Repairing Pre-Taped Outer Corner

 
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Old 09-10-2017, 10:09 AM   #1
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Repairing Pre-Taped Outer Corner


This is the lower outer corner (adjoining the ceiling) of a bayed ceiling. A continuous run of about 8' long.

Water had gotten in it a while back and the attached 'tape' on it is a little curled & bloated.

How can that tape be brought back flat? After careful patching underneath and priming, I have 3m spray adhesive, but how can I restore the flatness of it? Will wetting help, I'm guessing this stuff has a memory given it's shape though.

What about cutting it out, which I hesitate to, and using the spray adhesive to splice on a section of new paper tape?
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Old 09-10-2017, 10:35 AM   #2
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Re: Repairing Pre-Taped Outer Corner


Cut it out, and use a narrower piece of tape with spray adhesive. If you use standard width, you'll have problems getting the tape down into the existing bed.

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Old 09-10-2017, 12:40 PM   #3
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Re: Repairing Pre-Taped Outer Corner


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Originally Posted by hdavis View Post
Cut it out, and use a narrower piece of tape with spray adhesive. If you use standard width, you'll have problems getting the tape down into the existing bed.
Will probably not be able to overlap the tape, as I'd like to.
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Old 09-10-2017, 02:04 PM   #4
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Re: Repairing Pre-Taped Outer Corner


there's no need to get it exactly into the existing bed. Just re-tape it float it out and texture it.

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Old 09-13-2017, 07:46 AM   #5
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Re: Repairing Pre-Taped Outer Corner


Now that I've cleaned it out, it's clearer that the plastic contour is flared out above surface. Need to pre drill a couple tiny holes and hold it down with drywall nails. No other choice.
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Old 09-14-2017, 06:53 PM   #6
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Re: Repairing Pre-Taped Outer Corner


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Cut it out, and use a narrower piece of tape with spray adhesive. If you use standard width, you'll have problems getting the tape down into the existing bed.
Taking a closer look at the very shallow clearance, I will have to spray adhesive the plastic and paper tape down to my new patch which is sealed. (tacking the pre-drilled plastic). I think the adhesive should hold the paper to the sealed mud.

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