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Sherwin Williams CHB is it a sealant?

I was told this was a drywall sealant and can't find it anywhere on the bucket/label. I've contacted Sherwin Williams corporate and was told they have no paper work to back that this product can be used as a drywall primer. I have new drywall and everyone that we have talked to at other Sherwin Williams stores told us we needed to prime first. They said CHB could be used but it's not the right way. Please help thanks

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Terrielynn1 profile image92

Terrie Lynn (Terrielynn1) says

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11 months ago