{"product_id":"frost-king-c21h-caulk-saver-3-8-in-x-20-ft","title":"Frost King C21H Caulk Saver (3\/8 in x 20 ft)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eFrost King C21H is a polyurethane foam caulk saver (backer rod) used to back caulk joints and reduce sealant volume. The rod is 3\/8 inch in diameter and 20 feet long, made of resilient closed-cell foam with waterproof properties. It is compatible with most caulks and sealants and is intended for filling wide cracks, joints, foundations, and pavement gaps where a backer is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePolyurethane closed-cell foam construction; waterproof and moisture-repellent.\u003c\/li\u003e\n  \u003cli\u003e3\/8 in diameter x 20 ft length; sold as a single foam unit; item weight 0.5 ounces.\u003c\/li\u003e\n  \u003cli\u003eFunctions as a backer rod to reduce sealant use; compatible with most caulks and sealants; stays flexible between 10 and 140 degrees F.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003e3\/8 in diameter poly foam backer rod, 20 ft length, waterproof, reduces caulk usage\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: FROST KING\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C21H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Frost King\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: C21H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Caulk saver \/ Backer rod\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Polyurethane foam\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Form\u003c\/strong\u003e: Foam\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 3\/8 in (0.375 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 20 ft (240 in)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 3\/8 in x 20 ft\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Weight\u003c\/strong\u003e: 0.5 ounces (0.03 lb)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater Resistance Level\u003c\/strong\u003e: Waterproof\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e: 10 to 140 degrees F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: United States\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 077578024288\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntended Use\u003c\/strong\u003e: Backing caulk joints and filling wide cracks, gaps, foundations, and pavement joints\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Compatible with most caulks and sealants\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"FROST KING","offers":[{"title":"Default Title","offer_id":51670799155506,"sku":"C21H","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4481b7c473419836dbc45139098fa3f1.jpg?v=1787959737","url":"https:\/\/voomisupply.com\/products\/frost-king-c21h-caulk-saver-3-8-in-x-20-ft","provider":"Voomi Supply","version":"1.0","type":"link"}