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Posted: 2/14/2026 9:00:56 PM EDT
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I’ve seen people say a typical house will hold 1,000 pounds easy. I’ve seen people say if you exceed 50psf resting load it will fall through the floor eventually. House was built in the late 70’s. Looking to put it in the bedroom against the exterior wall. It would be about 8 feet from the garage support beam over the main support joist. The safe I’m looking at is 640 pounds, probably close to 1k once filled up. I can’t imagine it would be an issue as the kitchen appliances probably weigh twice that combined on the opposite side. Or should I keep my current setup and buy a 2nd to supplement it in another room and play it “safe”. 
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I have an 800 lb. Browning in my closet upstairs with probably another 100 lbs. of gear in it. It hasn't left any deformation on the floor, and since it is on carpet, I can actually slide it around (With Some Difficulty!) by myself. There is barely a mark on the carpet where it had been resting. It has been in the same spot for 20 years now. Try and imagine 3-4 200 lb. adults in a group hug. Would they fall through the floor where your safe will be? I doubt it. |
You can lead a liberal to knowledge, but you can't make him think.
| Have you not seen the size of people lately? It is not uncommon to have a couple that weighs 800lb both on a bed that weighs another 100lb or so, bouncing up and down making whoopie. You don't hear stories about fat fucks breaking through floors. Your gun safe will be fine. |
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Originally Posted By draver: I have an 800 lb. Browning in my closet upstairs with probably another 100 lbs. of gear in it. It hasn't left any deformation on the floor, and since it is on carpet, I can actually slide it around (With Some Difficulty!) by myself. There is barely a mark on the carpet where it had been resting. It has been in the same spot for 20 years now. Try and imagine 3-4 200 lb. adults in a group hug. Would they fall through the floor where your safe will be? I doubt it. Yeah that’s my thought as well but Google results (including from here) discourage it. The main support is a 6x6 iron i-beam with joists every foot and a half so I think support wise I’m good. A normal bed with two people in it is probably putting down more PSI on the flooring than a safe will. Not to mention a full refrigerator is probably pushing the same weight with multiple other heavy appliances feet away. |
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I had an 800lb safe in an apartment in the corner of a 14x20 living / dining room with the beams running the 14' span. Wood beams sitting on concrete walls covered in oak flooring. It was loaded to the max with rifles and pistols. I would guess over 1k when loaded. Floor never creaked, never sagged or look any different even after 8 years. I shimed the safe when I brought it in so the door was neutral and didnt swing on its own. 8 years later it was still neutral... When I moved out, there wasnt even a scratch in the hardwood floor where it sat. A fully loaded refrigerator is several hundred pounds sitting on 4 wheels (or feet), putting all the weight on about 6-10 sq inches... An average gun safe is a flat bottom dispersing the weight over probably 500-800 sq inches of floor and probably spanning two maybe three beams. Add in the flooring and sub floor and that load is being spread over at least three of four beams. You wont have any issues with the floor. The place you want to be careful is on the stairs. You may need to put a support under the center of the stringers depending on the size and length of them. |
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