{"product_id":"moisture-vapor-barrier-floor-epoxy-primer-mvb-for-garages-basements-warehouses-retail-stores-choose-size","title":"Moisture Vapor Barrier Floor Epoxy Primer (MVB) for Garages, Basements, Warehouses, Retail Stores | Choose Size","description":"\u003cp\u003e*Note: Part (B) of the 1.5 gallon kit being redish colour is normal, once mixed with part (A), the mix will be clear when applied on your floor.\u003cbr\u003e\u003cbr\u003eOur \u003cstrong\u003eMoisture Vapour Barrier Epoxy\u003c\/strong\u003e is a premium two-component system designed to protect concrete surfaces from high moisture transmission and prepare them for long-lasting finishes. Engineered for professional contractors and DIY enthusiasts alike, this barrier epoxy creates a seamless, durable layer that prevents moisture-related issues such as bubbling, delamination, or adhesive failure in floor coverings and coatings.\u003c\/p\u003e\n\u003cp\u003eWith its advanced formulation, the epoxy primer penetrates deeply into concrete substrates, sealing pores and locking out vapour emissions. It serves as both a primer and protective coat, ensuring optimal adhesion for decorative epoxy, flakes, polyaspartic installations. This product is ideal for use in basements, garages, warehouses, and commercial spaces where high humidity or hydrostatic pressure often causes flooring problems.\u003c\/p\u003e\n\u003cp\u003eEasy to mix and apply with a roller or squeegee, the Moisture Vapor Barrier Epoxy (MVB) cures to a strong, glossy finish that withstands heavy traffic and resists chemicals, oils, and abrasions.\u003c\/p\u003e\n\u003cp\u003eProtect your investment and achieve flawless flooring results by starting with the right foundation — a reliable moisture barrier primer that ensures performance and longevity.\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDO I NEED AN MVB?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRun a plastic-sheet test \u003cstrong data-start=\"192\" data-end=\"214\"\u003eafter surface prep\u003c\/strong\u003e—e.g. after grinding (best) or an acid etch—and after ≥24–48 h of drying from any wet step (even a simple mop).\u003c\/p\u003e\n\u003cp\u003eSeal (with tape) an \u003cstrong data-start=\"359\" data-end=\"378\"\u003e18–24 in square\u003c\/strong\u003e of \u003cstrong data-start=\"382\" data-end=\"402\"\u003e6-mil clear poly\u003c\/strong\u003e \u003cstrong data-start=\"403\" data-end=\"420\"\u003e100% airtight\u003c\/strong\u003e for \u003cstrong data-start=\"425\" data-end=\"436\"\u003e24–48 h\u003c\/strong\u003e with doors closed.\u003c\/p\u003e\n\u003cul data-start=\"458\" data-end=\"692\"\u003e\n\u003cli data-start=\"458\" data-end=\"521\"\u003e\n\u003cp data-start=\"460\" data-end=\"521\"\u003e\u003cstrong data-start=\"460\" data-end=\"519\"\u003eCondensation or concrete darkening → use the MVB. Optimal: MVB, wait 8 hours -\u0026gt;  Floor Epoxy + Flakes, wait 12+ hours -\u0026gt; Polyaspartic\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"522\" data-end=\"692\"\u003e\n\u003cp data-start=\"524\" data-end=\"692\"\u003e\u003cstrong data-start=\"524\" data-end=\"591\"\u003eStays dry → go straight to floor epoxy base coat + flakes + top coat (Epoxy or Polyaspartic).\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTip: keep the slab \u003cstrong data-end=\"645\" data-start=\"613\"\u003e≥3 °C (5 °F) above dew point\u003c\/strong\u003e during the test to avoid “false” condensation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHOW TO USE\u003c\/strong\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eSurface preparation\u003c\/strong\u003e: Concrete should be clean, dry, and free from grease or oils; abrade the surface if very smooth or contaminated (e.g., diamond grinding), then thoroughly vacuum (Shop-Vac) and mop to remove dust.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1. \u003cspan style=\"text-decoration: underline;\"\u003eMIX:\u003c\/span\u003e\u003c\/strong\u003e Combine resin (Part A) and hardener (Part B) at a 2A:1B ratio by volume (e.g., 2 gallons resin + 1 gallon hardener). Stir thoroughly for 3 minutes using a helix mixer with a drill at low to medium speed, ensuring all sides, bottom, and corners are mixed. Proper mixing is crucial for a successful cure.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2. \u003cspan style=\"text-decoration: underline;\"\u003ePOUR \u0026amp; SPREAD:\u003c\/span\u003e \u003c\/strong\u003eImmediately pour the mixture evenly across your concrete surface (approx. 115 sq.ft. per gallon). Spread quickly and evenly using a squeegee, then use a 3\/8-inch short-nap roller to ensure good penetration into the concrete’s pores. Avoid leaving mixed product in the container, as it can harden within 15 minutes.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3. \u003cspan style=\"text-decoration: underline;\"\u003eNEXT STEPS:\u003c\/span\u003e \u003c\/strong\u003eAllow the MVB to cure depending on your next coat:\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e \u003cstrong\u003eEpoxy Top Coat\u003c\/strong\u003e: After 8–10 hours, when the MVB is slightly tacky but mostly dry, apply our floor epoxy directly. Follow the instructions provided with your epoxy product.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyaspartic Top Coat\u003c\/strong\u003e: Ideally wait 24 hours, lightly scuff the MVB surface (180–220 grit sandpaper or Scotch-Brite pads), then apply polyaspartic. (If time-constrained, you may apply polyaspartic after 10–12 hours when MVB is no longer tacky but still soft enough for adhesion.) Follow the instructions provided with your polyaspartic product.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplying Flakes\u003c\/strong\u003e: After 8–10 hours, once the MVB feels slightly tacky yet mostly dry, apply our floor epoxy, incorporating a color pigment that complements the predominant hue of your flakes. Immediately broadcast the flakes across the surface on the wet epoxy. Allow 12+ hours to pass before applying your clear epoxy or polyaspartic topcoat, following their specific instructions.\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Magic Resin USA","offers":[{"title":"1.5 Gallon (5.7 L)","offer_id":47353920454819,"sku":"47353920454819","price":99.95,"currency_code":"USD","in_stock":true},{"title":"3 Gallon (11.4 L)","offer_id":47353920487587,"sku":"47353920487587","price":169.95,"currency_code":"USD","in_stock":true},{"title":"6 Gallon (22.8 L)","offer_id":47353920520355,"sku":"47353920520355","price":319.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0300\/4494\/6491\/files\/1.5gMVB.jpg?v=1771430388","url":"https:\/\/checkout.magicresin.com\/products\/moisture-vapor-barrier-floor-epoxy-primer-mvb-for-garages-basements-warehouses-retail-stores-choose-size","provider":"Magic Resin USA","version":"1.0","type":"link"}