{"product_id":"duravent-6dt-f12l-6-duratech-7-12-to-12-12-pitch-large-base-galvalume-roof-flashing","title":"DuraVent 6DT-F12L 6\" DuraTech 7\/12 to 12\/12 Pitch Large Base Galvalume Roof Flashing","description":"\u003cp data-path-to-node=\"1\"\u003eProtect your home from severe water damage with the DuraVent 6\" DuraTech 7\/12 to 12\/12 Pitch Large Base Roof Flashing. Engineered to completely weatherproof the exact point where your all-fuel chimney pipe penetrates the roofline, this heavy-duty barrier creates a secure, leak-free seal. Manufactured from premium, rust-resistant Galvalume steel, it effortlessly withstands extreme outdoor weather conditions. Designed specifically for steeper architectural structures, it accurately accommodates roof pitches from a 7\/12 up to a 12\/12 incline. Its oversized 28-inch base provides exceptional coverage, making it perfectly suited for roofing materials that require a significantly wider footprint to prevent moisture intrusion.\u003c\/p\u003e\n\u003cp data-path-to-node=\"2\"\u003eCrafted for seamless installation by professional roofing contractors and dedicated DIY homeowners, this large-base flashing (model 6DT-F12L) maximizes structural protection and shingle overlap on steep rooflines. To achieve a strictly code-compliant and fully watertight exterior installation, this flashing must be paired with a compatible DuraTech storm collar (sold separately) securely installed and sealed directly above the cone. By matching your steep roof's pitch to this precision-engineered, extended flashing, you guarantee a flawless, weather-tight finish for your 6-inch inside diameter vertical chimney stack. Complete your exterior venting project with absolute confidence using this essential DuraVent roofing component!\u003c\/p\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\u003cspan id=\"station-tabs-tab_ht-i0-t17\" class=\"station-tabs-tab is-active\" data-slug=\"whats-included\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003eIncluded\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel is-active\" id=\"station-tabs-tabpanel_ht-i0-t17\" role=\"region\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003cul\u003e\n\u003cli\u003eRoof Flashing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNot Included \u003cem\u003e(Sold Separately)\u003c\/em\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStorm Collar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\u003cspan id=\"station-tabs-tab_ht-i0-t21\" class=\"station-tabs-tab is-active\" data-slug=\"features\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel is-active\" id=\"station-tabs-tabpanel_ht-i0-t21\" role=\"region\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003cul\u003e\n\u003cli\u003eUse to weather proof the penetration of chimney pipe through the roof.\u003c\/li\u003e\n\u003cli\u003eStorm Collar required.\u003c\/li\u003e\n\u003cli\u003eSelect roof flashing based on pitch of roof.\u003c\/li\u003e\n\u003cli\u003eFor example, a 6\/12 pitch has a vertical rise of 6” over a horizontal distance of 12”.\u003c\/li\u003e\n\u003cli\u003eMade of galvalume.\u003c\/li\u003e\n\u003cli\u003e6”- 8” available with large base.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"station-tabs-tabtitle\"\u003e\u003cspan id=\"station-tabs-tab_ht-i0-t29\" class=\"station-tabs-tab is-active\" data-slug=\"specifications\" role=\"button\" tabindex=\"0\"\u003e\u003cspan class=\"station-tabs-tabtext\"\u003eSpecifications\u003c\/span\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"station-tabs-tabpanel is-active\" id=\"station-tabs-tabpanel_ht-i0-t29\" role=\"region\"\u003e\n\u003cdiv class=\"station-tabs-tabcontent\"\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd width=\"50%\"\u003eModel\u003c\/td\u003e\n\u003ctd width=\"50%\"\u003e6DT-F12L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd width=\"50%\"\u003eSeries\u003c\/td\u003e\n\u003ctd width=\"50%\"\u003eDuraTech DT (5\"-8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRoof Flashing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e(Size) Inside Diameter\u003c\/td\u003e\n\u003ctd\u003e6”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003ctd\u003e8 1⁄4”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e28”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003ctd\u003e30”\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Dimensions\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/DuraTech_DT_-_Roof_Flashing_117d8ae6-08f7-49f4-aa02-1991ec2aff4b.jpg?v=1790517082\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWarranty\u003c\/span\u003e\u003c\/h3\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 45.2979%;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/ChatGPT_Image_Jun_18_2026_02_25_23_PM.png?v=1781771144\" alt=\"\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 54.3543%;\"\u003eDuravent, Inc. (“Duravent”) provides this limited lifetime warranty for all of its products with the exception of Ventinox® (lifetime), and PolyPro® (ten years). Subject to the limitations set forth below, Duravent warrants that its products will be free from defects in material or manufacturing, if properly installed, maintained and used.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"color: rgb(255, 128, 0);\"\u003e\u003cspan style=\"color: rgb(48, 48, 48); font-size: 0.875rem;\"\u003eAbout The Manufacturer\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(48, 48, 48); font-size: 0.875rem;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/Duravent_Logo.png?v=1789738697\" alt=\"\" width=\"411\" height=\"124\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDuraVent is a leading manufacturer of high-quality chimney and venting systems for residential and commercial applications. The company provides reliable solutions for wood, gas, pellet, and oil-burning appliances. Its products are rigorously tested to meet strict safety standards in the United States and Canada. DuraVent systems are engineered for durability, dependable performance, and long-term protection. Innovative features such as twist-lock connections help make installation faster, easier, and more secure. Trusted by homeowners and industry professionals, DuraVent is a recognized leader in venting technology.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DuraVent","offers":[{"title":"Default Title","offer_id":52937546301727,"sku":"6DT-F12L","price":343.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/5022\/9802\/files\/DuraVent_6DT-F12L_6_DuraTech_7_12_to_12_12_Pitch_Large_Base_Galvalume_Roof_Flashing.jpg?v=1790520351","url":"https:\/\/ridgeflame.com\/products\/duravent-6dt-f12l-6-duratech-7-12-to-12-12-pitch-large-base-galvalume-roof-flashing","provider":"Ridge Flame","version":"1.0","type":"link"}