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Joined: Mar 2011
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Campfire Outfitter
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Campfire Outfitter
Joined: Mar 2011
Posts: 8,203 |
For extra under floor support in a crawl space, what I probably would look into first is one or maybe two simple adjustable screw floor jacks in the appropriate length for the height of the crawl space. They are relatively inexpensive, available in assorted adjustment heights, and can be found at just about any home supply store such as Lowe's, Home Depot, etc. Installed they would look something like this except with just one or two jacks: ![[Linked Image]](https://oldhousecrazy.files.wordpress.com/2012/01/old-house-crazy-lifting-up-a-sagging-floor-diy-12.jpg) ^^^^^ huh well ya,... if you want to do it right the first time!... <G>
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Joined: Apr 2010
Posts: 10,810
Campfire Outfitter
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Campfire Outfitter
Joined: Apr 2010
Posts: 10,810 |
462 is the weight of the empty safe if I am reading this right. Filled it would weigh considerably more.
More than a full refrigerator?
If the safe is going near an exterior wall or a bearing beam under the floor you will be ok. If it ends up mid-span in an area where the floor joists are barely meeting code... not ok.
Look at your floor framing under where you will be putting the safe and see what you have. It wouldn't be that big of a deal to shore that area if required. 260 lbs more filled Put it near the sill/foundation and it will sit there forever
Maker of the Frankenstud Sling Keeper
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Joined: Apr 2005
Posts: 13,756
Campfire Outfitter
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Campfire Outfitter
Joined: Apr 2005
Posts: 13,756 |
For extra under floor support in a crawl space, what I probably would look into first is one or maybe two simple adjustable screw floor jacks in the appropriate length for the height of the crawl space. They are relatively inexpensive, available in assorted adjustment heights, and can be found at just about any home supply store such as Lowe's, Home Depot, etc. Installed they would look something like this except with just one or two jacks: ^^^^^ huh well ya,... if you want to do it right the first time!... <G> Don't think you'll need it, but this is quick, easy, and cheap.
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Joined: Jan 2005
Posts: 10,718
Campfire Outfitter
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Campfire Outfitter
Joined: Jan 2005
Posts: 10,718 |
My safe is on an outside wall, but I had to roll it across the middle of the house to get there. It's 1800lbs empty, and at least a ton full. 1800 pounds empty, how big a safe IS that? The largest model that Fort Knox made 15yrs ago............like the Yeager model but w/o the autographed biography. I'd buy second safe, but it'd have to park next to the first one. That'd start to become real weight.
Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery.
--Winston Churchill
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Joined: Jan 2003
Posts: 5,202
Campfire Tracker
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Campfire Tracker
Joined: Jan 2003
Posts: 5,202 |
![[Linked Image]](https://i.imgflip.com/1lsjpn.jpg) [/url] More info about crawl space needed. Assuming this is attic crawl space? Any why locate in crawl space? Limited square footage? Agree 462lbs isn't much. You seem confused.
One shot, one kill........ It saves a lot of ammo!
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Joined: Oct 2002
Posts: 96,121
Campfire Oracle
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Campfire Oracle
Joined: Oct 2002
Posts: 96,121 |
[/url] More info about crawl space needed. Assuming this is attic crawl space? Any why locate in crawl space? Limited square footage? Agree 462lbs isn't much. What?
"Dear Lord, save me from Your followers"
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Joined: May 2004
Posts: 2,816
Campfire Regular
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Campfire Regular
Joined: May 2004
Posts: 2,816 |
If the crawlspace is a dirt floor, make sure you have a vapor barrier down to keep the safe from moisture damage. Only here can a guy ask about a safe sitting in a room and get advice on a vapor barrier. Damn, we have a difficult time staying on task.
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Joined: Jan 2006
Posts: 69,249
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2006
Posts: 69,249 |
If the crawlspace is a dirt floor, make sure you have a vapor barrier down to keep the safe from moisture damage. Only here can a guy ask about a safe sitting in a room and get advice on a vapor barrier. Damn, we have a difficult time staying on task. Want to get going on how a vapor barrier helps prevent radon from getting in the house? Does radon corrode guns? 
“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell
It's not over when you lose. It's over when you quit.
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Joined: Jan 2001
Posts: 21,317
Campfire Ranger
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Campfire Ranger
Joined: Jan 2001
Posts: 21,317 |
Assuming the crawl space is unheated, it would not be my first choice for locating a gun safe. I'd be concerned that there would be a significant risk of condensation and corrosion.
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Joined: Jan 2005
Posts: 57,474
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2005
Posts: 57,474 |
I could be wrong, but its not going in the crawl space but above it, question is floor strong enough for weight since its not slab on grade....
We can keep Larry Root and all his idiotic blabber and user names on here, but we can't get Ralph back..... Whiskey Tango Foxtrot, over....
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Joined: Oct 2002
Posts: 96,121
Campfire Oracle
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Campfire Oracle
Joined: Oct 2002
Posts: 96,121 |
Exactly, just like my house. It doesn't sit on a slab.
"Dear Lord, save me from Your followers"
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Joined: Mar 2008
Posts: 15,289
Campfire Ranger
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Campfire Ranger
Joined: Mar 2008
Posts: 15,289 |
I could be wrong, but its not going in the crawl space but above it, question is floor strong enough for weight since its not slab on grade.... I may be missing something, but he clearly says he is putting the safe IN the crawlspace, which seems might strange to me, maybe I'm wrong.
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Joined: Jan 2006
Posts: 69,249
Campfire Kahuna
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Campfire Kahuna
Joined: Jan 2006
Posts: 69,249 |
That is what it said but it gets clarified later.
“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell
It's not over when you lose. It's over when you quit.
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Joined: Jul 2011
Posts: 3,249
Campfire Tracker
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Campfire Tracker
Joined: Jul 2011
Posts: 3,249 |
Metal adjustable jacks on cement pads over a poly vapor barrier are ideal. Leave a little space between the plastic and the block or brick curtainwall to minimize condensation under the poly. Do not introduce any new wood under your house. Wood jacks would be an open invitation to termites. Check the crawlspace annually,those little buggers will climb up anything to get to your floorboards. Look for mud tunnels.
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