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Old 02-20-2015, 04:45 PM   #1
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Mobile home attic


Ever wonder what the attic is made out of? Kinda makes me want to bulldoze and stick build.
The inside of the attic or original roof is quite interesting. The two sides of the mobile home are joined at a marriage wall. That wall is 28 inches high 1 1/2" thick..combined 3" thick. See the photo. Okay so it is late 70s early 80s. NO leaks, still standing, moved twice as far as we know. We are the 2nd owners.

Now we know why 1/4 inch is recommended. light weight!!

Anyone ever redo a ceiling in a mobile home?
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Old 02-20-2015, 07:50 PM   #2
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So what is it your trying to redo?
In your area there should be R-50 of insulation in that attic, blown in would be far better then those batts.
Should be a vapor then use 1/2 light weight sheetrock.
Always interesting working on most mobile homes, particle board subfloors, 1X's or 2 X 2's for studs, Quest plumbing. R-3 insulation in the walls, 3/8" sheathing on the roof.
Not all of them are like that.
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Old 02-20-2015, 10:33 PM   #3
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Thanks Joe. We are adding more Insulation. I will check the r value. We are replacing the ceiling in the kitchen remodel. Adding different lights and wiring.

I was told to use 1/4 drywall. You had good luck with 1/2 lightweight?
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Old 02-22-2015, 08:24 AM   #4
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Vapor barrier done. R 30 used. Drywall will be next.
Is there a good way to prevent drywall cracks?
Use tape and mud... over time want ti avoid drywall shifts and cracks.

Last edited by Bigbluefrog; 02-22-2015 at 08:44 AM.
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Old 03-01-2015, 07:20 AM   #5
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Butt joints not on the truss or wall frame. Locate them between the frame and use 3/4 ply nailers.
Using corner trims to cover sheetrock joints.
Tight cracks can be filled with a caulk, skim with a trowel, edge feathered with finger, then paint. 3/4 nap rollers leave rougher surface, but easier to blend in. Not every repair wants tape/compound repair.
1/4" sheetrock will become wavy. I'd just use 1/2" sheetrock, as long as the frame spacing is 16" or so. Stiffening the existing truss, mid room, with 1/2" ply scraps will help. Taking away from truss can be problem, but I don't see anything wrong with adding to truss in this case.

edit: Looking at photo again, looks like 1/2-3/4 ply strongback to tie the truss together would help more than truss braces.

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Old 03-04-2015, 08:35 AM   #6
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Wow you might of lost me on the truss brace.
We did use 1/2 lightweight. It is only 4 pounds heavier than 1/4 drywall according to our Menards guy. My dh used furring strips every 12 inches to help support drywall. Is a Strongback the same as a furring strip?
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Old 03-04-2015, 08:35 AM   #7
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Thanks for your information. We like to do it right the first time.
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