{"product_id":"chemlink-m1-universal-adhesive-sealant","title":"CHEM LINK M-1® Universal Adhesive \u0026 Sealant | Waterproof Construction Adhesive","description":"\u003c!-- CHEM LINK M-1 | Shopify Custom Liquid block or product description HTML --\u003e\n\u003cstyle\u003e\n#m1-chemlink{--m1-blue:#0074c8;--m1-green:#007b35;--m1-gray:#d0d3d5;--m1-pale:#f2f5f6;--m1-ink:#202830;--m1-line:#dce4e8;color:var(--m1-ink);font-family:inherit;max-width:1200px;margin:auto;line-height:1.65;font-size:16px}\n#m1-chemlink *{box-sizing:border-box}#m1-chemlink h2,#m1-chemlink h3{line-height:1.25;letter-spacing:normal;margin:0 0 14px}#m1-chemlink h2{font-size:clamp(24px,3vw,34px)}#m1-chemlink h3{font-size:20px}#m1-chemlink p{margin:0 0 14px}#m1-chemlink ul,#m1-chemlink ol{padding-left:22px;margin:8px 0 14px}#m1-chemlink li{margin-bottom:7px}#m1-chemlink a{text-decoration:none}#m1-chemlink .m1-section{margin:32px 0}#m1-chemlink .m1-pad{padding:clamp(21px,3.5vw,40px)}#m1-chemlink 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.m1-card{padding:18px}}\n\/* Force these two requested areas to remain one column at every screen size. *\/\n#m1-chemlink .m1-stacked-panels,#m1-chemlink .m1-standards-stack{display:flex;flex-direction:column;gap:20px}\n#m1-chemlink .m1-full-panel{width:100%;min-width:0}\n#m1-chemlink .m1-standards-stack .m1-docs-panel{padding-top:20px;border-top:1px solid var(--m1-line)}\n#m1-chemlink .m1-standards-stack .m1-btns{align-items:flex-start}\n\u003c\/style\u003e\n\u003cdiv id=\"m1-chemlink\"\u003e\n\u003csection class=\"m1-section m1-hero m1-pad m1-round\"\u003e\u003cspan class=\"m1-kicker m1-white\"\u003eCHEM LINK by SOPREMA · Made in the USA\u003c\/span\u003e\n\u003ch2\u003eM-1® Universal Adhesive \u0026amp; Sealant\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-strength, flexible, waterproof construction adhesive and sealant for roofing, concrete, metal, wood and masonry.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCHEM LINK M-1 is a professional-grade, moisture-curing structural adhesive and sealant. Its silyl-terminated polyether (STPE) technology combines strong adhesion with the flexibility to create a tough, elastic waterproof seal on a wide range of compatible building materials.\u003c\/p\u003e\n\u003cdiv class=\"m1-pills\"\u003e\n\u003cspan class=\"m1-pill\"\u003e100% Solids\u003c\/span\u003e\u003cspan class=\"m1-pill\"\u003eNon-Sag\u003c\/span\u003e\u003cspan class=\"m1-pill\"\u003eLow VOC\u003c\/span\u003e\u003cspan class=\"m1-pill\"\u003eUV Stable\u003c\/span\u003e\u003cspan class=\"m1-pill\"\u003eASTM C920 Class 35\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section\"\u003e\u003cspan class=\"m1-kicker\" style=\"color: var(--m1-green);\"\u003eWhy choose M-1?\u003c\/span\u003e\n\u003ch2\u003eProfessional Construction Adhesive \u0026amp; Sealant Benefits\u003c\/h2\u003e\n\u003cdiv class=\"m1-grid m1-grid-3\"\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eHigh-Strength Adhesion\u003c\/h3\u003e\n\u003cp\u003e370 psi tensile strength and 390 psi shear strength in the manufacturer's laboratory testing.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eWaterproof Seal\u003c\/h3\u003e\n\u003cp\u003eForms a tough, elastic waterproof seal for properly prepared, compatible construction materials.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eFlexible Joint Movement\u003c\/h3\u003e\n\u003cp\u003eASTM C920 Class 35 performance and SWRI validation for ±35% joint movement.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eMulti-Surface Bonding\u003c\/h3\u003e\n\u003cp\u003eAdheres to compatible concrete, brick, wood, glass, aluminum, metal and roofing materials.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eLow-Odor \u0026amp; Solvent-Free\u003c\/h3\u003e\n\u003cp\u003e100% solids, VOC content below 24 g\/L, and formulated without isocyanates.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eEasy to Apply\u003c\/h3\u003e\n\u003cp\u003eNon-sag formula for vertical or overhead work; paintable after 24 hours.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section m1-soft m1-pad m1-round\"\u003e\u003cspan class=\"m1-kicker\" style=\"color: var(--m1-blue);\"\u003ePublished performance\u003c\/span\u003e\n\u003ch2\u003eM-1 Technical Performance at a Glance\u003c\/h2\u003e\n\u003cp\u003eManufacturer laboratory values help contractors, architects, specifiers and purchasing teams evaluate M-1 for a project.\u003c\/p\u003e\n\u003cdiv class=\"m1-stats\"\u003e\n\u003cdiv class=\"m1-stat\"\u003e\n\u003cb\u003e370 psi\u003c\/b\u003e\u003cspan\u003eTensile strength\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-stat\"\u003e\n\u003cb\u003e390 psi\u003c\/b\u003e\u003cspan\u003eShear strength\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-stat\"\u003e\n\u003cb\u003e525%\u003c\/b\u003e\u003cspan\u003eElongation at break\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-stat\"\u003e\n\u003cb\u003e±35%\u003c\/b\u003e\u003cspan\u003eValidated joint movement\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section\"\u003e\u003cspan class=\"m1-kicker\" style=\"color: var(--m1-green);\"\u003eConstruction applications\u003c\/span\u003e\n\u003ch2\u003eWhere Can CHEM LINK M-1 Be Used?\u003c\/h2\u003e\n\u003cp\u003eM-1 is designed for bonding and sealing compatible materials in commercial, industrial and residential construction.\u003c\/p\u003e\n\u003cdiv class=\"m1-grid m1-grid-2\"\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eRoofing \u0026amp; Waterproofing\u003c\/h3\u003e\n\u003cp\u003eFor compatible roof flashing, copings, skylights, HVAC surfaces and roofing materials. TPO membranes require the specified primer; EPDM requires adhesion testing.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eConcrete \u0026amp; Masonry\u003c\/h3\u003e\n\u003cp\u003eFor bonding and sealing compatible concrete, brick and block surfaces, including joints that require flexible waterproof sealing.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eMetal, Aluminum \u0026amp; HVAC\u003c\/h3\u003e\n\u003cp\u003eFor properly prepared galvanized metal, aluminum, brass and copper used in flashing, coping and HVAC construction details.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003carticle class=\"m1-card\"\u003e\n\u003ch3\u003eWood \u0026amp; General Construction\u003c\/h3\u003e\n\u003cp\u003eFor compatible clean, sound, dry wood and general building materials. Do not use on fire-retardant lumber.\u003c\/p\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section\"\u003e\n\u003cdiv class=\"m1-bluehead\"\u003e\n\u003ch2\u003eCHEM LINK M-1 Technical Specifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-spec-wrap\"\u003e\n\u003ctable class=\"m1-spec\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eManufacturer data\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eCHEM LINK by SOPREMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct chemistry\u003c\/td\u003e\n\u003ctd\u003eSilyl-terminated polyether (STPE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCure mechanism\u003c\/td\u003e\n\u003ctd\u003eMoisture-curing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC content\u003c\/td\u003e\n\u003ctd\u003eLess than 24 g\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile strength\u003c\/td\u003e\n\u003ctd\u003e370 psi (2,550 kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShear strength\u003c\/td\u003e\n\u003ctd\u003e390 psi (2,690 kPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElongation at break\u003c\/td\u003e\n\u003ctd\u003e525%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShore A hardness\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJoint movement\u003c\/td\u003e\n\u003ctd\u003eASTM C920 Class 35; SWRI validated ±35%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSkin-over time\u003c\/td\u003e\n\u003ctd\u003eApproximately 20 minutes (sell sheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTack-free time\u003c\/td\u003e\n\u003ctd\u003e35 ± 10 minutes at stated test conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTypical full cure\u003c\/td\u003e\n\u003ctd\u003eWithin 24 hours; varies with conditions and bead depth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum application temperature\u003c\/td\u003e\n\u003ctd\u003e32°F (0°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService temperature\u003c\/td\u003e\n\u003ctd\u003e-40°F to 200°F (approximately -40°C to 93°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePaintable\u003c\/td\u003e\n\u003ctd\u003eAfter 24 hours (verify coating compatibility)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFire classification\u003c\/td\u003e\n\u003ctd\u003eASTM E84 Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufactured in\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c!-- Full-width stacked substrate and preparation panels; no two-column layout --\u003e\n\u003csection class=\"m1-section m1-stacked-panels\"\u003e\n\u003cdiv class=\"m1-soft m1-pad m1-round m1-full-panel\"\u003e\n\u003ch2\u003eCompatible Substrates\u003c\/h2\u003e\n\u003cul class=\"m1-checks\"\u003e\n\u003cli\u003eConcrete, brick and block masonry\u003c\/li\u003e\n\u003cli\u003eWood and glass\u003c\/li\u003e\n\u003cli\u003eAluminum and galvanized metal\u003c\/li\u003e\n\u003cli\u003eBrass, copper and engineered plastics\u003c\/li\u003e\n\u003cli\u003ePVC, SBS and APP-modified bitumen roofing materials\u003c\/li\u003e\n\u003cli\u003eEPDM roofing membranes — adhesion testing required\u003c\/li\u003e\n\u003cli\u003eTPO roofing membranes — specialized primer required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-pad m1-round m1-full-panel\" style=\"background: #e9f4ec;\"\u003e\n\u003ch2\u003eImportant Surface Preparation Notes\u003c\/h2\u003e\n\u003cp\u003eRemove contamination, frost, rust, loose material and standing water before sealing. Test adhesion to confirm compatibility with the application.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTPO:\u003c\/strong\u003e CHEM LINK specifies LOW-VOC EPDM\/TPO Primer F1280 LVOC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWood:\u003c\/strong\u003e Do not use on fire-retardant lumber. Allow treated lumber to weather for six months, following manufacturer guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConcrete:\u003c\/strong\u003e Remove release agents, loose concrete and visible standing water before applying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section\"\u003e\u003cspan class=\"m1-kicker\" style=\"color: var(--m1-blue);\"\u003eInstaller guidance\u003c\/span\u003e\n\u003ch2\u003eHow to Apply M-1 Universal Adhesive \u0026amp; Sealant\u003c\/h2\u003e\n\u003cdiv class=\"m1-steps\"\u003e\n\u003cdiv class=\"m1-step\"\u003e\n\u003cspan class=\"m1-circle\"\u003e1\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrepare the surface\u003c\/strong\u003eRemove dust, oils, rust, frost, standing water and incompatible coatings; follow substrate-specific preparation guidance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-step\"\u003e\n\u003cspan class=\"m1-circle\"\u003e2\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eVerify adhesion and primer needs\u003c\/strong\u003eTest substrate adhesion where needed. Use CHEM LINK F1280 LVOC primer for TPO roofing membrane.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-step\"\u003e\n\u003cspan class=\"m1-circle\"\u003e3\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePrepare the cartridge\u003c\/strong\u003eCut the nozzle and use a professional-grade 26:1 high-thrust caulking gun for cartridges.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-step\"\u003e\n\u003cspan class=\"m1-circle\"\u003e4\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eApply a continuous bead\u003c\/strong\u003eGun the sealant smoothly onto the prepared substrate.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-step\"\u003e\n\u003cspan class=\"m1-circle\"\u003e5\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTool within 15 minutes\u003c\/strong\u003eFinish the bead to promote proper attachment and a uniform seal.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-step\"\u003e\n\u003cspan class=\"m1-circle\"\u003e6\u003c\/span\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProtect while curing\u003c\/strong\u003eTypical full cure is within 24 hours, depending on bead depth, temperature and humidity. Prevent movement and debris until cured.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"m1-note\"\u003eThese are condensed instructions. Consult the full CHEM LINK Sealant Application Technical Bulletin before installation.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- Full-width stacked standards and downloads; no two-column layout --\u003e\n\u003csection class=\"m1-section\"\u003e\n\u003cdiv class=\"m1-greenhead\"\u003e\n\u003ch2\u003ePerformance Standards \u0026amp; Technical Documentation\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-soft m1-pad m1-standards-stack\" style=\"border-radius: 0 0 12px 12px;\"\u003e\n\u003cdiv class=\"m1-full-panel\"\u003e\n\u003ch3\u003ePublished Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eASTM C920, Type S, Grade NS, Class 35\u003c\/li\u003e\n\u003cli\u003eASTM E84, Class A\u003c\/li\u003e\n\u003cli\u003eASTM D4586 — meets or exceeds\u003c\/li\u003e\n\u003cli\u003eSWRI validated\u003c\/li\u003e\n\u003cli\u003eFederal TT-S-00230-C Type II, Class B\u003c\/li\u003e\n\u003cli\u003eCanadian Standards Board CAN 19, 13-M82\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"m1-full-panel m1-docs-panel\"\u003e\n\u003ch3\u003eManufacturer PDF Downloads\u003c\/h3\u003e\n\u003cp\u003eAccess the official manufacturer documentation for M-1, including product specifications, application guidance, VOC emissions testing and safety information. All documents open in a new tab.\u003c\/p\u003e\n\u003cdiv class=\"m1-btns\"\u003e\n\u003ca class=\"m1-btn\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0425\/0402\/8316\/files\/M-1_Tube_Datasheet.pdf?v=1791469203\" rel=\"noopener noreferrer\" type=\"application\/pdf\" target=\"_blank\"\u003eM-1 Technical Data Sheet ↗\u003c\/a\u003e \u003ca class=\"m1-btn m1-btn-outline\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0425\/0402\/8316\/files\/M-1_Tube_Sell_Sheet.pdf?v=1791469204\" rel=\"noopener noreferrer\" type=\"application\/pdf\" target=\"_blank\"\u003eM-1 Sell Sheet ↗\u003c\/a\u003e \u003ca class=\"m1-btn m1-btn-outline\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0425\/0402\/8316\/files\/M-1_Chem_Link_Adhesive_Sealant_VOC_Emission_Test_Certificate.pdf?v=1791472071\" rel=\"noopener noreferrer\" type=\"application\/pdf\" target=\"_blank\"\u003eVOC Emission Test Certificate ↗\u003c\/a\u003e \u003ca class=\"m1-btn m1-btn-outline\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0425\/0402\/8316\/files\/M-1_Chem_Link_Adhesive_Sealant_Safety_Data.pdf?v=1791472070\" rel=\"noopener noreferrer\" type=\"application\/pdf\" target=\"_blank\"\u003eSafety Data Sheet (English) ↗\u003c\/a\u003e \u003ca class=\"m1-btn m1-btn-outline\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0425\/0402\/8316\/files\/SDS_-_M-1_Adhesive_CA-FR_2025.pdf?v=1791472223\" rel=\"noopener noreferrer\" type=\"application\/pdf\" lang=\"fr-CA\" target=\"_blank\"\u003eFiche de données de sécurité (Français – Canada) ↗\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"m1-note\"\u003eThe supplied manufacturer data sheet also references Miami-Dade NOA 19-0709.02 and Florida Building Code FL9779; verify current approval status, validity and project applicability. The referenced product data sheet is scoped to products sold in the U.S. market.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section m1-highlight m1-pad m1-round\"\u003e\u003cspan class=\"m1-kicker m1-white\"\u003eContractors · Builders · Procurement teams\u003c\/span\u003e\n\u003ch2\u003eNeed M-1 for a Commercial Construction Project?\u003c\/h2\u003e\n\u003cp\u003eReview CHEM LINK's technical documentation and contact ComposiGrip about product availability, order quantities and project requirements. Specify your required cartridge or packaging format and colour when enquiring.\u003c\/p\u003e\n\u003cdiv class=\"m1-btns\"\u003e\n\u003ca class=\"m1-btn\" href=\"https:\/\/composigrip.com\/pages\/contact\" style=\"background: #fff; border-color: #fff; color: #006c33!important;\"\u003eContact ComposiGrip ↗\u003c\/a\u003e\u003ca class=\"m1-btn\" href=\"https:\/\/composigrip.com\/\" style=\"background: transparent; border-color: #fff;\"\u003eBrowse ComposiGrip ↗\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section m1-faq\"\u003e\u003cspan class=\"m1-kicker\" style=\"color: var(--m1-green);\"\u003eM-1 product and application FAQ\u003c\/span\u003e\n\u003ch2\u003eFrequently Asked Questions About CHEM LINK M-1\u003c\/h2\u003e\n\u003cp\u003eTechnical answers for contractors, roofers, building owners, estimators and construction purchasing teams.\u003c\/p\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is CHEM LINK M-1 used for?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eM-1 is a moisture-curing structural adhesive and waterproof sealant used to bond and seal compatible concrete, masonry, wood, metal, glass, roofing materials, skylights, flashing, copings and HVAC surfaces.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs CHEM LINK M-1 waterproof?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eYes. When correctly applied to compatible, properly prepared surfaces, M-1 forms a tough, elastic waterproof seal.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs M-1 a silicone or polyurethane sealant?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eNeither. M-1 is based on silyl-terminated polyether (STPE) technology and is formulated without isocyanates.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan M-1 be applied to damp surfaces?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eThe manufacturer states that M-1 can be applied under suitable wet and dry conditions. Prepare the substrate correctly and remove visible standing water before application.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long does CHEM LINK M-1 take to cure?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eFull cure is typically reached within 24 hours, but humidity, temperature and bead depth affect the actual time. The sell sheet lists approximately 20 minutes for skin-over.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan M-1 be used on concrete?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eYes. M-1 is compatible with properly prepared concrete and masonry. Remove release agents, loose material and standing water, and confirm adhesion for the project.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes M-1 require a primer?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eMost applications do not require a primer. However, TPO roofing membranes require CHEM LINK LOW-VOC EPDM\/TPO Primer F1280 LVOC, and EPDM requires adhesion testing.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan CHEM LINK M-1 be painted?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eYes. It may be painted after 24 hours, subject to compatibility of the coating.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs M-1 suitable for outdoor use?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eYes. M-1 is UV-stable and designed for compatible exterior bonding and sealing applications, with a published service temperature range of approximately -40°F to 200°F.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs M-1 solvent-free and low-VOC?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eYes. It is a solvent-free, 100% solids formulation with published VOC content below 24 g\/L and contains no isocyanates.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs M-1 used in commercial construction?\u003c\/summary\u003e\n\u003cdiv class=\"m1-answer\"\u003eM-1 is intended for professional construction bonding and sealing. The manufacturer reports ASTM C920 Class 35 performance, ASTM E84 Class A classification and SWRI validation. Confirm suitability for project specifications.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection class=\"m1-section m1-soft m1-pad m1-round\"\u003e\n\u003ch2\u003eBuy CHEM LINK M-1 Universal Adhesive \u0026amp; Sealant\u003c\/h2\u003e\n\u003cp\u003eChoose M-1 for high-strength bonding and flexible, waterproof sealing across compatible commercial, residential and industrial building materials. Select your available product variant above and review the manufacturer's technical documents before installation.\u003c\/p\u003e\n\u003cp class=\"m1-note\"\u003eBrand: CHEM LINK by SOPREMA · Product: M-1 Universal Adhesive \u0026amp; Sealant · Made in USA\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Ecoglo","offers":[{"title":"Default Title","offer_id":47849215426716,"sku":null,"price":12.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0425\/0402\/8316\/files\/M-1_Chem_Link_Adhesive_Sealant.jpg?v=1791468605","url":"https:\/\/composigrip.com\/products\/chemlink-m1-universal-adhesive-sealant","provider":"ComposiGrip","version":"1.0","type":"link"}