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- Acrylic Sealers
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Comparison Chart of Concrete Sealers
|Sealer Type||How They Work||Primary Applications||Type of Finish||Performance|
|Penetrating sealers (includes silanes, siloxanes, and silicates)||Penetrate and react chemically within the capillaries of the concrete to shield against moisture penetration and deicing chemicals.||Exterior concrete surfaces subject to corrosion and freeze-thaw damage Where a natural, matte finish is desired||Provide invisible protection without changing the surface appearance or leaving a sheen.||Provide excellent protection against outdoor exposure conditions. Most products are also breathable, allowing moisture vapor to escape.|
|Acrylics||Form a thin protective film on the concrete surface. Available in both solvent- and water-based formulations||Both exterior and interior concrete On projects where easy application and economy is important To enhance the beauty of colored, stamped or exposed- aggregate concrete On fast-track projects, since acrylics often dry to the touch within an hour||Available in a range of sheen levels. Solvent-based acrylics generally enhance color better than water-based products.||Provide good protection against water and chloride intrusion, but usually wear faster than polyurethanes and epoxies.Solvent-based acrylics generally perform better than water-based products for outdoor use. On indoor surfaces, softer acrylic sealers usually require regular maintenance with several coats of a sacrificial floor finish, or wax, to prevent wear and black heel marks.|
|Polyurethanes||Form a high-build protective film on the concrete surface. Available in both solvent- and water-based formulations||Both exterior and interior concrete On floors in high-traffic areas, to provide good resistance to scuffs and staining To enhance the beauty of colored, stamped or exposed- aggregate concrete Concrete countertops||Available in a range of sheen levels. Finish is transparent and non-yellowing.||Nearly twice as thick as acrylic sealers, and produce a very durable chemical- and abrasion-resistant finish. Most urethanes are moisture intolerant until they cure, so no water should be present on the surface when the sealer is applied.|
|Epoxies||Form a high-build protective film on the concrete surface. Most are two-component products mixed prior to application.||On floors in high-traffic areas Cement-based overlays Concrete countertops May yellow with UV exposure, so generally limited to interior use||Available clear or pigmented, if you wish to add color. Most products impart a glossy finish.||Produce a hard, long-wearing, abrasion-resistant finish. Also offer excellent water repellence, but some products are impermeable and could trap moisture in the concrete|
*Note: Always check with the sealer manufacturer to verify the compatibility of its product with the decorative surface you plan to apply it to.
Deep Penetrating Sealer - RadonSeal Waterproofs & strengthens.
Decorative Cure & Seal Decra-Seal OTC Acrylic Sealer
Clear-Seal by Increte Systems Seals and protects decorative surfaces.
Penetrating ConcreteSealer $179.95 (5 gal.)
Colored Concrete Sealer 20 different UV stable colors.
Penetrating Sealer 101 - V-Seal 1 Gallon - $39.95.