{"product_id":"fp-moisture-vapor-barrier-slow-cure-803","title":"FP MOISTURE VAPOR BARRIER SLOW CURE 803","description":"\u003cp\u003eMoisture Vapor Barrier 803 SC is a two-component, slow-curing epoxy primer designed to reduce moisture vapor transmission through porous concrete. Its low-viscosity formula penetrates the substrate to promote strong adhesion while creating a durable barrier beneath moisture-sensitive flooring systems.\u003c\/p\u003e\n\u003cp\u003eThe extended working time makes 803 SC well suited for larger installations where contractors need additional time for mixing and application. It can be used beneath epoxy, polyaspartic, polyurethane, terrazzo, carpet, vinyl tile, wood flooring, and other compatible floor systems.\u003c\/p\u003e\n\u003cp\u003eProduct Details:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eKit size: 3 gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePart A: 2 gallons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePart B: 1 gallon\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMix ratio: 2:1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eColor: Clear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCoverage: Approximately 90 sq. ft. per gallon on porous concrete\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWorking time: Approximately 15–20 minutes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRecoat window: Approximately 12–24 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTack free: Approximately 4–6 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFoot traffic: Approximately 24 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVehicular traffic: Approximately 72 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-viscosity formula for concrete penetration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCreates a seamless moisture-blocking barrier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for professional concrete-flooring installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFor professional use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Florida Polymer","offers":[{"title":"Default Title","offer_id":47199530221622,"sku":null,"price":239.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5704\/9654\/files\/ChatGPTImageAug12_2026at10_43_28AM_2.png?v=1786545956","url":"https:\/\/floridapolymer.com\/products\/fp-moisture-vapor-barrier-slow-cure-803","provider":"Florida Polymer","version":"1.0","type":"link"}