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Old 11-30-2012, 05:39 PM   #16
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Paint coming off the walls


I am sorta with tool on this one. If pictures and such are still sticking to the paint after 6 years, something bad is wrong, IMO.What it would be, you got me.Even the dreaded Behr paint and bad primer should not be causing this.

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Old 12-01-2012, 06:15 AM   #17
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Paint coming off the walls


This is a typical case of blocking, the ability of a paint to resist sticking to a hard object under weight or pressure. I've seen it before when taking wall hangings off to paint. It's not that common, but it's happened. I don't think the inability to block has an expiration date. If it doesn't have the ability to block today, the chemical additive or formulation, it won't have it six years from now. But, the inability to block is not always a sign of junk paint.

OP said it's damaging the drywall, which means the finish is sticking to the primer and the primer is sticking to the drywall. Sounds like everything is doing its job. OP, your problem will disappear when you repaint with a finish with blocking capabilities. Until then, stop taking things off the wall. It'll stop if you do.
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Old 12-01-2012, 09:13 AM   #18
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Paint coming off the walls


J if it is blocking and I have never run into it this old but there are a lot of things I haven't heard of, can you just paint over it? Will the new paint even with prime first come off since the undercoat, for lack of a better term, is still soft and not sticking?
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Old 12-01-2012, 10:23 AM   #19
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Paint coming off the walls


Tool, if I may use that shorthand, from what I can gather from the post and my experience is that everything is fine, just not a good blocking paint. If the finish paint was failed, it wouldn't have taken the primer with it. If the primer was failed, it wouldn't have taken the drywall surface with it.

If it was mine to refinish I would give it a scuff and just apply two coats of new, better blocking latex wall finish and be done. And a little spot prep/prime any damaged areas. The problem is not with the old finish sticking to its surface, but with other things sticking to it. A new finish coat will provide an adequate barrier.

As to a reason for its happening, there really doesn't seem to be any other logical reason, and blocking is a paint issue. Unless OP states that other areas are falling off without any encouragement, I can't think of any reason for his problem. It is what it is, really, despite experience, though I have seen milder cases of it.

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Old 12-01-2012, 10:57 AM   #20
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Paint coming off the walls


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I've seen some old style latex stay rubbery for ever- particularly if it was "semi gloss"
Sounds like one of the walls I'm dealing with. Was able to remove large sheets of semi-gloss latex paint over what looks like flat wall paint.
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Old 12-01-2012, 11:21 AM   #21
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Paint coming off the walls


That's doubtful Toast, semi would bond to flat. The reason paint doesn't bond to a gloss paint is that it lacks a sufficient surface profile, too smooth. Sandpaper provides that profile. Flat paint has a lot of surface profile.
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Old 12-01-2012, 12:11 PM   #22
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Paint coming off the walls


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That's doubtful Toast, semi would bond to flat. The reason paint doesn't bond to a gloss paint is that it lacks a sufficient surface profile, too smooth. Sandpaper provides that profile. Flat paint has a lot of surface profile.
OK....either way, I'm slowly pealing all of it all. Whole mess started when I realized there is a about a 12" strip around the entire room that is completely flat and not textured like the rest of the walls. Sort of like a border about 2 feet from the ceiling. First thought the PO painted over wallpaper, but no.

I'll make a new thread when I get some photos to explain a bit better and ask how to fix it properly.
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Old 12-01-2012, 05:44 PM   #23
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Paint coming off the walls


Like I said, something bad wrong here
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Old 12-02-2012, 08:45 AM   #24
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Paint coming off the walls


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Guys maybe I'm reading this wrong or maybe reading too much into it, but if this paint has been on for 6 years and stuff is just starting to stick to it, and surely in 6 years something has leaned against it. Then it almost sounds like the paint is just starting to soften. I don't have a clue what would cause this, but if this is true I don't think you can just paint over it could you.
Maybe Ric knows paint would have an answer or a theory.
I am thinking the same thing. I have painted walls using the crap paint from HD, I know now, in my home for the past (20) years and have never had anything like that.

There has to be something else, maybe not, but are the walls in question exterior walls? Is there some type of internal stuff going on that could make the exiting paint do this?

What has been done in the home in the past year? Something was?

Although not revelant to this, maybe, I was told recently that those stupid 'air freshners' that you get for the car can affect the plastics within the car. Just bringing this up to get some other clues in regards to this mystery?

Again, I am far from expert.................way way far!
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Old 12-03-2012, 02:37 PM   #25
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Paint coming off the walls


If the newest paint 6 yrs ago was applied over a commercial grade builder's flat, there may be pockets where the coating did not adhere well at all. Over time, this is discovered by cleaning the wall or by leaning something against the painted surface. Repainting sometimes shows this condition, which appears to be a "blister", which is magnified by the stress of the new paint drying over the old paint. At some point, the paint with poor adhesion needs to be removed, prep has to be done before proceeding. This cannot be cured from the outside/in.

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