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Concrete Sealer Application

Once a concrete floor is acid-stained or cleaned, a concrete sealer is applied to help resist water, stains, dirt and abrasives.

Surface sealers for exterior applications should be acrylic to allow moisture in the slab to escape. Solvent-based acrylics generally perform better than water-based products for outdoor use. For surfaces where a shiny or wet look is not desirable, we recommend silicone-based penetrating sealers. A good indoor application consists of one coat of solvent-based acrylic followed by a topcoat application of water-based acrylic. Floor maintenance is performed with additional applications of water-based acrylic sealers or waxes.

For interior slabs, Cleaning 4U use three primary types of sealers: acrylics, urethanes, and epoxies. Acrylics are UV stable, inexpensive, and easy to apply or reapply, as necessary, but they have the softest surface of the three and require the most maintenance. Solvent-based acrylic sealers are softer than water-based products. They also provide a wet look that greatly enhances the appearance of coloured finishes.

Epoxy sealers are much harder than acrylics. Water-based epoxies bond well to concrete and provide a clear finish, but they are nonporous and do not allow trapped moisture to escape. Epoxies are probably the best choice for concrete countertops and food-preparation areas. They are not UV-resistant, and reapplication involves more elaborate preparation than for acrylics.

Urethane sealers, though the most costly, provide the most abrasive-resistant finish. However, they do not bond well to concrete, so they must be applied over water-based epoxy applications. They are not UV-stable, and reapplication is expensive.

The best time to apply concrete sealer is right after colouring or cleaning.

Do not waste any more time, contact us and get the best of the best when it comes to concrete sealing.