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-   -   Sherwin William's Problock Primer/Bleeds? (http://www.diychatroom.com/f4/sherwin-williams-problock-primer-bleeds-72175/)

Painter10 05-27-2010 08:10 AM

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

chrisn 05-27-2010 05:19 PM

What was bleeding?

Painter10 05-28-2010 07:08 AM

the problock itself was coming through.

thanks

chrisn 05-28-2010 05:31 PM

Was the primer not white? I do not understand.:huh::huh:

Painter10 05-29-2010 11:27 AM

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.

:eek:

firehawkmph 05-29-2010 11:55 AM

Can you post some pics?
Mike Hawkins:)

racebum 05-29-2010 09:09 PM

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.

boman47k 05-30-2010 09:12 AM

Quote:

Originally Posted by Painter10 (Post 448493)
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.

:eek:

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.

Painter10 05-31-2010 07:20 AM

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


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