Paver Moisture transmission

by Sal
(Maine)

Q. When using concrete pavers as a sidewalk in cold
climate states, is it advisable to use a sealer for
protection from salt damage?

Once the top surface is sealed, will the top of concrete
pavers spall from moisture below.

Can we just purchase pavers that will tolerate the salt
and freeze/thaw and forget about sealers and associated
problems?

A. Concrete pavers should be sealed with an acrylic concrete sealer to help protect them from freeze/thaw and salt damage just the same as concrete is sealed.

Acrylic concrete sealers are breathable and will not fail due to moisture vapor transmission.

High traffic areas should be resealed every year to maintain a good protective coating. Other areas only need to be resealed every 2 - 3 years.

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