kim191•2mo agoProlific Poster

A trick for getting a tight corner on a weird angled ceiling joint

I was working on a sunroom addition in Springfield last week and the ceiling met the wall at this odd 110-degree angle. My normal corner bead just wouldn't sit right. I ended up cutting a thin strip of scrap drywall, maybe an inch wide, and using it as a backer behind the paper tape before I mudded. It gave the tape something solid to form against and made the whole thing way easier to finish. Has anyone else run into a weird angle like that and found a different fix?

3 comments

3 Comments

olivia_bailey2mo ago

Honestly that sounds like extra work for the same result. I just use a flexible corner bead for those, bends to fit any angle. The paper tape method can crack later if the backing fails.

brian_ramirez2mo ago

Hey @olivia_bailey, you ever have a corner bead pop loose on you later? I tried the flexible stuff once on a weird angled closet and it just never felt as solid once the mud went on. Ended up going back to paper tape with a setting-type joint compound for the first coat on those non-90 degree corners. It's a bit more fussy like you said, but I haven't had a call back for a crack yet. Maybe my old-school habits are just hard to break.

sean_johnson161mo ago

Ever see a flexible bead push out from the mud over time? I'm with Brian on this one. That plastic doesn't grip the compound like paper tape does. On a vaulted ceiling job last year, the flexible stuff on a shallow angle just left a visible ridge after painting. Paper tape and hot mud for the first coat locks it in solid. It's more steps, but it stays put.