{"product_id":"johns-manville-r31-42-66-sq-ft-unfaced-fibreglass-batt-insulation","title":"Johns Manville R31 Unfaced Fibreglass Batt Insulation","description":"\u003cp data-start=\"65\" data-end=\"366\"\u003e\u003cstrong data-start=\"65\" data-end=\"87\"\u003eR-31 JM insulation\u003c\/strong\u003e is a high-performance fiberglass batt insulation produced by \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eJohns Manville\u003c\/span\u003e\u003c\/span\u003e. It is designed to provide \u003cstrong data-start=\"214\" data-end=\"246\"\u003eexcellent thermal resistance\u003c\/strong\u003e, making it ideal for insulating \u003cstrong data-start=\"279\" data-end=\"319\"\u003eattics, ceilings, and floor cavities\u003c\/strong\u003e in residential and light commercial buildings.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5stxc5\" data-start=\"368\" data-end=\"387\"\u003eWhat R-31 Means\u003c\/h3\u003e\n\u003cp data-start=\"388\" data-end=\"455\"\u003eThe \u003cstrong data-start=\"392\" data-end=\"403\"\u003eR-value\u003c\/strong\u003e measures how well insulation resists heat transfer.\u003c\/p\u003e\n\u003cul data-start=\"457\" data-end=\"694\"\u003e\n\u003cli data-section-id=\"1wi9sns\" data-start=\"457\" data-end=\"537\"\u003e\n\u003cp data-start=\"459\" data-end=\"537\"\u003e\u003cstrong data-start=\"459\" data-end=\"467\"\u003eR-31\u003c\/strong\u003e offers strong thermal performance for attic and ceiling insulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"fbop0i\" data-start=\"538\" data-end=\"618\"\u003e\n\u003cp data-start=\"540\" data-end=\"618\"\u003eHigher R-values help reduce \u003cstrong data-start=\"568\" data-end=\"615\"\u003eheat loss in winter and heat gain in summer\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"m9asyt\" data-start=\"619\" data-end=\"694\"\u003e\n\u003cp data-start=\"621\" data-end=\"694\"\u003eProper insulation helps improve \u003cstrong data-start=\"653\" data-end=\"693\"\u003eenergy efficiency and indoor comfort\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"7zpkrf\" data-start=\"696\" data-end=\"725\"\u003eMaterial and Construction\u003c\/h3\u003e\n\u003cp data-start=\"726\" data-end=\"920\"\u003eR-31 insulation is made from \u003cstrong data-start=\"755\" data-end=\"776\"\u003efiberglass fibers\u003c\/strong\u003e that trap air and slow heat movement. The insulation comes in \u003cstrong data-start=\"839\" data-end=\"856\"\u003epre-cut batts\u003c\/strong\u003e, allowing quick installation between joists or framing members.\u003c\/p\u003e\n\u003cp data-start=\"922\" data-end=\"943\"\u003eKey features include:\u003c\/p\u003e\n\u003cul data-start=\"945\" data-end=\"1106\"\u003e\n\u003cli data-section-id=\"19i9i14\" data-start=\"945\" data-end=\"975\"\u003e\n\u003cp data-start=\"947\" data-end=\"975\"\u003e\u003cstrong data-start=\"947\" data-end=\"975\"\u003eLightweight and flexible\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lul4rt\" data-start=\"976\" data-end=\"1008\"\u003e\n\u003cp data-start=\"978\" data-end=\"1008\"\u003e\u003cstrong data-start=\"978\" data-end=\"1008\"\u003eNon-combustible fiberglass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"nnmhkm\" data-start=\"1009\" data-end=\"1042\"\u003e\n\u003cp data-start=\"1011\" data-end=\"1042\"\u003e\u003cstrong data-start=\"1011\" data-end=\"1042\"\u003eMoisture and mold resistant\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1hkdufi\" data-start=\"1043\" data-end=\"1075\"\u003e\n\u003cp data-start=\"1045\" data-end=\"1075\"\u003e\u003cstrong data-start=\"1045\" data-end=\"1075\"\u003eExcellent sound absorption\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14bzzif\" data-start=\"1076\" data-end=\"1106\"\u003e\n\u003cp data-start=\"1078\" data-end=\"1106\"\u003e\u003cstrong data-start=\"1078\" data-end=\"1106\"\u003eLong-lasting and durable\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"xx0hya\" data-start=\"1108\" data-end=\"1131\"\u003eCommon Applications\u003c\/h3\u003e\n\u003cp data-start=\"1132\" data-end=\"1171\"\u003eR-31 JM insulation is commonly used in:\u003c\/p\u003e\n\u003cul data-start=\"1173\" data-end=\"1302\"\u003e\n\u003cli data-section-id=\"1g0ext4\" data-start=\"1173\" data-end=\"1191\"\u003e\n\u003cp data-start=\"1175\" data-end=\"1191\"\u003e\u003cstrong data-start=\"1175\" data-end=\"1191\"\u003eAttic floors\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hx9eg\" data-start=\"1192\" data-end=\"1206\"\u003e\n\u003cp data-start=\"1194\" data-end=\"1206\"\u003e\u003cstrong data-start=\"1194\" data-end=\"1206\"\u003eCeilings\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cy8njd\" data-start=\"1207\" data-end=\"1242\"\u003e\n\u003cp data-start=\"1209\" data-end=\"1242\"\u003e\u003cstrong data-start=\"1209\" data-end=\"1242\"\u003eFloor cavities between levels\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gl7t46\" data-start=\"1243\" data-end=\"1266\"\u003e\n\u003cp data-start=\"1245\" data-end=\"1266\"\u003e\u003cstrong data-start=\"1245\" data-end=\"1266\"\u003eResidential homes\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qq1k47\" data-start=\"1267\" data-end=\"1302\"\u003e\n\u003cp data-start=\"1269\" data-end=\"1302\"\u003e\u003cstrong data-start=\"1269\" data-end=\"1302\"\u003eLight commercial construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Johns Manville","offers":[{"title":"16''","offer_id":51464018985176,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true},{"title":"24''","offer_id":51464019017944,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/7298\/9144\/files\/shopping_4_f0c9fd77-4c3d-4752-8ad2-e4a19c9584be.webp?v=1773238907","url":"https:\/\/bedienterprises.com\/products\/johns-manville-r31-42-66-sq-ft-unfaced-fibreglass-batt-insulation","provider":"Bedi Enterprises","version":"1.0","type":"link"}