Prepping New Drywall for Paint


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Old 01-07-16, 09:55 AM
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Prepping New Drywall for Paint

I've just finished up sanding newly finished drywall for the first time. Now that I have a nice smooth surface, I'm on to priming and painting. A few questions first:

Regarding the drywall dust, is it necessary to go beyond using a brush attachment on a shop vac? I've read different people using wet rags or sponges, but I would think that could wreck the smooth mud.

What type/brand of primer does everyone prefer for new drywall?

Thanks!
 
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Old 01-07-16, 10:08 AM
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Any PVA primer made by Zinsser would be fine to me.

A tack cloth can be used to remove sanding dust without fear of affecting the mud.
 
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Old 01-07-16, 01:58 PM
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As long as most of the drywall dust is removed you should be good to go. I know some are fanatical about removing the dust but I normally just take a push broom [minus handle] and sweep the walls down. I'll use a duster brush [old paint brush] in the corners if/when needed.

Most any latex primer will do ok on new drywall although some top coats will do better [coverage, sheen hold out] when a better or specific primer is used.
 
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Old 01-07-16, 05:00 PM
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I always vacuum it and then go over it with a slightly damp sponge. As long as it's just barely damp and you use a light touch it won't affect the compound. Probably overkill, but it only takes a few minutes.

Last job I did I used SW Premium Wall and Wood Primer. It's sandable and after it dried I gave it a quick sand with a 220 sanding screen. It did a great job of completely evening the surface so there was absolutely no difference between compound and paper areas. After the finish coats, even with a bright glancing light you can't see where the compound ends and the paper starts. It's as close as I've come to a level 5 finish without skim coating. Again, probably overkill, but it was a small room with semi-gloss paint and I wanted a really nice finish.
 
 

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