{"product_id":"johns-manville-duct-insulation-1-1-2-in-x-24-in-x-48-in-fiberglass-board","title":"Johns Manville Duct Insulation — 1-1\/2 in x 24 in x 48 in Fiberglass Board","description":"\u003ch2\u003eProduct highlights\u003c\/h2\u003e\n\u003cp\u003eMeet the Johns Manville Duct Insulation, a fiberglass board designed to fit standard ductwork with a clean, silver finish. At 1-1\/2 inches thick and 24 inches wide, this 4-foot panel is sized for straightforward cutting and installation in many HVAC runs.\u003c\/p\u003e\n\u003cp\u003eIts 3 lb density and a practical R-value around 6.5 provide a reliable thermal barrier that helps reduce heat exchange during both heating and cooling seasons. The jacket is a Foil Scrim Kraft layer that shields the edges and contributes moisture management in typical duct environments. The faced and unfaced sides offer installation options depending on your duct configuration.\u003c\/p\u003e\n\u003ch3\u003eKey features at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFiberglass insulation board with 1-1\/2\" thickness and 24\" width (4 ft length).\u003c\/li\u003e\n  \u003cli\u003eDensity around 3 lbs per cubic foot, with a sturdy, lightweight profile.\u003c\/li\u003e\n  \u003cli\u003eApproximate R-value of 6.5 for standard duct applications.\u003c\/li\u003e\n  \u003cli\u003eJacket: Foil Scrim Kraft, finished in a silver color for a clean, professional look.\u003c\/li\u003e\n  \u003cli\u003eWide temperature tolerance from -32°F to 450°F on the unfaced side; -32°F to 150°F on the faced side.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical uses and benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVersatile for a range of blower and return duct configurations in residential or light commercial settings.\u003c\/li\u003e\n  \u003cli\u003eEasy to cut and fit into existing duct runs, helping streamline installation projects.\u003c\/li\u003e\n  \u003cli\u003eDurable outer jacket helps resist minor damage during handling in typical job sites.\u003c\/li\u003e\n  \u003cli\u003eStandard-compliant with a broad set of industry specifications for safer, consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: This product is suitable for board-style duct installations and is designed to meet common industry standards. For best results, match the thickness, width, and length to your duct dimensions and follow local codes and best practices.\u003c\/p\u003e\n\u003ch3\u003eQuality and compliance\u003c\/h3\u003e\n\u003cp\u003eManufactured to meet or exceed widely used standards, including ASTM C612 and related Type I and III classifications, as well as fire and safety benchmarks.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the exact dimensions of Johns Manville Duct Insulation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The board measures 1-1\/2 inches thick by 24 inches wide and 4 feet long.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which standards does this product comply with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It complies with ASTM C612, Type IA\/IB, C553, E-84, NFPA255, UL723, and related guidelines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JOHNS MANVILLE INTL","offers":[{"title":"Default Title","offer_id":53085464494191,"sku":"B00DBS955Y","price":52.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/johns-manville-duct-insulation-1-1-2in-thick.jpg?v=1778615464","url":"https:\/\/taskholt.com\/products\/johns-manville-duct-insulation-1-1-2-in-x-24-in-x-48-in-fiberglass-board","provider":"TaskHolt","version":"1.0","type":"link"}