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Brett K 08-13-2013 01:37 PM

Priming new drywall questions
 
I am getting ready to prime new drywall in a renovated room. Two days ago, I attempted to do all my brush work in the corners with Behr Premium Plus. I returned it once I saw how poorly it covered. I jut picked up SW Multi-Purpose Latex Primer. Hopefully, the results will be better. Any input? I assume this is much better based on how stinking expensive it was.

My question is this. How long after priming can I wait before the topcoat? My wife wants to wait until the flooring and other work is done before picking a color. I have been reading contrasting opinions.

joecaption 08-13-2013 02:11 PM

No such thing as primer and paint in one as you found out or what the can says.
Zinsser 123 would have been my first choice for a primer.
Best in my option to prime and paint the walls before the floor goes in.
Much easer then cleaning up spills and splatter and no chance of a step ladder scratching it.

Davejss 08-13-2013 02:16 PM

Old school rules are still the best. One coat of good quality oil based primer followed by two coats of excellent acrylic latex.
The oil based primer is smelly and a pain to clean up, but in my experience it is the best choice.
Just my two cents..
I would get it done before the floor. No need for drop cloths. May just need to touch up the base boards if they get dinged up during flooring.

Brushjockey 08-13-2013 02:44 PM

Dave- oil on new rock? You really are in the dark ages.
That will raise the fuzz and grain of the paper up so hard it will take real large effort to get it to smooth out.
There are a zillion better choices in quality wall primers .
It also depends on 1) how good the mud job /sanding is, an2) what sheen you wish to finish with.

Davejss 08-13-2013 02:58 PM

I was thinking of skim coat plaster. Didn't read the post well. I'm so used to plaster on my jobs, I haven't used sheet rock and mud in many years.

Jmayspaint 08-13-2013 03:04 PM

Its fine to wait a while between coats on interior surfaces. Primer on ext surfaces exposed to the weather can deteriorate pretty quickly if not top coated, but its not an issue on walls inside.

For coverage on the Sheetrock, put on a generous coat. Dip the brush and roller often.
Coating thickness is as important (probably more so) than the particular brand of paint.

Even if you get a good coat on, don't count on new rock covering in one coat.

chrisn 08-13-2013 04:45 PM

Quote:

Originally Posted by Brett K (Post 1228816)
I am getting ready to prime new drywall in a renovated room. Two days ago, I attempted to do all my brush work in the corners with Behr Premium Plus. I returned it once I saw how poorly it covered. I jut picked up SW Multi-Purpose Latex Primer. Hopefully, the results will be better. Any input? I assume this is much better based on how stinking expensive it was.

My question is this. How long after priming can I wait before the topcoat? My wife wants to wait until the flooring and other work is done before picking a color. I have been reading contrasting opinions.


How come you did not just get dry wall primer?:huh: Would have saved some $

KD PAINTING 08-13-2013 08:05 PM

Priming new drywall questions
 
SW products are much better that Behr is, that's for sure. After you have primed your walls, you can wait as long as you need to after the primer has dried to apply top coats. Good Luck!

chrisn 08-14-2013 01:36 AM

Quote:

Originally Posted by KD PAINTING (Post 1229002)
SW products are much better that Behr is, that's for sure. After you have primed your walls, you can wait as long as you need to after the primer has dried to apply top coats. Good Luck!


not necessarily true:no:

Gymschu 08-14-2013 07:09 AM

The only thing I would add........SOMETIMES, it's best to wait til the flooring is intalled before putting the LAST coat of paint on. Why? Because the flooring guys are going to be leaning against your walls, dinging up spots as they nail in the hardwood, etc. Not saying they can't be careful because some flooring companies are very careful, but, usually they mar the walls up pretty good and then you have to touch up and that's more of a pain than just waiting til they're done to do a final coat.

Brett K 08-14-2013 09:17 AM

Thanks for the input everyone! The SW primer is going on nice! A major improvement! I am trying to convince my wife to pick a color to put up sooner. The flooring guy will be careful, since it is me doing everything. I also called SW. They say 2-3 months, but no more.

The room is going to be a photography studio, so my wife is concerned about the color impacting her work.

jeffnc 08-16-2013 10:47 PM

Quote:

Originally Posted by KD PAINTING (Post 1229002)
SW products are much better that Behr is, that's for sure.

Not necessarily. Sherwin Williams, like most paint companies, makes some cheap products as well.

jeffnc 08-16-2013 10:49 PM

Once you have painted, you can not get primer under the paint. Whatever is the first material to cover the drywall is the material that will be on top of the drywall forever. A chain is only as strong as the weakest link. If your first link fails, then it can't ever be made up for with later top coats.

Having said that, it sounds like your issue is "hiding", which is no big problem.


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