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Youngblood72 05-15-2010 11:12 AM

Erecting garage walls
I resently poured a slab for a 28x30 garage. My forms swelled out abit in the middle (both sides 1/4" and the back and front close to 1") due to not enough backfill or stakes. My question is do I move my entire wall out a 1/4" on each side so the sheathing will overlap the slab(1") or do I just keep the sheathing flush with the bottom plate and have the 1/4" of the slab sticking out on each wall and sticking out an 1" on the front and back? A buddy of mine told me to move the wall out the 1/4 on the sides and an inch on the front and back, put this will mean that part on the bottom plate will not be on the slab, on the outer corners.

Scuba_Dave 05-15-2010 11:18 AM

What are you using for studs...2x4 or 2x6 ?
Whats the distance over which it swelled out ....4'....8' ?
I would put a 2x6 or 2x8 bottom plate on & move the wall out

tpolk 05-15-2010 11:21 AM

is roof load on 1/4"

Youngblood72 05-15-2010 11:22 AM

I am using 2x4 studs, and it swelled out over about 12 ft.

Youngblood72 05-15-2010 11:23 AM

Yes the roof load will be on the 1/4" sides.

tpolk 05-15-2010 11:26 AM

bump everything and keep lengths and diagonals even, you will be happier when you frame and get to roof

Youngblood72 05-15-2010 11:28 AM

So pretty much what my buddy suggested. The depth on garage will change to 28' 2". Do you agree with bringing the sheathing down over outside of slab a bit? 1/2 or 3/4"?

tpolk 05-15-2010 11:32 AM

no your siding will cover that. make sure you keep ground clearance

vsheetz 05-15-2010 01:54 PM


Originally Posted by tpolk (Post 442215)
bump everything and keep lengths and diagonals even, you will be happier when you frame and get to roof

X2 - you want it square and true, else you will be continually having to make adjustments.

Youngblood72 05-18-2010 06:01 AM

Thanks for the advice everyone. I got the 4 walls up on the weekend and everything is square, now it is time to seruce everything to the concrete and trusses and then the trusses.

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