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Filling holes in concrete block

843 Views 2 Replies 3 Participants Last post by  Gymschu
I need to fill small holes in concrete block from fastener holes. What should I use? Would caulk work? I need something that can be paintable in 24 hours.
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I would put a little construction adhesive in each hole, then smooth it up with a plastic putty knife, or an old credit card.

Let it set, and primer over it, then a finish coat.

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