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minnesota house
Bubbled Corner Bead

When I hung the outside vinyl coner bead, the 3M based adhesive, that I used said it is good for paper bead as well. So I used it on all of my inside corner bead, which is a metal bead with a paper face. after applying it it looked like it was going to work great. Then I applied the first layer of compound. Now it is bubbling everywhere. Any ideas on how I can fix this bubbling without having to take the bead down? Can i just mud over the bubble with a second coat or will the bubble worsen? Could I cut the section of bubble out and mud over that?

Eric1435
Re: Bubbled Corner Bead
minnesota house wrote:

When I hung the outside vinyl coner bead, the 3M based adhesive, that I used said it is good for paper bead as well. So I used it on all of my inside corner bead, which is a metal bead with a paper face. after applying it it looked like it was going to work great. Then I applied the first layer of compound. Now it is bubbling everywhere. Any ideas on how I can fix this bubbling without having to take the bead down? Can i just mud over the bubble with a second coat or will the bubble worsen? Could I cut the section of bubble out and mud over that?

Having never used spray adhesive to attach corner bead, I will throw out some guesses.

1. Not enough adhesive was applied in certain areas and when the joint compound came in contact with the paper bead it bubbled the paper. I feel if the majority of the corner bead seems secure, cut out the bubbble and mud over it.

2.Too much adhesive was applied and soaked thru the paper corner bead causing the paper to bubble. Same solution, if the majority of the corner bead seems secure, cut out the bubble and mud over it.

3. As I read your email again, you do say it is bubbling everywhere. Maybe the best solution is to take it down and start over, but use joint compound to attach the paper corner bead rather than adhesive. I prefer the sticky mesh tape myself. You can put it in inside corners and it holds itself in place and when you apply the joint compound it squeezes thru the mesh and forms a tight bond to the drywall.

Eric

Rocks56
Re: Bubbled Corner Bead

It sounds like it would be better to just remove the bead and use the mud to adhere the bead. After all, it only joint compound and can be easily re-done. If you dont do it right then you will kick yourself down the road for not re-doing it. And as the other post indicated, use the compound and place the mud on the wall and then push the bead into the mud causing it to suck to the wall. I've never had a problem with this method of installation ever.

Good Luck

Rock

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