{"product_id":"duravent-durachimney-ii-8-30-degree-firestop","title":"DuraVent DuraChimney II 8\" 30-Degree Firestop","description":"\u003cdiv style=\"text-align: center;\"\u003e\n\u003cdiv class=\"product__title\"\u003e\n\u003ch3\u003eDuraVent DuraChimney II 8\" 30-Degree Firestop\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-30\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-30\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-30\" data-testid=\"conversation-turn-1024\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"2eb937ba-c9b8-4cdf-ac08-89e94f3ec34e\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"645\"\u003eThe \u003cstrong data-start=\"4\" data-end=\"53\"\u003eDuraVent DuraChimney II 8\" 30-Degree Firestop\u003c\/strong\u003e is a premium factory-built chimney system accessory designed to ensure safe fire protection and proper clearance in angled chimney installations. Ideal for wood-burning fireplaces, stoves, and solid-fuel venting systems, this firestop is part of the trusted DuraChimney II double-wall chimney system, offering a lightweight, unitized design that eliminates field assembly and supports faster, more efficient installation in residential and commercial applications. It is specifically engineered for 30-degree offset chimney runs where enhanced structural fire safety is required.\u003c\/p\u003e\n\u003cp data-start=\"647\" data-end=\"1248\" data-is-last-node=\"\" data-is-only-node=\"\" class=\"\"\u003eBuilt for performance and compliance, the 30-degree chimney firestop works within a double-wall, air-cooled chimney system that maintains cooler exterior temperatures while supporting a strong internal draft for efficient venting. The system allows for thermal expansion both radially and lengthwise under high heat conditions, ensuring long-term durability and safety. UL 103 listed, DuraChimney II is tested for continuous operation at 1000°F, one hour at 1400°F, and ten minutes at 1700°F, delivering reliable, code-compliant chimney fire protection and installation safety.\u003c\/p\u003e\n\u003ch3 data-start=\"647\" data-end=\"1248\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"111v93m\" data-start=\"0\" data-end=\"252\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"88\" data-is-only-node=\"\"\u003eDuraVent DuraChimney II 8\" 30-Degree Firestop – \u003c\/strong\u003eAdvanced Chimney Safety Component: Designed for the DuraChimney II factory-built double-wall chimney system, ideal for wood-burning fireplaces, stoves, and solid-fuel venting applications.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"i3ikue\" data-start=\"253\" data-end=\"486\"\u003e\n\u003cstrong data-start=\"255\" data-end=\"315\" data-is-only-node=\"\"\u003eSpecifically Engineered for 30-Degree Wall Penetrations:\u003c\/strong\u003e Built for use when the chimney passes through a wall at a 30° angle from vertical, ensuring proper alignment and safe installation in angled chimney configurations.\u003c\/li\u003e\n\u003cli data-section-id=\"cu147g\" data-start=\"487\" data-end=\"687\"\u003e\n\u003cstrong data-start=\"489\" data-end=\"533\" data-is-only-node=\"\"\u003eEnhances Chimney Fire Safety Protection:\u003c\/strong\u003e Provides critical firestop functionality that helps maintain required clearances and improves chimney system fire safety and structural protection.\u003c\/li\u003e\n\u003cli data-section-id=\"1h7wug\" data-start=\"688\" data-end=\"874\"\u003e\n\u003cstrong data-start=\"690\" data-end=\"739\" data-is-only-node=\"\"\u003eSupports UL-Listed Chimney System Compliance:\u003c\/strong\u003e Helps maintain compliance with UL 103 listed chimney system standards, ensuring safe and code-approved installation performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1kf3bjq\" data-start=\"875\" data-end=\"1047\"\u003e\n\u003cstrong data-start=\"877\" data-end=\"926\" data-is-only-node=\"\"\u003eImproves Structural Stability in Offset Runs:\u003c\/strong\u003e Designed to support angled chimney runs while maintaining proper spacing and safe passage through building structures.\u003c\/li\u003e\n\u003cli data-section-id=\"10hs9cl\" data-start=\"1048\" data-end=\"1236\"\u003e\n\u003cstrong data-start=\"1050\" data-end=\"1104\" data-is-only-node=\"\"\u003eProfessional-Grade Chimney Installation Accessory:\u003c\/strong\u003e Compatible with DuraChimney II double-wall chimney systems, commonly used in residential and commercial chimney applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8DCA-FS30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDuraChimney II (8\" - 16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFirestop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e43 1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraChimney_II_Catalog_1.pdf?v=1645065033\" target=\"_blank\"\u003eProduct Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/L180_820003154_Install_Instructions_DuraChimney_II_8ef4e6d5-e904-4461-a96c-5c449db6c52e.pdf?v=1645064861\" target=\"_blank\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraChim_Typical_Installation.pdf?v=1649640543\" target=\"_blank\"\u003eTypical Installation\u003c\/a\u003e\u003ca href=\"https:\/\/usfireplacestore.com\/pages\/ca-prop-65-warning\" target=\"_blank\"\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"Default Title","offer_id":47479100539171,"sku":"8DCA-FS30","price":151.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-30-Degree-DuraChimney-ll-Firestop-DuraVent-Dreamwood-Living-26083223.jpg?v=1780434961","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-durachimney-ii-8-30-degree-firestop","provider":"Dreamwood Living","version":"1.0","type":"link"}