{"product_id":"cor-a-vent-v-300-cs-cor-a-vent-v300-8-1-2-in-x-4-ft-ridge-vent","title":"Cor-A-Vent V300 8-1\/2 in. x 4 ft. Ridge Vent","description":"\u003ch1\u003eCor-A-Vent V300 8-1\/2 in. x 4 ft. Ridge Vent\u003c\/h1\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eThis is a Cor-A-Vent V300 ridge vent piece measuring 8-1\/2 in. wide by 4 ft. long, delivering 13.5 sq in. of net free vent area per lineal foot. Sold per piece with 12 pieces per carton, it provides continuous ridge exhaust ventilation for shingle roofs. Pair with adequate intake ventilation such as soffit or eave vents.\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 square inches of net free vent area per lineal foot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 ft. sections:\u003c\/strong\u003e Each piece is 8-1\/2 in. wide and 4 ft. long for manageable handling and installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous exhaust:\u003c\/strong\u003e Installed along the ridge for balanced, continuous roof exhaust ventilation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarton of 12:\u003c\/strong\u003e Ships 12 pieces per box and per carton, covering 48 ft. of ridge per carton.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e Each 4 ft. piece weighs about 2 lb for easy installation.\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-CS\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\u003eV300\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\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. wide x 4 ft. long\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\u003e4 linear ft. per piece; 13.5 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\u003ePack quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 pieces per box \/ 12 per carton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 lb per piece\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\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 4 ft. piece covers 4 linear feet of ridge and supplies 54 sq in. of net free vent area (13.5 sq in. x 4 ft.). A 12-piece carton covers 48 linear feet of ridge. Size total vent area to balance with intake ventilation per code and manufacturer guidance.\u003c\/p\u003e\u003ch2\u003eFit and Compatibility:\u003c\/h2\u003e\u003cp\u003ePart of the Cor-A-Vent V300 ridge vent line for sloped shingle roofs; must be paired with compatible intake ventilation to achieve balanced airflow. Fasteners and ridge cap shingles are installed over the vent per the manufacturer's instructions.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eFrequently Asked Questions (FAQ):\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: How much ridge does one piece cover?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Each 4 ft. section covers 4 linear feet of ridge; a 12-piece carton covers 48 linear feet.\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 square inches per lineal foot, or about 54 square inches per 4 ft. piece.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How is the vent installed?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Cut the ridge slot per the manufacturer's instructions, fasten the vent along the ridge and cap with ridge shingles.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: Do I need intake ventilation?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, ridge exhaust must be balanced with adequate intake such as soffit venting for the system to work properly.\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eQ: How many pieces are in a carton?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e 12 pieces per box and 12 per carton.\u003c\/p\u003e\u003chr\u003e\u003ch2\u003eExpert Verdict — Reviewed by the SuperArbor Pro Desk\u003c\/h2\u003e\u003cp\u003eWhen sizing exhaust ventilation, match the 13.5 sq in.\/ft. NFVA of this vent to at least an equal amount of intake NFVA, since undersized intake is the most common cause of poor attic airflow. Follow the manufacturer's slot-cut dimensions carefully to avoid over-cutting the sheathing. This 8-1\/2 in. V300 width suits standard shingle-over ridge installations.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eWork on ridges presents a fall hazard; use appropriate fall protection and follow OSHA roof work requirements.\u003c\/em\u003e\u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eOrder the Cor-A-Vent V300 ridge vent for continuous, code-conscious roof exhaust ventilation.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Cor-A-Vent","offers":[{"title":"Default Title","offer_id":53529528009071,"sku":"V-300-CS","price":17.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0830\/3499\/7051\/files\/411286_default_hero.jpg?v=1790350997","url":"https:\/\/superarbor.io\/products\/cor-a-vent-v-300-cs-cor-a-vent-v300-8-1-2-in-x-4-ft-ridge-vent","provider":"Super Arbor","version":"1.0","type":"link"}