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What Would Cause This?

 
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Old 04-29-2014, 03:51 AM   #21
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Re: What Would Cause This?


Obviously,it's at outer edge of mud bed. Crappy or no primer. Humidity. Equals peeling paint.

Scrape loose paint off. Sponge/wash that area w/bleach water solution. Skim,sand and paint.
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Old 04-29-2014, 07:07 AM   #22
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Re: What Would Cause This?


One other possibility. If they used setting compound and it dried before it set half decent, you can get almost a chalky effect where the compound was thinnest - right at the edges. The thicker parts dry slower, so they're usually good. Then, if the primer doesn't really penetrate into it, it doesn't have the adhesion it needs.
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Old 04-29-2014, 07:54 AM   #23
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Re: What Would Cause This?


Probably a heated garage with no ceiling insulation, & no attic ventilation. The result would be lots of condensation on the attic/top side of the board. From there, everything expanded/swelled. How else would the board edges squish out the mud/tape at the long board seams? The mud had to be wet! Lots of moisture from somewhere!

As fun as it is, ya can't blame everything on the painter!

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Old 04-29-2014, 10:09 AM   #24
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Re: What Would Cause This?


Quote:
Originally Posted by Railman View Post
How else would the board edges squish out the mud/tape at the long board seams? The mud had to be wet! Lots of moisture from somewhere!

As fun as it is, ya can't blame everything on the painter!
I interpreted the joint bump the same way you did - condensation typically happens first at the joint because the drywall is effectively thinner there as long as the boards were tight. Every time I've seen it start to come off from backside moisture, joints go first, and they tent down - the paint stays on until the mud gets pretty soft - either the joint between the boards, or the edge of the tape delaminates first.

I'm not really blaming the painter on this one - not many drywall primers these days actually have good adhesion, and clearly the primer was good enough for the bare board surface, and most of the mud job.

Either way, the more guesses the better on this one
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Old 04-29-2014, 03:30 PM   #25
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Re: What Would Cause This?


[QUOTE=Railman;2006543]How else would the board edges squish out the mud/tape at the long board seams?
The mud had to be wet! Lots of moisture from somewhere!

But, wouldn't the lines be kinda straight?

Looks like billy-bob was learning to use a rotozip...
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Old 04-29-2014, 03:39 PM   #26
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Re: What Would Cause This?


Looks like someting was glued to the paint.
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Old 04-29-2014, 03:59 PM   #27
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Re: What Would Cause This?


When those smart guys answer you let us know. I don't have a clue.
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Old 04-29-2014, 05:04 PM   #28
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Re: What Would Cause This?


Not sure what caused it but I had a terrible time with my garage ceiling when the tape started falling off after it was 5 years old. Everytime I fixed it and went to prime it, the edges pealed again. If you fix this and try to paint it as mentioned above, try a small area first. Otherwise do what I did and add another layer of rock.
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Old 04-29-2014, 05:11 PM   #29
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Re: What Would Cause This?


Quote:
Originally Posted by Marven View Post
Not sure what caused it but I had a terrible time with my garage ceiling when the tape started falling off after it was 5 years old.
Big Shoe knows how to fix that, so do some do some others.
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Old 04-29-2014, 05:29 PM   #30
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Re: What Would Cause This?


They failed to primer it would be my first guess...
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Old 04-29-2014, 05:59 PM   #31
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Re: What Would Cause This?


Never seen that before. Weird. I am definitely not one of those smart guys.
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Old 04-29-2014, 06:48 PM   #32
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Re: What Would Cause This?


Quote:
Originally Posted by blacktop View Post
The rock was hung and finished ..Then many years later It was painted.
They painted over yellow rock. Betcha!!
I believe we have a winner...


JLS, get over there and ask them when it was first painted
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Old 04-29-2014, 09:08 PM   #33
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Re: What Would Cause This?


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Originally Posted by TimelessQuality View Post
I believe we have a winner...


JLS, get over there and ask them when it was first painted
Not so fast! Lol my guess it was taped during cold months with no heat. The edges that are the thinnest froze this cause the compound not to stick to the rock. Hence the peaked flats everywhere!
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Old 04-29-2014, 09:17 PM   #34
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Re: What Would Cause This?


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Originally Posted by VanGoghFinish View Post
Not so fast! Lol my guess it was taped during cold months with no heat. The edges that are the thinnest froze this cause the compound not to stick to the rock. Hence the peaked flats everywhere!
interesting...hmmmm
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Old 04-29-2014, 09:54 PM   #35
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Re: What Would Cause This?


Quote:
Originally Posted by jlsconstruction View Post
Attachment 111669

Attachment 111670



Attachment 111671

It's the ceiling in an unheated garage.

My thinking was that's where the mud stopped?
The finisher used a rag/sponge that had WD40 on it to rag his pointup.
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Old 04-30-2014, 03:53 AM   #36
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Re: What Would Cause This?


Quote:
Originally Posted by Marven View Post
Not sure what caused it but I had a terrible time with my garage ceiling when the tape started falling off after it was 5 years old. Everytime I fixed it and went to prime it, the edges pealed again. If you fix this and try to paint it as mentioned above, try a small area first. Otherwise do what I did and add another layer of rock.
I peel 100% of tape off. Add screws to tighten board. Wipe down seam w/sponge. Spray with 3M adhesive. Apply 2'' mesh into old tape recess. Fill in with quick set and top with mud then sand and paint.
We guess it has something to do with finisher adding too much water to bazooka mud plus humidity in open garage. As it does not happen inside the air conditioned house.

As far as the OP...........That is the really bizarre. I've seen paint peel before, but not to that extent.

Double up drywall........... Overkill.
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Old 04-30-2014, 07:20 AM   #37
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Re: What Would Cause This?


I like OSB in the garage ...with fire paint
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Old 05-02-2014, 09:47 PM   #38
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Re: What Would Cause This?


It looks like someone may have pissed off the drywaller. I could be wrong, but I've heard stories that if you put dish soap on a board that paint won't stick to it. Looks to me like someone put dish soap on the board before hanging it. You wouldn't see it till it's painted and the paint peels. It's an old time revenge trick to cause problems after the job is done and everyone is paid. I'm also sure temp changes may have come into play as well. Either way this was deliberate. The patterns are too perfect.
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Old 05-02-2014, 09:51 PM   #39
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Re: What Would Cause This?


Most of these comments don't jive. The walls look fine. It was only the ceiling. This was done on purpose.
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Old 05-02-2014, 11:40 PM   #40
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Re: What Would Cause This?


Quote:
Originally Posted by BUTCHERMAN View Post
Most of these comments don't jive. The walls look fine. It was only the ceiling. This was done on purpose.
Are you kidding me? Who in there right mind wood do something like that to there on work and risk ruining there rep?

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