{"product_id":"m-d-1-2-in-x-20-ft-gray-backer-rod","title":"M-D 1\/2 in. x 20 ft. Gray Backer Rod","description":"\u003cp\u003eM-D backer rod, 1\/2 in. x 20 ft. (12.7 mm x 6.1 m) in gray, for medium gaps and joints.\u003c\/p\u003e\n\u003cp\u003eIt fills gaps and openings to stop drafts and gives a sound surface to caulk over. Push it into the joint to a depth of 1\/4 to 1\/2 in., and twist strands together for larger joints.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor gaps about 1\/2 in. wide\u003c\/li\u003e\n\u003cli\u003eFills gaps and openings to prevent drafts\u003c\/li\u003e\n\u003cli\u003eProvides a surface for caulking\u003c\/li\u003e\n\u003cli\u003eTwist strands together for larger joints\u003c\/li\u003e\n\u003cli\u003eNot for use with hot-melt adhesives or above 200°F, or in constant water contact or marine use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"product-specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eM-D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e1\/2 in. (12.7 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength\u003c\/th\u003e\n\u003ctd\u003e20 ft. (6.1 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGray\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eGap size\u003c\/th\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"M-D","offers":[{"title":"Default Title","offer_id":55126147367251,"sku":"43374714807","price":4.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/7743\/4195\/files\/m-d-1-2-in-x-20-ft-gray-backer-rod.webp?v=1790779830","url":"https:\/\/arch-9365.myshopify.com\/zh\/products\/m-d-1-2-in-x-20-ft-gray-backer-rod","provider":"ARCH","version":"1.0","type":"link"}