{"product_id":"polyprime21","title":"Polyprime® 21 Epoxy Primer for Concrete \u0026 Plywood Surfaces","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003e\n\u003cspan role=\"text\"\u003e\u003cstrong\u003ePolyprime 21 Two-Component Epoxy-Polyamine Primer - 3 Gallon Kit\u003c\/strong\u003e\u003c\/span\u003e\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eHigh-Solids Penetrating Epoxy Primer for Superior Adhesion\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003ePrepare Concrete \u0026amp; Plywood for Long-Lasting Coating Performance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003ePolyprime 21 is a high-performance, two-component epoxy-polyamine primer engineered to create exceptional adhesion between concrete or plywood substrates and protective coating systems. Designed with a low-viscosity, high-solids formula, it penetrates porous surfaces to strengthen the bond and improve the durability of epoxy, polyurea, and polyurethane flooring systems. It is also ANSI\/NSF 61 approved for direct contact with potable water.\u003c\/p\u003e\n\u003cp\u003eWhether you're preparing industrial floors, commercial facilities, waterproofing systems, or specialty coating applications, Polyprime® 21 helps create a reliable foundation for long-term performance. Its seamless finish, excellent adhesion, and penetrating properties reduce the risk of coating failure while maximizing the lifespan of your flooring system.\u003c\/p\u003e\n\u003cp\u003eSuitable for application by airless sprayer, brush, or phenolic resin roller, Polyprime® 21 is easy to apply across a variety of project sizes. It offers approximately \u003cstrong\u003e300 sq. ft. of coverage per gallon\u003c\/strong\u003e, making it an efficient solution for both small and large-scale surface preparation projects.\u003c\/p\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eBenefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent adhesion for concrete and plywood substrates\u003c\/li\u003e\n\u003cli\u003eHigh-solids epoxy primer for maximum durability\u003c\/li\u003e\n\u003cli\u003eLow-viscosity formula penetrates porous surfaces\u003c\/li\u003e\n\u003cli\u003eImproves bond strength for epoxy, polyurea, and polyurethane coatings\u003c\/li\u003e\n\u003cli\u003eCreates a seamless base coat for coating systems\u003c\/li\u003e\n\u003cli\u003eApproximately \u003cstrong\u003e300 sq. ft. coverage per gallon\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFast tack-free time of approximately \u003cstrong\u003e4–6 hours at 75°F (24°C)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with airless sprayers, brushes, and rollers\u003c\/li\u003e\n\u003cli\u003eANSI\/NSF 61 approved for direct contact with potable water\u003c\/li\u003e\n\u003cli\u003eHelps reduce coating failures caused by poor substrate preparation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan role=\"text\"\u003e\u003cstrong\u003eWhy Choose Polyprime® 21?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eProper surface preparation is essential for any successful coating installation. Polyprime® 21 delivers the penetrating performance needed to improve adhesion, reduce substrate porosity, and create a strong foundation for high-performance flooring and waterproofing systems. Its high-solids formulation, excellent coverage, and professional-grade performance make it an ideal primer for demanding commercial, industrial, and residential applications.\u003c\/p\u003e","brand":"Polycoat","offers":[{"title":"Default Title","offer_id":48988533489834,"sku":"PCPOLYPRIME21","price":315.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/4371\/1146\/files\/CopyofUntitledDesign_3.png?v=1785512758","url":"https:\/\/powercoatcanada.com\/products\/polyprime21","provider":"PowerCOAT Canada","version":"1.0","type":"link"}