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Default Drywall - paint prep

I've just finished jointing and sanding some new drywall, and today and
tomorrow I plan to paint.

I know that I need to put down a solid coat of a good primer-sealer,
because of the different absorption qualities between joint compound and
wall board. But I'm wondering what prep I should do prior to putting
down the primer?

That is, the surface was very dusty, because of the sanding. Other than
that it is clean and dry.

I went over the surface with my shop vac, and pulled up most of the dust.

Will that be sufficient? I've thought about a light mopping, but I'm
afraid the water might raise the surface. Most of my experience has been
re-painting old walls, and there I'd always cleaned the surface with TSP.
I'd not think that would be necessary, on new wallboard.

Is there any further prep needed?

--
In truth, one who believes it wrong to arm himself against criminal
violence shows contempt of God's gift of life (or, in modern parlance,
does not properly value himself), does not live up to his responsibilities
to his family and community, and proclaims himself mentally and morally
deficient, because he does not trust himself to behave responsibly. In
truth, a state that deprives its law-abiding citizens of the means
to effectively defend themselves is not civilized but barbarous,
becoming an accomplice of murderers, rapists, and thugs and revealing
its totalitarian nature by its tacit admission that the disorganized,
random havoc created by criminals is far less a threat than are men and
women who believe themselves free and independent, and act accordingly.
- Jeffrey Snyder, "Nation of Cowards"
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Default Drywall - paint prep

On Mar 29, 9:44*am, Jeff Dege wrote:
I've just finished jointing and sanding some new drywall, and today and
tomorrow I plan to paint.

I know that I need to put down a solid coat of a good primer-sealer,
because of the different absorption qualities between joint compound and
wall board. *But I'm wondering what prep I should do prior to putting
down the primer?

That is, the surface was very dusty, because of the sanding. *Other than
that it is clean and dry.

I went over the surface with my shop vac, and pulled up most of the dust.

Will that be sufficient? *I've thought about a light mopping, but I'm
afraid the water might raise the surface. *Most of my experience has been
re-painting old walls, and there I'd always cleaned the surface with TSP.
I'd not think that would be necessary, on new wallboard.

Is there any further prep needed?

--
In truth, one who believes it wrong to arm himself against criminal
violence shows contempt of God's gift of life (or, in modern parlance,
does not properly value himself), does not live up to his responsibilities
to his family and community, and proclaims himself mentally and morally
deficient, because he does not trust himself to behave responsibly. In
truth, a state that deprives its law-abiding citizens of the means
to effectively defend themselves is not civilized but barbarous,
becoming an accomplice of murderers, rapists, and thugs and revealing
its totalitarian nature by its tacit admission that the disorganized,
random havoc created by criminals is far less a threat than are men and
women who believe themselves free and independent, and act accordingly.
* * * * * * * * - Jeffrey Snyder, "Nation of Cowards"


Buy regular wallboard primer made by the wallboard companies. It's
cheap, effective, and can be applied with little surface preparation.
Most pros will use two topcoats to get a quality finish. Sounds like
you already have most of the hard work behind you.

Joe
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Default Drywall - paint prep


Is there any further prep needed?


Don't tsp or do anything more to the surface, you're ready for the
primer/sealer. The little dust remain on the surface shouldn't make any
difference, its not a Class 1 cleanroom.



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Default Drywall - paint prep

Frank wrote:

Is there any further prep needed?




Don't tsp or do anything more to the surface, you're ready for the
primer/sealer. The little dust remain on the surface shouldn't make any
difference, its not a Class 1 cleanroom.





Agreed. Get a wallboard primer at a good paint store. There are
special latex primers for
new wallboard.
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