{"product_id":"hollon-b3500-b-rated-in-floor-foundation-safe","title":"Hollon B3500 B-Rated In-Floor Foundation Safe","description":"\u003c!-- SHOPIFY METAFIELD DATA \u0026 PAGE ATTRIBUTES --\u003e\n\u003c!--\nTitle: Hollon B3500 B-Rated In-Floor Foundation Safe | Garage Tools Storage\nMeta Description: Secure your valuables with the Hollon B3500 B-Rated Floor Safe. Features 1\/2\" solid steel door, UL Listed S\u0026G Group 2 dial lock, drill-resistant hardplate, and air-spring door assist. Shop Garage Tools Storage!\nTags: B3500, B 3500, Hollon B3500, Hollon Safe, Floor Safe, In Floor Safe, Foundation Safe, B Rated Safe, Burglary Safe, Dial Combination Safe, Underfloor Safe, Concealed Safe, Garage Tools Storage\nURL Handle: hollon-b3500-b-rated-in-floor-foundation-safe\n--\u003e\n\n\u003c!-- PRODUCT DESCRIPTION BODY (COPY \u0026 PASTE INTO SHOPIFY HTML EDITOR) --\u003e\n\u003cdiv class=\"product-description-container\"\u003e\n\n    \u003c!-- OVERVIEW SECTION --\u003e\n    \u003csection class=\"product-overview\"\u003e\n        \u003ch2\u003eHollon B3500 B-Rated In-Floor Foundation Safe\u003c\/h2\u003e\n        \u003cp\u003e\n            The \u003cstrong\u003eHollon B3500 Floor Safe\u003c\/strong\u003e represents the largest capacity model in the B-rated floor safe lineup, engineered specifically for concrete foundation installation in residential garages, basements, and commercial facilities. Offering maximum depth and volume, this heavy-duty concealed vault provides high-level \u003cstrong\u003eB-Rating burglary defense\u003c\/strong\u003e while mounting flush into concrete floors to remain completely hidden from view beneath mats or floor coverings.\n        \u003c\/p\u003e\n        \u003cp\u003e\n            Constructed to withstand intense physical intrusion and drilling, the B3500 features a massive \u003cstrong\u003e1\/2\" thick solid steel door\u003c\/strong\u003e, a drill-resistant hardplate protecting the lock, and a full-length dead bar along the hinge side. Lockout security is anchored by a commercial-grade \u003cstrong\u003eUL Listed Sargent \u0026amp; Greenleaf (S\u0026amp;G) Group 2 combination dial lock\u003c\/strong\u003e, backed by an external relocker and a spring-loaded internal relocking device that secures the vault during forced entry attempts. Equipped with 5 solid steel locking bolts, a durable powder-coated finish, and an \u003cstrong\u003eair-spring bar hydraulic door assist\u003c\/strong\u003e for effortless lifting, the B3500 provides high-capacity, hidden protection for high-value assets.\n        \u003c\/p\u003e\n    \u003c\/section\u003e\n\n    \u003chr\u003e\n\n    \u003c!-- KEY FEATURES BULLETS --\u003e\n    \u003csection class=\"product-features\"\u003e\n        \u003ch3\u003eKey Security \u0026amp; Design Features\u003c\/h3\u003e\n        \u003cul\u003e\n            \u003cli\u003e\n\u003cstrong\u003eMaximum Capacity In-Floor Design:\u003c\/strong\u003e Designed for direct encasement in concrete foundations, delivering the largest storage volume in the B-rated series while keeping contents fully concealed.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003e1\/2\" Solid Steel Door:\u003c\/strong\u003e Precision-engineered solid steel door plate offers robust defense against impact, prying, and heavy tools.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eUL Listed S\u0026amp;G Group 2 Dial Lock:\u003c\/strong\u003e Premium Sargent \u0026amp; Greenleaf mechanical dial lock engineered for extreme precision and commercial burglary security.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eDual Relocking Defense System:\u003c\/strong\u003e Features an external relocker combined with an internal spring-loaded relocking mechanism that locks down boltwork if the lock is tampered with or struck.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eDrill-Resistant Hardplate:\u003c\/strong\u003e High-strength hardened steel plate guards the core lock mechanism against drill attacks.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003e5 Solid Steel Locking Bolts \u0026amp; Full Dead Bar:\u003c\/strong\u003e Solid 5-bolt system paired with a full-length hinge dead bar ensures total door retention even if external hinges are cut.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eAir-Spring Door Assist:\u003c\/strong\u003e Heavy-duty hydraulic air-spring bar allows smooth, effortless opening and holds the heavy steel door open during use.\u003c\/li\u003e\n            \u003cli\u003e\n\u003cstrong\u003eDurable Powder-Coated Finish:\u003c\/strong\u003e Premium powder coating guards the outer and inner surfaces against moisture and ambient wear when embedded in concrete.\u003c\/li\u003e\n        \u003c\/ul\u003e\n    \u003c\/section\u003e\n\n    \u003chr\u003e\n\n    \u003c!-- TECHNICAL SPECIFICATIONS TABLE --\u003e\n    \u003csection class=\"product-specs\"\u003e\n        \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n        \u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left;\"\u003e\n            \u003ctbody\u003e\n                \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eB3500\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eHollon Safe\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSafe Type\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eIn-Floor Foundation Safe \/ High-Capacity Concealed Safe\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBurglary Rating\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eB-Rating\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDoor Construction\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1\/2\" Thick Solid Steel Door\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eLock Type\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eUL Listed S\u0026amp;G Group 2 Dial Combination Lock\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eLocking System\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e(5) Solid Steel Locking Bolts + Full Length Dead Bar\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRelocker Protection\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eSpring-Loaded Internal Relocking Device \u0026amp; External Relocker\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eLock Protection\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDrill-Resistant Hardplate\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDoor Assist\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAir-Spring Bar for easy, smooth lifting\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eExterior Finish\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePowder Coated for Durable Protection\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eExterior Dimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e18\" x 13-1\/2\" x 23-1\/2\"\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background-color: #f8f9fa;\"\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eInterior Dimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e16-1\/2\" x 13\" x 23\"\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e140 lbs\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/section\u003e\n\n    \u003chr\u003e\n\n    \u003c!-- FREQUENTLY ASKED QUESTIONS (SEO \/ AIO OPTIMIZED) --\u003e\n    \u003csection class=\"product-faq\"\u003e\n        \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n        \n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch4\u003eHow is the Hollon B3500 floor safe installed?\u003c\/h4\u003e\n            \u003cp\u003eThe Hollon B3500 is designed to be set directly into a concrete slab or foundation floor. A hole is prepared in the foundation, the safe body is positioned flush with the top level, and concrete is poured around all sides to permanently anchor it into the structure.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch4\u003eHow does the Hollon B3500 compare in size to the B2500?\u003c\/h4\u003e\n            \u003cp\u003eThe \u003cstrong\u003eHollon B3500 provides substantially greater storage volume\u003c\/strong\u003e, featuring exterior dimensions of 18\" H x 13-1\/2\" W x 23-1\/2\" D and an interior measuring 16-1\/2\" H x 13\" W x 23\" D. It weighs 140 lbs compared to the 93 lb B2500, making it ideal for holding larger cash trays, handguns, bullion, and multiple document files.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch4\u003eIs the Hollon B3500 safe fireproof?\u003c\/h4\u003e\n            \u003cp\u003eWhile B-rated floor safes focus on heavy physical burglary protection, embedding the steel body inside a solid concrete foundation delivers natural high-level thermal insulation against fire heat.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch4\u003eWhat type of lock comes standard on the B3500?\u003c\/h4\u003e\n            \u003cp\u003eThe B3500 features a commercial-grade \u003cstrong\u003eUL Listed Sargent \u0026amp; Greenleaf (S\u0026amp;G) Group 2 dial combination lock\u003c\/strong\u003e guarded by a drill-resistant hardplate and dual relockers.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch4\u003eHow heavy is the door on the B3500 and is it difficult to open?\u003c\/h4\u003e\n            \u003cp\u003eDespite having a solid 1\/2\" steel door plate, opening the safe is easy thanks to the integrated \u003cstrong\u003eair-spring bar\u003c\/strong\u003e hydraulic lift assist, which absorbs the weight and keeps the door propped open smoothly.\u003c\/p\u003e\n        \u003c\/div\u003e\n\n        \u003cdiv class=\"faq-item\"\u003e\n            \u003ch4\u003eWhat are the exterior and interior dimensions of the B3500?\u003c\/h4\u003e\n            \u003cp\u003eThe exterior dimensions are \u003cstrong\u003e18\" H x 13-1\/2\" W x 23-1\/2\" D\u003c\/strong\u003e, interior dimensions are \u003cstrong\u003e16-1\/2\" H x 13\" W x 23\" D\u003c\/strong\u003e, and the total weight is \u003cstrong\u003e140 lbs\u003c\/strong\u003e.\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/section\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- JSON-LD STRUCTURED DATA FOR SEARCH ENGINES \u0026 AI ASSISTANTS --\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"Hollon B3500 B-Rated In-Floor Foundation Safe\",\n  \"image\": [\n    \"B3500.jpg\"\n  ],\n  \"description\": \"The Hollon B3500 is a large capacity B-rated in-floor foundation safe featuring a 1\/2 inch solid steel door, UL Listed S\u0026G Group 2 combination lock, 5 locking bolts, full dead bar, drill-resistant hardplate, and air-spring door assist. Weighs 140 lbs.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"Hollon Safe\"\n  },\n  \"sku\": \"B3500\",\n  \"mpn\": \"B3500\",\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/garagetoolsstorage.com\/products\/hollon-b3500-b-rated-in-floor-foundation-safe\",\n    \"priceCurrency\": \"USD\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\n      \"@type\": \"Organization\",\n      \"name\": \"Garage Tools Storage\"\n    }\n  }\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How is the Hollon B3500 floor safe installed?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Hollon B3500 is designed to be encased directly in a concrete floor foundation or concrete slab.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does the Hollon B3500 compare in size to the B2500?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The B3500 offers significantly larger dimensions (18\\\" H x 13-1\/2\\\" W x 23-1\/2\\\" D) and weighs 140 lbs compared to the 93 lb B2500.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What are the dimensions and weight of the Hollon B3500?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Exterior dimensions are 18\\\" H x 13-1\/2\\\" W x 23-1\/2\\\" D, interior dimensions are 16-1\/2\\\" H x 13\\\" W x 23\\\" D, and weight is 140 lbs.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"Hollon Safe Company","offers":[{"title":"Default Title","offer_id":55606838559011,"sku":"B3500","price":946.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1776\/3899\/files\/B3500_Edited__500_x_500_1372063138_7724.jpg?v=1789620789","url":"https:\/\/www.garagetoolsstorage.com\/products\/hollon-b3500-b-rated-in-floor-foundation-safe","provider":"Garage Tools Storage","version":"1.0","type":"link"}