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Sealing pine knots before painting

4K views 5 replies 5 participants last post by  Matthewt1970 
#1 ·
I am going to be painting some exterior knotty pine siding and want to seal the knots so they do not bleed through. I am going to use a shellac based primer to spot prime the knots, then a coat of latex stain blocker primer on the entire surface before my finish coat. Will this do the trick? Any other sugestions for sealing the knots?
 
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