{"product_id":"grace-48-in-x-250-ft-tri-flex-15-roll-synthetic-roofing-underlayment","title":"Synthetic Roofing Underlayment F6542","description":"Tri-Flex 15 is a synthetic roofing underlayment coated with polypropylene on both sides and offers many benefits to traditional #15 felt. This proprietary resin formula is used in the walk and deckside surfaces to create a slip resistant surface. It is 10x stronger than the #15 felt and prevents blow offs and tears in windy conditions. It is considered impermeable and will not allow water vapor to pass through it. A 10 square roll is 67 percent lighter than #15 felt, and covers 2.3 times the area. This sustainable product is 100% recyclable and contributes to sustainability and LEED. It exceeds the requirements of ASTM D226 type 1 and II.Tri-Flex 15 is used with asphalt shingles or most other roof coverings as a secondary watershedding material. It may be exposed up to 60 days and can be used alone or in combination with Grace self adhered underlayments.","brand":"My Store","offers":[{"title":"Default Title","offer_id":49287304380590,"sku":"P353532713241812767","price":18.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/5824\/5806\/files\/f12d21845d47431f634edfa2fb5ff0a932cb98a24c20cee15df59759cf797d89.jpg?v=1788370606","url":"https:\/\/puzzletruck.shop\/products\/grace-48-in-x-250-ft-tri-flex-15-roll-synthetic-roofing-underlayment","provider":"My Store","version":"1.0","type":"link"}