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Old 05-27-2010, 09:10 AM   #1
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Sherwin William's Problock Primer/Bleeds?


I have always used problock primer, with no problems, until recently.
Did a little spackling on a ceiling...when ready, I primed.
For topcoat, and first time using Sherwin's Harmony Line (low Voc)- Flat, that problock bled through 5 top coats.
Never encountered this problem before using Problock underneath.
?????
Curious, What could be the reason for this?
Thanks

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Last edited by Painter10; 05-27-2010 at 10:33 AM.
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Old 05-27-2010, 06:19 PM   #2
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Sherwin William's Problock Primer/Bleeds?


What was bleeding?

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Old 05-28-2010, 08:08 AM   #3
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Sherwin William's Problock Primer/Bleeds?


the problock itself was coming through.

thanks
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Old 05-28-2010, 06:31 PM   #4
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Sherwin William's Problock Primer/Bleeds?


Was the primer not white? I do not understand.
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Old 05-29-2010, 12:27 PM   #5
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Sherwin William's Problock Primer/Bleeds?


yes, primer was white...rolled out just the spackled area, 1 coat, dried, topcoated with S.W. Harmony extra white flat...dried, you can see where the problocked spackled area comes through...and after 5 coats of Harmony.

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Old 05-29-2010, 12:55 PM   #6
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Sherwin William's Problock Primer/Bleeds?


Can you post some pics?
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Old 05-29-2010, 10:09 PM   #7
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Sherwin William's Problock Primer/Bleeds?


after 5 coats? unusual. are you sure you haven't done one of the following

1. raised the area you painted giving a visual impression of a different color due to light and the height

2. lumped on so much paint in one small area the whole area is a different hue than the rest of the wall.
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Old 05-30-2010, 10:12 AM   #8
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Sherwin William's Problock Primer/Bleeds?


Quote:
Originally Posted by Painter10 View Post
yes, primer was white...rolled out just the spackled area, 1 coat, dried, topcoated with S.W. Harmony extra white flat...dried, you can see where the problocked spackled area comes through...and after 5 coats of Harmony.

I think that is contributing to the problem. That and maybe the spackling not being featered out enough or a little thick.

Try feathering the patch a little more. Sand the patch if needed. Prime the whole ceiling, let dry, lightly sand the whole ceiling with the same grit, tack off, and paint with a good ceiling paint.

Maybe you used a different napped roller when you primed the patch than what was used when the ceiling was painted before and sanded it with a different grit than what was used before. You did sand the spot primer, right? If not, it may just be a case of different texture on the patch.

My .02 off the top of my head.

P.S. you did feather the primer too, right.
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Old 05-31-2010, 08:20 AM   #9
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Sherwin William's Problock Primer/Bleeds?


Thanks everyone....I will look into these possibilities

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