{"product_id":"do-it-best-poly-1-2-in-x-20-ft-gray-foam-caulk-saver-backer-rod","title":"Do it Best Poly 1\/2 In. x 20 ft. Gray Foam Caulk Saver Backer Rod","description":"Do it Best Poly 1\/2 In. x 20 ft. Gray Foam Caulk Saver Backer Rod features resilient poly foam that provides an efficient fill or seal for large openings. This moisture-resistant backer rod helps save on expensive caulks and sealants and is designed to last for years. It is ideal for filling cement cracks, meeting joints, aluminum siding panels, and door and window frames, as well as sealing foundation bases.\n\nModel Number: C22HDI","brand":"Do it Best","offers":[{"title":"Default Title","offer_id":46631614218403,"sku":"288721","price":5.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/2469\/7763\/files\/8aabfba7250850a30955a9be3ea642e3526c2012_288721_1_H.png?v=1775855118","url":"https:\/\/www.hartvillehardware.com\/products\/do-it-best-poly-1-2-in-x-20-ft-gray-foam-caulk-saver-backer-rod","provider":"Hartville Hardware","version":"1.0","type":"link"}