{"product_id":"closed-cell-backer-rod","title":"Mile High Foam Standard Closed Cell Backer Rod","description":"\u003cp data-start=\"135\" data-end=\"208\"\u003e\u003cstrong data-start=\"135\" data-end=\"208\"\u003eMILE HIGH FOAM® CLOSED CELL BACKER ROD – POLYETHYLENE SEALANT BACKING\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"210\" data-end=\"492\"\u003eControl sealant depth and improve joint performance with Mile High Foam® Closed Cell Backer Rod. Designed to reduce sealant usage while forming the ideal hourglass configuration, this backer rod delivers consistent, reliable results across a wide range of construction applications.\u003c\/p\u003e\n\u003cp data-start=\"499\" data-end=\"515\"\u003e\u003cstrong\u003eKEY FEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"517\" data-end=\"992\"\u003e\n\u003cli data-start=\"517\" data-end=\"607\"\u003e\n\u003cstrong data-start=\"519\" data-end=\"545\"\u003eControls sealant depth\u003c\/strong\u003e: reduces excess sealant use and ensures proper joint design\u003c\/li\u003e\n\u003cli data-start=\"608\" data-end=\"694\"\u003e\n\u003cstrong data-start=\"610\" data-end=\"635\"\u003eClosed cell structure\u003c\/strong\u003e: provides moisture resistance and consistent performance\u003c\/li\u003e\n\u003cli data-start=\"695\" data-end=\"768\"\u003e\n\u003cstrong data-start=\"697\" data-end=\"727\"\u003eEnhances joint performance\u003c\/strong\u003e: promotes proper adhesion and cohesion\u003c\/li\u003e\n\u003cli data-start=\"769\" data-end=\"856\"\u003e\n\u003cstrong data-start=\"771\" data-end=\"795\"\u003eDurable and flexible\u003c\/strong\u003e: maintains shape under compression while allowing movement\u003c\/li\u003e\n\u003cli data-start=\"857\" data-end=\"926\"\u003e\n\u003cstrong data-start=\"859\" data-end=\"882\"\u003eChemical resistance\u003c\/strong\u003e: resists oil, gasoline, and most solvents\u003c\/li\u003e\n\u003cli data-start=\"927\" data-end=\"992\"\u003e\n\u003cstrong data-start=\"929\" data-end=\"951\"\u003eWide compatibility\u003c\/strong\u003e: works with most cold-applied sealants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"999\" data-end=\"1015\"\u003e\u003cstrong\u003eAPPLICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1017\" data-end=\"1223\"\u003e\n\u003cli data-start=\"1017\" data-end=\"1054\"\u003eExpansion and construction joints\u003c\/li\u003e\n\u003cli data-start=\"1055\" data-end=\"1085\"\u003eConcrete and precast walls\u003c\/li\u003e\n\u003cli data-start=\"1086\" data-end=\"1110\"\u003eCurtain wall systems\u003c\/li\u003e\n\u003cli data-start=\"1111\" data-end=\"1142\"\u003eParking decks and pavements\u003c\/li\u003e\n\u003cli data-start=\"1143\" data-end=\"1178\"\u003eBridge and highway construction\u003c\/li\u003e\n\u003cli data-start=\"1179\" data-end=\"1197\"\u003eWindow glazing\u003c\/li\u003e\n\u003cli data-start=\"1198\" data-end=\"1223\"\u003eLog home construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1230\" data-end=\"1249\"\u003e\u003cstrong\u003ePRODUCT DETAILS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1251\" data-end=\"1410\"\u003e\n\u003cli data-start=\"1251\" data-end=\"1293\"\u003e\n\u003cstrong data-start=\"1253\" data-end=\"1265\"\u003eMaterial\u003c\/strong\u003e: closed cell polyethylene\u003c\/li\u003e\n\u003cli data-start=\"1294\" data-end=\"1314\"\u003e\n\u003cstrong data-start=\"1296\" data-end=\"1305\"\u003eColor\u003c\/strong\u003e: black\u003c\/li\u003e\n\u003cli data-start=\"1315\" data-end=\"1353\"\u003e\n\u003cstrong data-start=\"1317\" data-end=\"1325\"\u003eForm\u003c\/strong\u003e: continuous round profile\u003c\/li\u003e\n\u003cli data-start=\"1354\" data-end=\"1410\"\u003e\n\u003cstrong data-start=\"1356\" data-end=\"1371\"\u003ePerformance\u003c\/strong\u003e: moisture-resistant and non-staining\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1417\" data-end=\"1440\"\u003e\u003cstrong\u003ePHYSICAL PROPERTIES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1442\" data-end=\"1733\"\u003e\n\u003cli data-start=\"1442\" data-end=\"1488\"\u003e\n\u003cstrong data-start=\"1444\" data-end=\"1455\"\u003eDensity\u003c\/strong\u003e: 1.25–2.0 lbs\/ft³ (ASTM D1622)\u003c\/li\u003e\n\u003cli data-start=\"1489\" data-end=\"1525\"\u003e\n\u003cstrong data-start=\"1491\" data-end=\"1506\"\u003eOut-gassing\u003c\/strong\u003e: \u0026gt;1 (ASTM C1253)\u003c\/li\u003e\n\u003cli data-start=\"1526\" data-end=\"1574\"\u003e\n\u003cstrong data-start=\"1528\" data-end=\"1548\"\u003eTensile strength\u003c\/strong\u003e: 39–50 psi (ASTM C1623)\u003c\/li\u003e\n\u003cli data-start=\"1575\" data-end=\"1638\"\u003e\n\u003cstrong data-start=\"1577\" data-end=\"1600\"\u003eMoisture absorption\u003c\/strong\u003e: 0.002 g\/cm³ (ASTM C1016 – Proc. B)\u003c\/li\u003e\n\u003cli data-start=\"1639\" data-end=\"1694\"\u003e\n\u003cstrong data-start=\"1641\" data-end=\"1662\"\u003eTemperature range\u003c\/strong\u003e: -90°F to +210°F (ASTM D5249)\u003c\/li\u003e\n\u003cli data-start=\"1695\" data-end=\"1733\"\u003e\n\u003cstrong data-start=\"1697\" data-end=\"1712\"\u003eCompression\u003c\/strong\u003e: \u0026gt;90% (ASTM D5249)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAVAILABLE OPTIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSIZE\u003c\/th\u003e\n\u003cth\u003eLENGTH\u003c\/th\u003e\n\u003cth\u003ePACKAGING TYPE\u003c\/th\u003e\n\u003cth\u003eDETAILS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/4\"\u003c\/td\u003e\n\u003ctd\u003e400'\u003c\/td\u003e\n\u003ctd\u003eStandard Carton\u003c\/td\u003e\n\u003ctd\u003e2 spools per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003ctd\u003e200'\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMini Carton\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 spool per carton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003ctd\u003e3600'\u003c\/td\u003e\n\u003ctd\u003eStandard Carton\u003c\/td\u003e\n\u003ctd\u003e2 spools per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003ctd\u003e100'\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMini Carton\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 spool per carton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003ctd\u003e2500'\u003c\/td\u003e\n\u003ctd\u003eStandard Carton\u003c\/td\u003e\n\u003ctd\u003e2 spools per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\/8\"\u003c\/td\u003e\n\u003ctd\u003e100'\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMini Carton\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 spool per carton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\/8\"\u003c\/td\u003e\n\u003ctd\u003e1550'\u003c\/td\u003e\n\u003ctd\u003eStandard Carton\u003c\/td\u003e\n\u003ctd\u003e2 spools per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003ctd\u003e100'\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMini Carton\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 spool per carton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003ctd\u003e1100'\u003c\/td\u003e\n\u003ctd\u003eStandard Carton\u003c\/td\u003e\n\u003ctd\u003e2 spools per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e75'\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMini Carton\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 spool per carton\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e400'\u003c\/td\u003e\n\u003ctd\u003eStandard Carton\u003c\/td\u003e\n\u003ctd\u003e1 spool per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e420'\u003c\/td\u003e\n\u003ctd\u003eSuper Carton\u003c\/td\u003e\n\u003ctd\u003e6' lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003ctd\u003e252'\u003c\/td\u003e\n\u003ctd\u003eSuper Carton\u003c\/td\u003e\n\u003ctd\u003e6' lengths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"1740\" data-end=\"1762\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1740\" data-end=\"1762\"\u003e\u003cstrong\u003eINSTALLATION NOTES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1764\" data-end=\"1989\"\u003e\n\u003cli data-start=\"1764\" data-end=\"1845\"\u003eSelect a diameter slightly larger than the joint width for proper compression\u003c\/li\u003e\n\u003cli data-start=\"1846\" data-end=\"1910\"\u003eInstall at the depth recommended by the sealant manufacturer\u003c\/li\u003e\n\u003cli data-start=\"1911\" data-end=\"1989\"\u003eEnsure joints are clean, dry, and free of contaminants before installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1996\" data-end=\"2011\"\u003e\u003cstrong\u003eLIMITATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2013\" data-end=\"2165\"\u003e\n\u003cli data-start=\"2013\" data-end=\"2078\"\u003ePerformance is subject to the limitations of the sealant used\u003c\/li\u003e\n\u003cli data-start=\"2079\" data-end=\"2165\"\u003eFollow all sealant manufacturer recommendations for compatibility and installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eRESOURCES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/backerrod.com\/wp-content\/uploads\/2024\/06\/BRM-Certificate-Of-Compliance.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eGeneral Certificate of Compliance\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/backerrod.com\/wp-content\/uploads\/2024\/06\/Mile-High-Foam-Product-Information-Sheet.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Information Sheet\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/backerrod.com\/wp-content\/uploads\/2024\/06\/Mile-High-Foam-Product-Information-Sheet-ESP.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Information Sheet - Spanish\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca rel=\"noopener\" href=\"https:\/\/backerrod.com\/wp-content\/uploads\/2024\/06\/Mile-High-Foam-Technical-Data-Sheet.pdf\" target=\"_blank\"\u003eTechnical Data\u003c\/a\u003e \u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/backerrod.com\/wp-content\/uploads\/2024\/06\/Mile-High-Foam-Technical-Data-Sheet-ESP.pdf\" target=\"_blank\"\u003e\u003cstrong\u003eTechnical Data - Spanish\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Backer Rod Mfg. Inc.","offers":[{"title":"1\/4\" x 400'","offer_id":51959445717312,"sku":"IEAB014MB","price":30.45,"currency_code":"USD","in_stock":true},{"title":"3\/8\" x 200'","offer_id":51959445750080,"sku":"IEAB038MB","price":20.75,"currency_code":"USD","in_stock":true},{"title":"3\/8\" x 3600'","offer_id":51959445782848,"sku":"IEAB038 ","price":117.03,"currency_code":"USD","in_stock":true},{"title":"1\/2\" x 100'","offer_id":51959445815616,"sku":"IEAB012MB","price":16.55,"currency_code":"USD","in_stock":true},{"title":"1\/2\" x 2500'","offer_id":51959445848384,"sku":"IEAB012 ","price":115.97,"currency_code":"USD","in_stock":true},{"title":"5\/8\" x 100'","offer_id":51959445881152,"sku":"IEAB058MB","price":21.45,"currency_code":"USD","in_stock":true},{"title":"5\/8\" x 1550'","offer_id":51959445913920,"sku":"IEAB058 ","price":104.08,"currency_code":"USD","in_stock":true},{"title":"3\/4\" x 100'","offer_id":51959445946688,"sku":"IEAB034MB","price":28.73,"currency_code":"USD","in_stock":true},{"title":"3\/4\" x 1100'","offer_id":51959445979456,"sku":"IEAB034 ","price":98.99,"currency_code":"USD","in_stock":true},{"title":"1\" x 75'","offer_id":51959446012224,"sku":"IEAB100MB","price":40.22,"currency_code":"USD","in_stock":true},{"title":"1-1\/4\" x 400'","offer_id":51959446044992,"sku":"IEAB114","price":107.13,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\" x 420' (6' Lengths)","offer_id":51959446077760,"sku":"IEAB112 ","price":164.1,"currency_code":"USD","in_stock":true},{"title":"2\" x 252' (6' Lengths)","offer_id":51959446110528,"sku":"IEAB200 ","price":166.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0051\/4251\/1687\/files\/Mile-High-Foam-Closeup-web.png?v=1777932698","url":"https:\/\/www.masonrydirect.com\/products\/closed-cell-backer-rod","provider":"MasonryDirect.com","version":"1.0","type":"link"}