{"product_id":"cor-a-vent-v-300-7-cor-a-vent-v300-7-in-x-4-ft-ridge-vent","title":"Cor-A-Vent V300 7 in. x 4 ft. Ridge Vent","description":"\u003ch1\u003eCor-A-Vent V300 7 in. x 4 ft. Ridge Vent\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a Cor-A-Vent V300 ridge vent, 7 inches wide by 4 feet long per piece, delivering 13.5 sq. in. of net free vent area per lineal foot. Sold one piece per order, with 12 pieces per box. Use it along the ridge of shingle roofs as the exhaust component of a balanced attic ventilation system.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eKey Features:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e13.5 sq. in. NFVA:\u003c\/strong\u003e Provides 13.5 sq. in. net free vent area per lineal foot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-inch width:\u003c\/strong\u003e 7 in. wide by 4 ft long pieces for standard ridge applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e About 1 lb per 4-ft piece for fast handling on the roof.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoxed 12 pieces:\u003c\/strong\u003e 12 pieces per box and carton for whole-roof jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProven V300 series:\u003c\/strong\u003e A widely used ridge vent profile in the Cor-A-Vent lineup.\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\u003eManufacturer model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eV-300-7\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, 7 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 V300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProfile \/ style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRidge vent strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 in. x 4 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCoverage per unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 sq. in. NFVA per lineal ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet free vent area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 sq. in. per lineal ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePieces per box\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePieces per carton\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0023 lb\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 exhaust ventilation for shingle roofs\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\u003eOne piece spans 4 lineal feet of ridge with 13.5 sq. in. NFVA per foot. Calculate required exhaust NFVA for the attic area, divide by 13.5 for the needed run, then divide by 4 ft to order pieces.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003eFits under standard ridge cap shingles and pairs with Cor-A-Vent intake products such as vented drip edge for a balanced system. Intake vents and fasteners are sold separately.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: What size is each piece?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each piece is 7 inches wide by 4 feet long.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the net free vent area?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 13.5 sq. in. per lineal foot.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many pieces per box?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 12 pieces per box and 12 per carton; each order unit is one piece.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Does it include intake venting?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No, it is exhaust venting only; pair it with a separate intake product for balanced ventilation.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eSize ridge vent length so exhaust NFVA matches or slightly exceeds intake NFVA per ventilation guidelines; the 7-inch V300 is a common choice for comp shingle ridges. Fasten through the vent into the ridge framing per instructions and cap with ridge shingles, keeping the slot within the manufacturer's specified width.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRidge sheathing cuts affect roof structure; follow the manufacturer's instructions and local code, and use roof fall protection.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eGet Cor-A-Vent V300 7 in. x 4 ft. ridge vent for a clean, high-flow ridge exhaust.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cor-A-Vent","offers":[{"title":"Default Title","offer_id":53529526468975,"sku":"V-300-7","price":19.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/350137_default_hero.jpg?v=1790350922","url":"https:\/\/superarbor.io\/products\/cor-a-vent-v-300-7-cor-a-vent-v300-7-in-x-4-ft-ridge-vent","provider":"Super Arbor","version":"1.0","type":"link"}