Repair help for the do-it-yourselfer.
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Posts: 1
Joined: Sat Jan 04, 2020 12:35 am

Tue Jan 21, 2020 2:00 am

have 14 x 70 mobile home and want to put 7/16 osb down with tpo on top with a 6 inch hang over and 2x4s for fascia beveled and screwed on then stainlss steel nails for fascia ,screws on osb to rafters and termination bars . Its a low slope tin roof with coating on it with rafters 16 apart. I was thinking about adding some 1x3 or 1x4s down middle and where the osb will connect the 2 sheets length wise but not on edges or frame. How do I determin if it can handle the weight with no peoblems? thanks

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Posts: 5673
Joined: Wed Feb 28, 2007 8:01 pm
Location: Weedsport, NY

Tue Jan 21, 2020 5:59 pm

I am having a problem figuring out your project. Are you going over the whole roof with OSB?
If you are doing a roof over with steel, You are making more work. I screwed down my purlins and screwed new steel to them. I added 12" on each side. Then I made 2x4x8 boxes to attach the roof panels & soffit screwed to the wall studs to give me the overhang and ventilation.
there is a picture of what I did on our's here viewtopic.php?f=6&t=11396&p=59051&hilit=soffit#p59051

There should be HUD sticker possibly by the breaker box that gives the roof rating Pounds per sq/ft.

"If I can't fix it, I can screw it up so bad no one else can either."

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