The Washington Post, November 4th, 1999
Q Should I use a sealer on a concrete driveway? I've heard both pro and con on this subject. A Driveway sealants are controversial in many parts of the country, primarily because some unscrupulous door-to-door vendors sell expensive treatments to homeowners, swindling them out of thousands of dollars. In many cases, a sealer simply isn't needed, no matter how clever or persuasive the sales pitch. Driveway sealants do serve a purpose in some situations. They often are required when new concrete is poured in late autumn. In this instance, a sealant keeps water from entering the slab and popping ...
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