{"product_id":"armstrong-s-463-50-lb-bag","title":"Armstrong S-463 Level Strong Self-Leveling Underlayment – 50 lb Bag","description":"\u003cp\u003e\u003cstrong\u003eArmstrong S-463 Level Strong Self-Leveling Underlayment\u003c\/strong\u003e (SKU S-463) is a cement-based, gray self-leveling underlayment mixed with plain water. It is ready for foot traffic in 2–3 hours and has a compressive strength of 5,300 psi after 28 days. This listing is for one \u003cstrong\u003e50 lb (22.7 kg) bag\u003c\/strong\u003e. Sold by the bag by Word of Mouth Floors — order exactly the quantity you need, no square-foot maths.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCoverage:\u003c\/strong\u003e 52–56 sq ft at 1\/8\" thick per bag (per Armstrong; actual coverage varies with the substrate and application).\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast\u003c\/strong\u003e — ready for foot traffic in 2–3 hours; approximately 10 minutes of flow time at 70°F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong\u003c\/strong\u003e — compressive strength of 5,300 psi (28 days).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture tolerant\u003c\/strong\u003e — unaffected by concrete moisture of up to 99% RH.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile thickness\u003c\/strong\u003e — 1\/16\" up to 1-1\/2\" on porous substrates (limit 1\/2\" on non-porous).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBest Applications\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eRecommended for:\u003c\/strong\u003e Overall leveling of concrete subfloors on any grade level, rapid-drying cement screeds, ceramic and quarry tile, epoxy coatings, terrazzo, non-water-soluble adhesive residues on concrete and S-462 Seal Strong, before installing Armstrong resilient flooring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot recommended for:\u003c\/strong\u003e Substrates that have not been properly cleaned, primed and prepared per the Armstrong data sheet and ASTM F-2873.\u003c\/p\u003e\n\u003ch3\u003eDetailed Specifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003eArmstrong\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003eS-463 Level Strong Self-Leveling Underlayment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003eS-463\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e50 lb Bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eSold By\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003eby the bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003eCement-based self-leveling compound, mixed with plain water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eUnit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e50 lb (22.7 kg) bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e52–56 sq ft at 1\/8\" thick per bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eMix ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e50 lb powder to 6 quarts of cold clean water for applications under 1\/4\"; 5.75 quarts for 1\/4\" and thicker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eFlow time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e10 minutes at 70°F (21°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eVOC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e\u003cstrong\u003eShelf life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:4px 12px;border-bottom:1px solid #eee\"\u003e1 year, unopened, stored cool and dry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical \u0026amp; Safety Data\u003c\/h3\u003e\u003cp\u003eTechnical Data Sheet - Click \u003ca href=\"https:\/\/www.armstrongflooring.com\/cdn\/datasheets\/afi\/S-463225159.pdf\"\u003eHere\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eSafety Data Sheet - Click \u003ca href=\"https:\/\/www.armstrongflooring.com\/cdn\/sds\/afi\/S-463225163.pdf\"\u003eHere\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003ePickup\u003c\/h3\u003e\u003cp\u003eAvailable for pickup from Buckwold warehouses in Delta BC, Edmonton AB, Calgary AB, Regina SK, Saskatoon SK and Winnipeg MB. Contact Word of Mouth Floors to confirm current availability at your nearest Buckwold location.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is Armstrong S-463 Level Strong Self-Leveling Underlayment?\u003c\/strong\u003e\u003cbr\u003eLevel Strong Self-Leveling Underlayment (S-463) is a cement-based, gray self-leveling underlayment mixed with plain water.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is this listing?\u003c\/strong\u003e\u003cbr\u003eThis listing is for one 50 lb (22.7 kg) bag, sold by the bag.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow much does it cover?\u003c\/strong\u003e\u003cbr\u003eArmstrong lists coverage of 52–56 sq ft at 1\/8\" thick per bag. Actual coverage varies with the substrate and application.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhere can I pick it up?\u003c\/strong\u003e\u003cbr\u003eAvailable for pickup from Buckwold warehouses in Delta BC, Edmonton AB, Calgary AB, Regina SK, Saskatoon SK and Winnipeg MB. Contact Word of Mouth Floors to confirm current availability at your nearest Buckwold location.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is Armstrong S-463 Level Strong Self-Leveling Underlayment?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Level Strong Self-Leveling Underlayment (S-463) is a cement-based, gray self-leveling underlayment mixed with plain water.\"}},{\"@type\":\"Question\",\"name\":\"What size is this listing?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This listing is for one 50 lb (22.7 kg) bag, sold by the bag.\"}},{\"@type\":\"Question\",\"name\":\"How much does it cover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Armstrong lists coverage of 52–56 sq ft at 1\/8\\\" thick per bag. Actual coverage varies with the substrate and application.\"}},{\"@type\":\"Question\",\"name\":\"Where can I pick it up?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Available for pickup from Buckwold warehouses in Delta BC, Edmonton AB, Calgary AB, Regina SK, Saskatoon SK and Winnipeg MB. Contact Word of Mouth Floors to confirm current availability at your nearest Buckwold location.\"}}]}\u003c\/script\u003e\n\u003ch3\u003eRelated Searches\u003c\/h3\u003e\u003cp\u003eself leveling underlayment · floor leveler · Armstrong Level Strong · concrete leveling compound · cement leveler for vinyl flooring · buy Armstrong flooring supplies online Canada\u003c\/p\u003e","brand":"BUCKWOLD","offers":[{"title":"50 lb Bag","offer_id":68284060074219,"sku":"S-463","price":162.29,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0503\/0330\/3873\/files\/armstrong-s-463-50-lb-bag.jpg?v=1793129319","url":"https:\/\/www.wordofmouthfloors.com\/products\/armstrong-s-463-50-lb-bag","provider":"Word of Mouth Floors","version":"1.0","type":"link"}