Sealing & waterproofing
Sourced answers on sealing & waterproofing, written for the person standing in front of the problem.
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How to seal concrete
Clean it, let it dry, then roll or spray two thin coats. Penetrating sealers repel water with no sheen; film-forming sealers add gloss and need recoating.
2How do you seal a concrete driveway?
Clean the slab, let it dry, then apply a concrete sealer in two thin coats. Wait about 28 days on new concrete, and follow the product data sheet closely.