a tamper-proof doors, which provides physical protection against forced entry. It also comes with a Waterproof and Fireproof Document Bag which is perfect to protect your small valuables. The combination of Steel Safes and Fireproof Waterproof Bags can give your valuables a double protection. [Easy to Set Up]: Only 4 STEPS to set a password for the Fireproof Box. Step 1, Remove the Override Key Cover and use the Override Key to open the safe; Step 2, Remove battery compartment cover of lock safe box and install the 4 x "AA" batteries in the correct directions; Step 3, Press the reset button; Step 4, Enter the new password in 15 seconds and end with "E". Press "C" to clear entry if wrong digit is entered. Please keep override keys in a safe place outside the safe with keypad. [2 Ways to Unlock the Money Safe Box]: Voncabay Small Money Safe has 2 unlock ways: 1) insert the Emergency Backup Keys into the mini safe and turn left, then turn entry knob clockwise to open the personal safe box; 2) use the Numeric Keyboard to enter the password followed by "E", then turn the knob clockwise to open. Our security box offers Security Lockout System: if an incorrect password is entered three times in a row, the digital keypad will begin a five-minute security lockout period. [Smart Capacity Fireproof Safe Box ]: Exterior: 9 x 6.6 x 6.5 inches; Interior: 8.6 x 6.2 x 6.1 inches; Thickness of the latches are 0.6 inch. With only 0.23 Cubic Feet, our Mini Hidden Safe Box can be used as a hotel safe, a closet safe, a wall safe, a floor safe and a fireproof cash box, which can be placed in wardrobes, drawers, and bedside tables. Please Pay Attention to the Size of the Safe Before Purchasing.

Caractéristiques principales

  • [Security Safe Box with Intelligent Sensor Light]: Voncabay Small Safe Box for Home automatically turns on the light after you open the safety box by Using Keypad, soft light makes it easy for you to get the items you need without hurting your eyes and it will turn off after 30 seconds. Additionally, our numeric keypad of Security Safe Box will remind you whether the password is correct with an indicator light and remind you battery is about to run out by lighting up a red light.
  • [Cash Safe Box & Fireproof Bag - Excellent Safety Performance]: Made of reinforced alloy steel, our Lock Box Fireproof Safe without holes has two enhanced steel bolts, pry-resistant concealed hinges and a tamper-proof doors, which provides physical protection against forced entry. It also comes with a Waterproof and Fireproof Document Bag which is perfect to protect your small valuables. The combination of Steel Safes and Fireproof Waterproof Bags can give your valuables a double protection.
  • [Easy to Set Up]: Only 4 STEPS to set a password for the Fireproof Box. Step 1, Remove the Override Key Cover and use the Override Key to open the safe; Step 2, Remove battery compartment cover of lock safe box and install the 4 x "AA" batteries in the correct directions; Step 3, Press the reset button; Step 4, Enter the new password in 15 seconds and end with "E". Press "C" to clear entry if wrong digit is entered. Please keep override keys in a safe place outside the safe with keypad.
  • [2 Ways to Unlock the Money Safe Box]: Voncabay Small Money Safe has 2 unlock ways: 1) insert the Emergency Backup Keys into the mini safe and turn left, then turn entry knob clockwise to open the personal safe box; 2) use the Numeric Keyboard to enter the password followed by "E", then turn the knob clockwise to open. Our security box offers Security Lockout System: if an incorrect password is entered three times in a row, the digital keypad will begin a five-minute security lockout period.

Spécifications

ColorBlack
Size0.23 Cubic Feet
Unit Count1
$33.99
Voir sur Amazon
Livraison gratuite disponible • Eligible Prime
[UPGRADED] Small Safe Box for Home, 0.30 Cuft Mini Safes with Fireproof Waterproof Bag, Digital Money Safe with Programmable Keypad Spare Keys, Security Cash Box for Money Valuables
FOWORE

[UPGRADED] Small Safe Box for Home, 0.30 Cuft Mini Safes with Fireproof Waterproof Bag, Digital Money Safe with Programmable Keypad Spare Keys, Security Cash Box for Money Valuables

【LIGHT-DUTY & SMALL SAFE】This is not a heavy duty safe! It is the perfect size for personal use, but will not hold large items such as thick binders or multiple books. Tips: Please check the product size of this safe box before purchase. 【COMPACT DESIGN & BUILT QUALITY】 This Money safe has a small and compact design, although there are no shelf inside, there is still enough space to store small personal items. The Cash box has a sturdy steel construction and feels solid and secure in the hand. The 2 x 20mm sturdy locking bolts and thicker 42mm door provide a measure of security for your valuables. 【HIDDEN HOME SAFE WITH MOUNTING DESIGN】The solid black matte design allows it to be easily hidden in your home. There are two pre-drilled holes on the back and bottom of the combination safe, which can help you fix the safe in an inconspicuous place such as a closet/cabinet, effectively stopping others from accessing your valuables. 【UPGRADED ERGONOMIC KEYPAD WITH 3 WAYS OF ACCESS】 This personal safe comes with a larger and more sensitive numeric keypad for easy and secure access. The digital safe is also equipped with a spare key lock for emergencies; if you can't find the key/batteries run out, simply plug in the external battery compartment. 【SECURITY SAFE BOX WITH FIREPROOF BAG】The SMALL safe measures 10.63" W x 6.69" D x 6.69" H on the outside and it has a capacity of 0.3 cubic feet, making it perfect for storing small valuables such as cash, jewelry, passports, and a few documents. However, if you need more space or plan to store larger items, this safe may not be a good fit. The SMALL Fireproof Bag provides you with double protection. 【SMART ALARM & SILENT MODE】If you enter the wrong combination three times in a row, the safe box for money will automatically lock and sound an alarm. Press and hold the * key and then press the 8 key to turn the buzzer on/off, so you don't have to worry about the alarm sound of the SMALL safes for home disturbing others. 【LED SENSOR LIGHT & BACKUP KEY SERVICE】 When you open your MINI safe, the light on the inside of the door will automatically come on, making it easy for you to get to what you need. If you lose the key, you can get a new backup key for based on the unique lock hole serial number.

Caractéristiques principales

  • 【LIGHT-DUTY & SMALL SAFE】This is not a heavy duty safe! It is the perfect size for personal use, but will not hold large items such as thick binders or multiple books. Tips: Please check the product size of this safe box before purchase.
  • 【COMPACT DESIGN & BUILT QUALITY】 This Money safe has a small and compact design, although there are no shelf inside, there is still enough space to store small personal items. The Cash box has a sturdy steel construction and feels solid and secure in the hand. The 2 x 20mm sturdy locking bolts and thicker 42mm door provide a measure of security for your valuables.
  • 【HIDDEN HOME SAFE WITH MOUNTING DESIGN】The solid black matte design allows it to be easily hidden in your home. There are two pre-drilled holes on the back and bottom of the combination safe, which can help you fix the safe in an inconspicuous place such as a closet/cabinet, effectively stopping others from accessing your valuables.
  • 【UPGRADED ERGONOMIC KEYPAD WITH 3 WAYS OF ACCESS】 This personal safe comes with a larger and more sensitive numeric keypad for easy and secure access. The digital safe is also equipped with a spare key lock for emergencies; if you can't find the key/batteries run out, simply plug in the external battery compartment.

Spécifications

ColorBlack
Size0.30 Cuft
Unit Count1
$38.99
Voir sur Amazon
Livraison gratuite disponible • Eligible Prime

Foire aux Questions

Un incendie domestique peut-il réellement faire fondre mes lingots d'or à l'intérieur d'un coffre-fort ?
C'est extrêmement improbable. L'or fond à 1 065 °C et l'argent à 1 000 °C. La plupart des incendies domestiques n'atteignent pas des températures suffisamment élevées pour cela, et un coffre-fort ignifugé est conçu pour maintenir la température interne bien en dessous de ces seuils, généralement en dessous de 177 °C.
Un coffre-fort étanche est-il également totalement résistant aux inondations ?
Pas nécessairement. Vérifiez la certification ETL. Un coffre-fort étanche à 20 cm d'eau pendant 24 heures est idéal pour lutter contre les incendies ou les petites fuites au sous-sol, mais il serait inefficace si votre maison était submergée sous plusieurs mètres d'eau. La certification précise la profondeur et la durée exactes pour lesquelles le coffre-fort est étanche.
Pour les lingots, qu'est-ce qui est le plus important : la résistance au feu et à l'eau ou la résistance au cambriolage (comme une TL-15) ?
Un indice de résistance à l'effraction (comme TL-15, qui signifie qu'il résiste aux attaques à l'outil pendant 15 minutes) est conçu pour dissuader les cambrioleurs déterminés et est bien plus important pour les collections de grande valeur. Les indices de résistance aux intempéries protègent contre les catastrophes naturelles. Pour la plupart des investisseurs, un coffre-fort domestique de qualité, certifié doublement, bien dissimulé et solidement fixé, offre le meilleur compromis entre protection et résistance aux effractions.
Quel est le meilleur endroit pour installer un coffre-fort afin de minimiser les risques d'incendie et d'infiltration d'eau ?
Une dalle de béton au rez-de-chaussée de votre maison est souvent la solution idéale. Elle offre une surface d'ancrage solide et est moins sujette aux inondations qu'un sous-sol. La placer dans un angle, entourée de deux murs extérieurs, peut également offrir une protection légèrement supérieure en cas d'incendie.
Pourquoi l'argent est-il plus vulnérable à l'eau que l'or ?
L'or est un métal très noble, c'est-à-dire chimiquement inerte et inaltérable. L'argent, bien que précieux lui aussi, réagit au soufre et à l'humidité de l'air. Cette réaction crée du sulfure d'argent, responsable du ternissement. Après un incendie, dans un environnement humide et chargé de produits chimiques, ce processus peut s'accélérer considérablement et causer des dommages permanents.
Coffre-fort ignifuge ou étanche pour l'or : ce qui compte le plus en 2026