{"product_id":"rectorseal-metacaulk®-mc-150-firestop-sealant-red-10-3-oz-cartridge","title":"RectorSeal Metacaulk® MC 150+ Firestop Sealant – Red, 10.3 oz Cartridge","description":"\u003cp data-start=\"75\" data-end=\"502\" class=\"PDq2pG_selectionAnchorContainer\"\u003eProtect critical penetrations and construction joints with \u003cstrong data-start=\"134\" data-end=\"167\"\u003eRectorSeal Metacaulk® MC 150+\u003c\/strong\u003e, a professional-grade intumescent firestop sealant engineered to help stop the spread of fire, smoke, hot gases, and water in fire-rated assemblies. Designed for commercial and residential construction, this versatile sealant provides dependable fire protection while remaining flexible enough to accommodate normal building movement.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"504\" data-end=\"986\"\u003eIts \u003cstrong data-start=\"508\" data-end=\"540\"\u003ewater-based, non-sag formula\u003c\/strong\u003e is easy to apply using a standard caulking gun and requires no mixing, making installation fast and efficient. Once cured, it forms a durable, paintable elastomeric seal with excellent adhesion to concrete, gypsum board, wood, metal, fiberglass, plastic pipes, and cable penetrations. The flexible formulation is also re-enterable, allowing future modifications without replacing the entire firestop system. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"988\" data-end=\"1338\"\u003eTested to provide \u003cstrong data-start=\"1006\" data-end=\"1042\"\u003eup to 4 hours of fire protection\u003c\/strong\u003e in approved systems, \u003cstrong data-start=\"1064\" data-end=\"1086\"\u003eMetacaulk® MC 150+\u003c\/strong\u003e is an economical solution trusted by contractors for sealing construction joints, pipe penetrations, cable openings, and other fire-rated applications where code compliance and long-term performance are essential. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"ycgkk5\" data-start=\"1340\" data-end=\"1356\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul data-start=\"1358\" data-end=\"1924\"\u003e\n\u003cli data-section-id=\"j4aowi\" data-start=\"1358\" data-end=\"1410\"\u003eUp to \u003cstrong data-start=\"1366\" data-end=\"1392\"\u003e4-hour fire protection\u003c\/strong\u003e in tested systems\u003c\/li\u003e\n\u003cli data-section-id=\"1azvwo9\" data-start=\"1411\" data-end=\"1478\"\u003eIntumescent formula helps block fire, smoke, hot gases, and water\u003c\/li\u003e\n\u003cli data-section-id=\"jco5dh\" data-start=\"1479\" data-end=\"1530\"\u003eWater-based, non-sag sealant for easy application\u003c\/li\u003e\n\u003cli data-section-id=\"12uj0cl\" data-start=\"1531\" data-end=\"1589\"\u003eFlexible elastomeric seal accommodates building movement\u003c\/li\u003e\n\u003cli data-section-id=\"1v9akg\" data-start=\"1590\" data-end=\"1614\"\u003ePaintable after curing\u003c\/li\u003e\n\u003cli data-section-id=\"jze3y7\" data-start=\"1615\" data-end=\"1694\"\u003eExcellent adhesion to concrete, drywall, wood, metal, fiberglass, and plastic\u003c\/li\u003e\n\u003cli data-section-id=\"jkpnpr\" data-start=\"1695\" data-end=\"1747\"\u003eRe-enterable and repairable for future maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"14zcw0a\" data-start=\"1748\" data-end=\"1794\"\u003eVOC compliant with mold-resistant protection\u003c\/li\u003e\n\u003cli data-section-id=\"alk3oe\" data-start=\"1795\" data-end=\"1854\"\u003eSTC Rating up to \u003cstrong data-start=\"1814\" data-end=\"1820\"\u003e65\u003c\/strong\u003e for improved acoustic performance\u003c\/li\u003e\n\u003cli data-section-id=\"msurr4\" data-start=\"1855\" data-end=\"1924\"\u003eMinimum \u003cstrong data-start=\"1865\" data-end=\"1886\"\u003e3-year shelf life\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1cdzs8q\" data-start=\"1926\" data-end=\"1954\"\u003eRecommended Applications\u003c\/h3\u003e\n\u003cul data-start=\"1956\" data-end=\"2264\"\u003e\n\u003cli data-section-id=\"1gypnlv\" data-start=\"1956\" data-end=\"1988\"\u003eFire-rated construction joints\u003c\/li\u003e\n\u003cli data-section-id=\"1wfb8tm\" data-start=\"1989\" data-end=\"2031\"\u003eThrough-penetrations in walls and floors\u003c\/li\u003e\n\u003cli data-section-id=\"omftws\" data-start=\"2032\" data-end=\"2058\"\u003eEMT conduit penetrations\u003c\/li\u003e\n\u003cli data-section-id=\"1md12zc\" data-start=\"2059\" data-end=\"2108\"\u003eMetal, fiberglass, insulated, and plastic pipes\u003c\/li\u003e\n\u003cli data-section-id=\"13rb9br\" data-start=\"2109\" data-end=\"2156\"\u003ePower, telephone, and data cable penetrations\u003c\/li\u003e\n\u003cli data-section-id=\"13n2kf7\" data-start=\"2157\" data-end=\"2181\"\u003eGypsum wall assemblies\u003c\/li\u003e\n\u003cli data-section-id=\"m6y0iy\" data-start=\"2182\" data-end=\"2209\"\u003eConcrete floors and walls\u003c\/li\u003e\n\u003cli data-section-id=\"19rhi4a\" data-start=\"2210\" data-end=\"2264\"\u003eCommercial, industrial, and multifamily construction\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Firestop Depot","offers":[{"title":"Default Title","offer_id":54224061038958,"sku":"RS-MC150-10OZ","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/8471\/9726\/files\/RectorSealMetacaulk_MC150_FirestopSealant_Red_10.3ozCartridge_2.webp?v=1782793020","url":"https:\/\/firestopdepot.com\/products\/rectorseal-metacaulk%c2%ae-mc-150-firestop-sealant-red-10-3-oz-cartridge","provider":"Firestop Depot","version":"1.0","type":"link"}