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July 27, 2008
Choosing Drywall Primer | OnlineTips.org
Some people confuse drywall primers with sealers. It's important to differentiate between the two. Sealers do just the opposite of what primers do. With a high resin content and low pigment content, sealers create a barrier resistant to paint.
Choosing the right kind of drywall primer is important, as well. The decision lies on where the drywall is and how much moisture there is to be dealt with. Although latex primers are known to have enhanced "breathing" characteristics and to dry much faster, oil/alkyd primers penetrate the gypsum board easier and stick to it better than primers with a latex additive.
http://www.onlinetips.org/drywall-primer
Posted by thdyck on July 27, 2008
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