Sealing Exposed Aggregate patios, driveways, and walkways will enhance and protect your surface from damaging weathering and deicing salts. Sealing aggregate stone is something any homeowner can do with great results.
Benefits of Sealing Exposed Aggregate
Cleaning Exposed Aggregate
Prep the surface by pressure washing and dirt and grime. If needed, use a cleaner that is specific to any stains. For example: use a Rust Remover to remove rust or a Cleaner Degreaser to remove oil spills.
Always wear safety glasses to protect yourself. After cleaning, you need at least 2 days of dry weather before continuing.
Sealing Exposed Aggregate
Apply a Solvent Based Acrylic Sealer. These sealer types can be used on exposed aggregate with excellent results. Using a 1/2″ roller, start applying the sealer at the far end making sure to not step in the sealer. The sealer should be applied at the manufacturers spread rate. This is typically 100-150 sq. feet per gallon. Apply sealer quickly to avoid any overlaps. Let the sealer dry for 1-4 hours. If the sealer did not dry evenly, apply a second coat to even out the appearance.
Depending on your exposure to the weather and traffic, Exposed Aggregate should be sealed every 12-36 months.
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