PERMA-CRETE ® Interior/Exterior Alkali Resistant Primer is formulated to seal and protect the topcoat from hot … compounds to concrete, wood, tile and other sound floor coverings. Also, use a bonding primer whenever topcoating concrete, says Pachade. It is highly recommended for surfaces subject to high foot traffic or automotive vehicle tires. For a long-lasting durable finish, use BEHR PREMIUM ® Concrete & Masonry Bonding Primer. “Urethanes don’t like the alkalinity of the concrete, so they repel it,” says Pachade. Its special formulation provides excellent coverage, adhesion and ease of application. Often, acrylic primers are used before applying a urethane topcoat. Then, discover answers to all of the most frequently asked cement sealer questions. We set off to find five of the best concrete sealers on the market, and we couldn’t be happier with our final selections.Read along to learn about the benefits of these amazing products. Epoxy primer: Although it provides a really thin finish, it creates a very strong bond to concrete. Select a primer that’s compatible with both concrete and the epoxy paint that you’ll use as a finish coat. Loxon Concrete & Masonry Primer/ Sealer is an acrylic coating specifically engineered for interior and exterior, above-grade, masonry surfaces requiring a high performance primer. FEATURES AND BENEFITS Concrete primer, called block primer, fills pores and evens out the surface. Because this type of primer is so durable, it is the most appropriate for industrial or commercial buildings. Epoxy primer is actually able to absorb into the concrete and creates a great grip on the surface of the concrete for painting. A stone masonry primer: Building stone houses using the art of slipforming, which uses stone masonry and concrete to create walls that … (Epoxy paint is the best choice for floors, which take a lot of abuse. You’ll find bonding primers in acrylic, epoxy and polyurethane composition. This primer provides excellent sealing and stain blocking performance. Can be applied to all new cementitious substrates, such as masonry, stucco and cinder block with a pH of 6 to 13. It is highly alkali and efflorescence resistant and can be applied to surfaces with a pH of 6 to 13. It provides a highly water-resistant and resilient base. When added to Portland cement and a sand mixture, Titebond Concrete Primer enhances the bonding of new, wet stucco or concrete to old concrete, masonry, stucco and similar surfaces. Water-based formula is low odor and provides easy soap and water clean up. Gives a mildew-resistant coating. The Top Five Concrete Sealers in 2021. It dries fast, is nonyellowing and has excellent priming and sealing properties. PERMA-CRETE ® Interior/Exterior Alkali Resistant Primer is specifically designed for interior and exterior, above ground, wood, plaster, wallboard, and masonry surfaces. 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