Hayman Floor Safe Body Only - FS4000B
Do you have a Hayman floor safe door and just need the body? Check out the FS4000B Body which is the largest size in the Polyethylene Floor Safe Series. This patented body is both rustproof and leak resistant. It provides features many other brands do not have inside such as storage shelves, a filing system and a false floor. Other great features include a steel cover plate to make this safe flush with your floor and a carpeted floor interior.
Not sure if your door will fit this safe? Please give us a call at 800-207-2259. We can tell you if your door will fit on the Hayman FS4000B Polyethylene Body.
Features
What our Experts Think
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Top-tier concealed security
Installed below floor level, this safe body stays completely hidden—making it one of the most effective defenses against opportunistic theft.
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Advanced polyethylene construction
Unlike traditional steel bodies, the patented design is rustproof, leak-resistant, and moisture-free, ensuring long-term durability even in concrete installations.
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Built for real-world conditions
Naturally protected from fire (heat rises away from floor safes) and engineered to resist water seepage—ideal for safeguarding cash, documents, and valuables.
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Maximum internal organization
Includes shelves, filing system, and false floor, giving it superior storage flexibility compared to standard floor safes.
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Heavy-duty reinforced structure
Features a thick steel collar and frame system designed to securely integrate with concrete, adding structural strength and tamper resistance.
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Designed for compatibility & upgrades
Made to pair with Hayman interchangeable doors—ideal if you already own a door or plan future upgrades.
Q&A
Q: What is the Hayman FS4000B Floor Safe Body Only?
A: It is a high-capacity in-floor safe body designed for use with compatible Hayman interchangeable doors, offering hidden, secure storage beneath concrete floors.
Q: Who should buy the FS4000B body-only safe?
A: Ideal for users who already own a Hayman safe door and need a replacement or upgraded safe body without purchasing a full unit.
Q: What makes this floor safe unique?
A: It features a patented polyethylene body that is rustproof, waterproof, and leak-resistant, ensuring long-term durability in underground installations.
Q: Does the FS4000B provide fire and burglary protection?
A: Yes, it is designed to protect valuables from fire, burglary, and ground seepage, especially when paired with a Hayman security door.
Q: What storage features are included?
A: The safe includes built-in shelves, a vertical filing system, a false floor, and carpeted interior for organized storage of documents and valuables.
Maintenance Tips
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Keep Interior Dry: Although the polyethylene body is rustproof and leak-resistant, always store valuables in waterproof pouches to prevent moisture damage.
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Regular Cleaning: Wipe the carpeted interior and shelves periodically to prevent dust buildup and maintain organization.
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Inspect Seal & Cover Plate: Check the steel cover plate and surrounding concrete seal to ensure no water seepage or debris entry.
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Avoid Overloading: Distribute weight evenly across shelves and false floor to preserve structural integrity and usability.
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Check Fit Compatibility: Ensure the door and body alignment remains secure, especially if using interchangeable Hayman doors.
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Protect During Floor Cleaning: Avoid excessive water exposure around the safe opening area to maintain long-term durability.
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Periodic Inspection: Examine for cracks, shifting, or installation issues in concrete to maintain maximum security and waterproof performance
Damage 
Loss 
Theft 
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