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john70t john70t is online now
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Join Date: Aug 2001
Location: midwest
Posts: 40,471
I cut my butt joints square which was a mistake. They moved with the wall and the crack appeared between later.
Should have glued at a 45deg.

I did leave them straight, even though the wall was wavy. That was good.

For larger gaps I used sandable spackle and pressed it in.
Only a small amount of caulk to finish the small cracks.

Not sure how to do it right. That was my experience.
Old 03-05-2018, 07:37 PM
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