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Old 11-17-2010, 02:59 PM   #1
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Primer not cured or prep ineffective?


I TSP'd the latex(I'm pretty sure) semi-gloss walls in my kitchen and sanded them before painting them with Bulls-eye 1-2-3 Primer-Sealer five days ago, yet it still comes off in sort of a peeling action when I catch it with a scraper (removing baseboard glue). Does this mean the TSP'ing and sanding didn't work or just that the primer isn't cured yet? Seems to me it should scratch or at worst come off in small flakes.

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Old 11-17-2010, 04:02 PM   #2
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Primer not cured or prep ineffective?


Hey Ptron,

That primer isn’t going to dry any more than it is now. I wouldn’t think that the primer is a bad batch, if it was the stores would be swamped with complaints. If I had to bet, I would say you didn’t remove all the grease from the walls when you washed them. When you sanded the walls before priming did you notice a build up or glaze on the sand paper? If you did then you still had grease on the walls. Good primers are known for bonding to the substrate, that’s their job, if it didn’t then something is stopping it. I would say to continue the project and hope no one bumps into the walls.

Steve

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Old 11-17-2010, 05:16 PM   #3
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Primer not cured or prep ineffective?


Thanks for the reply, Steve.

Huh, well that's a little disappointing after all the work I put into trying to do it right. My elbow hurt for two days after all that scrubing and sanding. I didn't notice a build up on the sandpaper other than what looked to me like the old paint. This is also not an area I'd expect to get real greasy and I did rinse after scrubing with TSP. Oh, well. As you pointed out there's not a lot to be done about it at this point.
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Old 11-17-2010, 10:32 PM   #4
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Primer not cured or prep ineffective?


The primer is FINE.
Full bonding of the primer to the substrate can take TWO WEEKS.
This is even stated on Zinsser's own website.

Full cure of paint topcoats can take a month to harden-out/bond.

You're nicking it with a knife and complaining that some comes off?!?
Keep the knife from hitting the wall, and let it develope its grip.

We've been selling 123 and other Zinsser primers for YEARS now, and I've never heard of a bad can. It's very good primer!

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Old 11-18-2010, 09:34 AM   #5
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Primer not cured or prep ineffective?


Thanks for the reply, Faron. That's reasurring.

Sorry, I wasn't blaming the primer at all, just asking the question in the title.
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Old 11-18-2010, 02:49 PM   #6
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Primer not cured or prep ineffective?


In addition to the primer taking 7 days to cure not 2 WEEKS Zinssers also said:
Not to get the primer on your skin and.............NOT TO DRINK IT.

But then we live in the real world, don’t we?

Steve

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