{"product_id":"gaf-silicone-mastic-white-3-5-gallon-pail","title":"GAF Silicone Mastic, White — 3.5 Gallon Pail","description":"\n    \u003ch1\u003eGAF Silicone Mastic Sealant, White (3.5 Gal)\u003c\/h1\u003e\n    \u003cp\u003e\u003cstrong\u003eProfessional-grade, thick silicone mastic designed for flashing and detail work. Low-odor, fast moisture-cure formula adheres strongly to a wide range of roofing substrates.\u003c\/strong\u003e\u003c\/p\u003e\n    \u003chr\u003e\n    \u003ch2\u003eKey Features:\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHigh-Build Silicone Sealant:\u003c\/strong\u003e Thick consistency for robust coverage on seams, penetrations, and flashing details\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Application:\u003c\/strong\u003e Low odor and smooth tooling help speed installs on the jobsite\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Moisture Cure:\u003c\/strong\u003e Cures quickly to reduce downtime and return roofs to service faster\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Multi-Surface Adhesion:\u003c\/strong\u003e Formulated to bond to a variety of common roofing substrates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTested Performance:\u003c\/strong\u003e Meets ASTM D1644, D2697, and D2370 standards\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \n    \u003chr\u003e\n    \u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n                \u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.5 Gallon Pail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASTM D1644; ASTM D2697; ASTM D2370\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e891402WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGAFSM35WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdhesives, Caulks \u0026amp; Sealants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA thick, high-build silicone sealant featuring low odor, easy application, fast moisture cure, and enhanced adhesion to a variety of substrates.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003chr\u003e\n    \u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What is the color of this silicone mastic?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e White.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: How much product is in the container?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e 3.5-gallon pail.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: What standards does it meet?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e ASTM D1644, ASTM D2697, and ASTM D2370.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Where is it typically used?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e For flashing, seams, penetrations, and detail repairs on compatible roofing systems.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003cp\u003e\u003cstrong\u003eQ: Does it have strong odor?\u003c\/strong\u003e\u003cbr\u003e\n    \u003cstrong\u003eA:\u003c\/strong\u003e No—it's a low-odor formula for easier application.\u003c\/p\u003e\n    \u003chr\u003e\n    \n    \u003ch2\u003eSculpted Protection with a Clean, Architectural Finish\u003c\/h2\u003e\n    \u003cp\u003eThis silicone mastic draws a crisp, modern line around roof penetrations and edges, bringing order and polish to functional details. I love the dense, high-build body—it lays down with confidence and dries into a sleek, resilient skin. Use it to frame flashing and seams with a refined, white accent that feels intentional. It’s a quiet essential—performance-forward and luxuriously reliable.\u003c\/p\u003e\n    \n    \u003chr\u003e\n    \u003cp\u003e\u003cstrong\u003eSeal critical roof details with confidence—choose this GAF Silicone Mastic for fast-curing, durable adhesion that lasts.\u003c\/strong\u003e\u003c\/p\u003e\n    \n    \n    ","brand":"GAF","offers":[{"title":"Default Title","offer_id":52396194857327,"sku":"721509","price":209.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/721509_default_hero_77bcca23-1ac8-4288-8577-5967d8a6c305.jpg?v=1763096616","url":"https:\/\/soporarbor.shop\/products\/gaf-silicone-mastic-white-3-5-gallon-pail","provider":"Super Arbor","version":"1.0","type":"link"}