Knockdown texture issue

Old 08-07-14, 01:08 PM
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Knockdown texture issue

I have been scraping popcorn off off my ceilings, and then applying a knockdown texture. However, I have been running into issues with the knockdown texture peeling right off the tape lines when I knock it down? It either falls off, or peels away and hangs down. It doesn't do it where there inst a tape line? And it doesn't do it on every tape line or the whole tape line, just in places. I have never seen anything like it and I cant find any info online about it. Any body have any clues?

I am waiting about 10 mins before knocking down.
Old 08-07-14, 01:36 PM
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Welcome to the forums!

Is there any dust on the ceiling prior to shooting the texture?
Water may have degraded the j/c some, if that's the case, primer should help.

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