Primer and paint on drywall

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  #1  
Old 08-16-05, 04:38 PM
Mastadex
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Primer and paint on drywall

Me and a friend just finished drywalling a room in his house and its about time we should put the primer and paint on. the question that arose is will the primer and paint smoothness be different on the sanded down mud and the rougher drywall paper?

we are using Behr primer sealer. it claims to have a uniform finish for unpainted drywall. Will one coat suffice or should we apply two?

we are using dulux acrilic paint. how many coats should be enough?
 
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Old 08-16-05, 04:46 PM
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One of the reasons you use primer in the first place is to seal the wall (on both finished and unfinished drywall). When the primer is dry, you'll likely still be able to "see" where the taped joints are. But if it's a decent primer, you should be able to put your top coats on and it will cover everything just fine.

I use 1 coat primer, 2 coats wall paint. Occasionally, if they can tint the primer the color of the wall paint, I might try to get away with 1 coat primer, 1 coat wall paint.
 
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Old 08-16-05, 05:08 PM
Mastadex
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ok, but in a worst case scenario. we painted the primer and there are noticable bumps and dents...possibly from a bad sanding job. should we just continue with the two coats of paint>?
 
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Old 08-16-05, 06:38 PM
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The purpose of primer is not to cover up a poor job of drywall finishing. No amount of primer or paint will cover up shoddy finishing. If, after priming the walls, you notice bumps and shadows in your drywall, those areas ought to be patched and skimmed with mud, then resanded, then reprimed... before you proceed to your top coat.
 
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Old 08-16-05, 07:37 PM
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Often primer will show up defects not readily apparent to the untrained eye. As Xsleeper said fix those areas now and then reprime them. Don't mistake the shading difference between the taped/mudded areas with unfinished drywall as a defect. If this area feels good with your hand it should look good once enough paint is applied.
 
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Old 08-16-05, 09:34 PM
Mastadex
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We sanded most of the rough spots where we applied the mud too, and it seems really smooth. we will start applying the paint tomorrow to see how it looks like after the primer goes on.

thanks for you help.
 
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