{"product_id":"duravent-duraflex-3-5-5-profoil","title":"DuraVent DuraFlex ProFoil","description":"\u003ch3 style=\"text-align: center;\"\u003eDuraVent DuraFlex ProFoil\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDuraVent DuraFlex ProFoil\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a high-performance \u003c\/span\u003echimney liner insulation accessory designed to enhance the efficiency and safety of DuraFlex stainless steel chimney relining systems. Engineered for professional masonry chimney restoration, DuraFlex ProFoil helps improve thermal performance by supporting proper insulation around flexible chimney liners, promoting better chimney draft, flue gas flow, and venting efficiency.\u003c\/p\u003e\n\u003cp\u003eDesigned to complement DuraFlex Pro, DuraFlex SW, DuraFlex 316, and DuraFlex 304 chimney liners, this quality component supports reliable installations for wood-burning appliances, fireplace inserts, stoves, and non-condensing gas or oil systems. Its durable construction helps protect chimney liner systems while improving overall fireplace venting performance, energy efficiency, and long-term chimney protection.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cdiv data-is-intersecting=\"true\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-1\" class=\"\"\u003e\n\u003csection data-turn=\"assistant\" data-testid=\"conversation-turn-1460\" data-turn-id-container=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-1\" data-turn-id=\"request-6a43b619-0ba0-83e9-8ec8-3118c3ecac8e-1\" dir=\"auto\" 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)))]\"\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 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\" data-conversation-screenshot-content=\"\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv 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\" data-message-model-slug=\"gpt-5-5\" dir=\"auto\" data-message-id=\"068ed611-09d8-4442-9981-39c73fc77e3c\" data-message-author-role=\"assistant\"\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\u003cul\u003e\n\u003cli data-section-id=\"1waimfr\" data-start=\"0\" data-end=\"206\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"48\" data-is-only-node=\"\"\u003eDuraFlex ProFoil Chimney Liner Insulation:\u003c\/strong\u003e The DuraVent DuraFlex ProFoil is designed as a high-performance insulation wrap for stainless steel chimney liners installed inside masonry chimneys.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"644s2r\" data-start=\"207\" data-end=\"418\"\u003e\n\u003cstrong data-start=\"209\" data-end=\"249\" data-is-only-node=\"\"\u003eUL Listed Chimney Insulation System:\u003c\/strong\u003e Helps stainless steel liners meet UL 1777 chimney liner safety standards when required clearances between the liner, masonry chimney, and framing are not available.\u003c\/li\u003e\n\u003cli data-section-id=\"1b00lyj\" data-start=\"419\" data-end=\"609\"\u003e\n\u003cstrong data-start=\"421\" data-end=\"463\" data-is-only-node=\"\"\u003eImproves Chimney Safety \u0026amp; Performance:\u003c\/strong\u003e Provides proper insulation around flexible chimney liners to support efficient chimney draft, heat retention, and safe venting operation.\u003c\/li\u003e\n\u003cli data-section-id=\"169ssho\" data-start=\"610\" data-end=\"854\"\u003e\n\u003cstrong data-start=\"612\" data-end=\"660\" data-is-only-node=\"\"\u003eRequired for Reduced Clearance Applications:\u003c\/strong\u003e A\u003cstrong\u003e \u003c\/strong\u003e½-inch insulation wrap is required when the necessary 1\" clearances from the stainless steel liner to the masonry chimney interior wall or from masonry to house framing are not available.\u003c\/li\u003e\n\u003cli data-section-id=\"71vu40\" data-start=\"855\" data-end=\"1025\"\u003e\n\u003cstrong data-start=\"857\" data-end=\"884\" data-is-only-node=\"\"\u003eSized by Vent Diameter:\u003c\/strong\u003e Available with sizing based on the chimney liner diameter for accurate installation with compatible DuraFlex stainless steel liners.\u003c\/li\u003e\n\u003cli data-section-id=\"fp3yvq\" data-start=\"1026\" data-end=\"1173\"\u003e\n\u003cstrong data-start=\"1028\" data-end=\"1071\" data-is-only-node=\"\"\u003eCompatible with DuraFlex Liner Systems:\u003c\/strong\u003e Designed for use with DuraFlex Pro, DuraFlex 304, and DuraFlex 316 chimney relining applications.\u003c\/li\u003e\n\u003cli data-section-id=\"195rs21\" data-start=\"1174\" data-end=\"1307\"\u003e\n\u003cstrong data-start=\"1176\" data-end=\"1213\" data-is-only-node=\"\"\u003eComplete Insulation Installation:\u003c\/strong\u003e Requires\u003cstrong\u003e \u003c\/strong\u003eAluFoil Tape and ProMesh for proper installation and secure insulation coverage.\u003c\/li\u003e\n\u003cli data-section-id=\"1amoj6p\" data-start=\"1308\" data-end=\"1492\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1310\" data-end=\"1350\" data-is-only-node=\"\"\u003eIdeal for Chimney Relining Projects:\u003c\/strong\u003e A professional solution for masonry chimney restoration, wood stove inserts, fireplace inserts, and solid-fuel appliance venting systems.\u003c\/li\u003e\n\u003c\/ul\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\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; height: 188.75px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 32.6702%; height: 19.5938px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 64.4727%; height: 19.5938px;\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 71.1875px;\"\u003e\n\u003ctd style=\"width: 32.6702%; height: 71.1875px;\"\u003e\u003cstrong\u003eItem Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.4727%; height: 71.1875px;\"\u003e\n\u003cp\u003e56RNS-PFB22X25, \u003cspan data-sheets-root=\"1\"\u003e7RNS-PFB24X25\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-sheets-root=\"1\"\u003e8RNS-PFB29X25, 912RNS-PFB48X25\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.6702%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.4727%; height: 19.5938px;\"\u003eDuraFlex SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.6702%; height: 19.5938px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.4727%; height: 19.5938px;\"\u003eProFoil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 32.6702%; height: 19.5938px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 64.4727%; height: 19.5938px;\"\u003e22\" x 25', 24”x25’, 29”x25’, 48”x25’\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"DuraVent","offers":[{"title":"5 - 22”x25’","offer_id":55333870764323,"sku":"56RNS-PFB22X25","price":549.0,"currency_code":"USD","in_stock":true},{"title":"7 - 24”x25’","offer_id":55333870829859,"sku":"7RNS-PFB24X25","price":686.0,"currency_code":"USD","in_stock":true},{"title":"9 -  29”x25’","offer_id":55333870895395,"sku":"8RNS-PFB29X25","price":1098.0,"currency_code":"USD","in_stock":true},{"title":"12 - 48”x25’","offer_id":55333876728099,"sku":"912RNS-PFB48X25","price":1372.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-DuraFlex-7-ProFoil.png?v=1783953456","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-duraflex-3-5-5-profoil","provider":"Dreamwood Living","version":"1.0","type":"link"}