{"product_id":"cor-a-vent-v-300e-hip-ridge-vent-8-1-2-in-x-4-ft","title":"Cor-A-Vent V-300E Hip \u0026 Ridge Vent, 8-1\/2 in. x 4 ft.","description":"\u003ch1\u003eCor-A-Vent V-300E Hip \u0026amp; Ridge Vent, 8-1\/2 in. x 4 ft.\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThe Cor-A-Vent V-300E is a low-profile, crush-proof ridge and hip vent with an Enhanced Snow Screen that keeps out wind-driven snow and rain while letting hot, moist attic air escape. This listing is the 8-1\/2 in. x 4 ft. piece, delivering 13.5 sq-in of NFVA per linear ft. Its 5\/8 in. profile blends into the roofline on hips.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Snow Screen:\u003c\/strong\u003e The breathable filter keeps fine snow and wind-driven precipitation out while letting air escape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13.5 NFVA\/ft.:\u003c\/strong\u003e Provides 13.5 sq-in of net free ventilating area per linear foot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow profile:\u003c\/strong\u003e 5\/8 in. design blends with the roofline, ideal for visible hip applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrush-proof:\u003c\/strong\u003e Crush-proof construction resists damage during and after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for hips:\u003c\/strong\u003e Recommended for hip applications where ridge vents must follow diagonal rooflines.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch2\u003eSpecifications Table:\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\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\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCor-A-Vent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSell unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece, 8-1\/2 in. x 4 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct line\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCor-A-Vent V-300E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 in., 8-1\/2 in., 7 in. widths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-1\/2 in. x 4 ft. (this variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8 in. low profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVentilation rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 sq-in NFVA per linear ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrush-proof, Enhanced Snow Screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntended use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRidge and hip roof ventilation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch2\u003eCoverage \u0026amp; How Much You Need:\u003c\/h2\u003e\u003cp\u003eEach 4 ft. piece provides 13.5 sq-in NFVA per linear ft., or 54 sq-in NFVA per piece. Size total vent area to your attic by code-required NFA, balancing intake at the eaves.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003ePart of the Cor-A-Vent V-300E line, also offered in 11 in. and 7 in. widths. Pair with adequate intake ventilation (e.g., eave\/soffit vents) for balanced attic ventilation; fasteners and cap shingles are supplied by the installer.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What is included in one order unit?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e One 8-1\/2 in. x 4 ft. piece of V-300E enhanced hip\/ridge vent.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What does the Enhanced Snow Screen do?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e It prevents fine snow and wind-driven precipitation from entering the vent while allowing hot, moist air out.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the NFVA rating?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 13.5 sq-in of net free ventilating area per linear foot.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it be used on hips?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, V-300E is recommended for hip applications, and its low 5\/8 in. profile blends into the roof.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What widths are available?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The V-300E line is available in 11 in., 8-1\/2 in., and 7 in. widths.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Is it durable?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it features a crush-proof design.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eChoose the 8-1\/2 in. width for typical hip applications where the vent must follow diagonal hips and sit low on the roofline. Calculate total NFVA needed for the attic space, then divide between intake and exhaust—V-300E at 13.5 sq-in\/ft. makes it easy to figure linear footage. Snap a straight line before cutting the sheathing slot and keep slot width consistent so the vent seats evenly.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCutting roof sheathing and working on hips and ridges carries fall hazards—use proper fall protection, and follow roof covering manufacturer and local code requirements for ventilation and installation.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder Cor-A-Vent V-300E 8-1\/2 in. hip and ridge vent for snow-safe, low-profile attic exhaust.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cor-A-Vent","offers":[{"title":"Default Title","offer_id":53522965922159,"sku":"CORV300E85","price":24.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/ProductImage_CORV300E11.jpg?v=1790235501","url":"https:\/\/superarbor.io\/products\/cor-a-vent-v-300e-hip-ridge-vent-8-1-2-in-x-4-ft","provider":"Super Arbor","version":"1.0","type":"link"}