Most houses have a builtin ridge where a standard ridge vent can be installed. The original versions of these cobra ridge vent products measure twelve inches and work with traditional size cap shingles. Exhaust vent for roof ridge cobra snow country advanced exhaust vent for roof ridge texas department cobra of insurance product evaluation rv29 florida building code fl6267 cobra rigid vent 3 11. Cobra rigid vent 3 exhaust vent for roof ridge is a premium rigidstyle vent with 3 76 mm ring shank nails that allows heat and moisture. If ridge beam is present, cut slot 1 wide on each side of ridge beam. Install a 3 x 12 76 mm x 305 mm strip of selfadhering leak barrier over all junctions between the hip vent and ridge. Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area. How to install cobra ridge vents and attic ventilation mastering. Total attic recommended minimum intake squarelength of cobra ventilation net free footage ridge vent feet area in sq. The color images shown may differ from the actual products due to variances in digital representation and printing technology. The original cobra ridge ventprotects exhaust vent for roof. Roof vents, how to inspect ridge vents from the attic. Leave uncut sheathing are of 6 at each end of the ridge. We hear this question quite often from zimmerman exteriors customers.
It can also improve attic ventilation airflow by up to 20% when installed with existing soffitundereave vents in a properly balanced ventilation system. Gaf cobrar ridge vent exhaustone of the many roofing products available at your local carter lumber, at retailer of gaf roofing products. Gaf cobra intakepro rooftop intake vent lbm journal. Remove excess heat and moisture to protect your roof from premature deterioration. If adding vent to existing roof, remove tiles in that area that the vent is to be located. Mechanical attachment of ridge vent under composition ridge shingle. Eziform ridge vents from eziform sheet metal provide an economical, effective and low maintenance method of exhausting heat, moisture and airborne contaminants from industrial and commercial buildings. Cobra rigid vent 3 exhaust vent is a key part of the.
The ridge vent cut at the roof ridge or peak extends the entire length of the ridge, stopping just a foot or so from either end, and should give 1. Cobra rigid vent 3 exhaust vent for roof ridge allows heat and moisture to escape at the ridge. Cut a 2 slot along the ridge of the roof by cutting 1 on each side of the ridge. The external baffle permits smoke to come out of both sides of the ridge vent, while the unbaffled vent does not. Options available for 10, 12 and metric width ridge cap shingles 16. The original cobra ridge ventprotects exhaust vent for. Allow for a closed area of sheathing 12 at both ends of ridge.
The external baffle of the shingle vent ii permits air to come out of both sides of the ridge vent, while the unbaffled. Gaf offers a full line of ridge vents for use in virtually any climate. First, hot air naturally rises and exits out the ridge vent, pulling in cool air from below. Cut a slot in plywood along roof ridge 2 wide 1 on each side. This will allow the air to easily flow out of the attic and through the respective ridge vent. Is ridge vent alone sufficient for proper ventilation in your attic.
They ventilate at the most effective location on the roof the ridge. Cobra ridge vents rigid vent 3, rigid vent 3 9, snow country, snow country advanced, snow country advanced 9, ridge runner and truslate ridge vent texas dept. For ridge vent to function properly, it must be the only exhaust vent for the vented attic space. Dec 27, 2010 the plywood is cut back about 1 to either side of the ridge. In comparative tests with cobra vent, roll vent, coravent, ventsure, highpoint, and ridgemaster unbaffled ridge vents, the shinglevent ii with its external baffle is consistently proven to be the most reliable ridge vent.
Attach the ridge vent to the deck using 3 long x 0. Cobra exhaust vent is a key part of the gaf lifetime roofing system, and has even earned the prestigious good housekeeping seal applicable in u. Cobra rigid vent products miamidade approval 160217. Cobra ridge vents detailed application instructions. As a result, the external baffle vent of the shinglevent ii evacuates more smoke than the unbaffled vent. Ridge vents work by allowing the hot air to escape up and out through small holes in the ridge vent product. Despite the risk of receiving angry emails from enthusiastic ridgevent manufacturers, i believe these lengthy roof vents may not add much benefit to the average attic in preventing moisture buildup. Gaf lifetime roofing system, and has even earned the prestigious good housekeeping seal see. Cobra rigid vent 3 exhaust vent is a key part of the gaf lifetime roofing system, and has even earned the prestigious good housekeeping seal see reverse. May 10, 20 cobra coiled ridge vent can either be hand nailed or applied with a nail gun. Adding a ridge vent may seem daunting to many people, but with some basic guidelines and useful tips, ridge vents can be installed without any concerns.
Despite the risk of receiving angry emails from enthusiastic ridge vent manufacturers, i believe these lengthy roof vents may not add much benefit to the average attic in preventing moisture buildup. Gaf quickstart peel and stick roofing starter shingle roll. Cobra intakepro detailed installation instructions trilingual format. Step 5 calculate number of feet of cobra exhaust vent how. A premium rigidstyle vent with 3 76 mm ring shank nails that helps exhaust heat and moisture from your attic available in warmer climates.
Throughout the roofing industry, there is a widespread lack of agreement over adequate attic ventilation. Years of research prove that a ridge vent with external baffles and an internal weather filter, combined with under eave venting, is the most efficient system you can install. Adequate soffit ventilation coupled with ridge ventilation produces a pathway for a continuous airflow along the entire underside of the roof deck. See the cobra hip vent to ridge vent miter cut instructions included inside the package. Cobra rigid vent 3 exhaust vent for roof ridge, cobra snow country advanced exhaust vent for roof ridge, and cobra snow country exhaust vent for roof ridge. It can be installed on the hip and ridge to provide a clean and beautiful roof appearance. See the benefits of hip and ridge cap shingles a new roof is more than just shingles.
Effective attic ventilation is critical for a longlasting roof. Ridge ventilation ridge vents the best overall value in attic ventilation, ridge vents combine a low installed cost with exceptional aesthetics. Baffled vents are suggested because they prevent airflow back into the attic through the ridge vent, while still allowing hot air to escape. How ridge vent works ridge vent works on the basis of several principles. Gaf materials 2005 cobra shingle over coil ridge vent, 1012 in. Cobra ridgerunner exhaust vent for roof ridge filtered is an underthe shingle ridge ventilator for providing natural ventilation of enclosed. An aluminum ridge vent has a mushroomshaped profile combined with a wide flange on both sides that sits on top of the roof shingles. In comparative tests with cobra vent, roll vent, cora vent, ventsure, highpoint, and ridgemaster unbaffled ridge vents, the shingle vent ii with its external baffle is consistently proven to be the most reliable ridge vent. A balanced roof ventilation system is critical to the longevity of a roof. Vent should be installed on one side of the ridge of an open attic. Hiperf ridge vent slope to slope shingled version with the new improved design of our hiperf ridge vent, much of the product will come preassembled, reducing the number of fasteners needed by up to 67% and decreasing installation times by up to 50% as compared to other multicomponent products on the market. Cobra coiled ridge vent can either be hand nailed or applied with a nail gun. Oct 01, 2014 a balanced roof ventilation system is critical to the longevity of a roof. Do not use with gableend louvers,turbines, roof vents, or power vents.
Gaf materials 2005 cobra shingle over coil ridge vent, 1012 in w x 20 ft roll l, highimpact polymer, 20 x 10. Available in both hand nail and nail gun versions, its shingleover design helps it blend into the ridge line. Gaf mastering the roof chapter 15 90% of homes in north america are inadequately ventilated. The external baffle of the shinglevent ii permits air to come out of both sides of the ridge vent, while the unbaffled. Made of crushresistant hdpe for unbeatable durability and works with a wide variety of roofing materials. Cobra rigid vent 3 attic exhaust ventilation sell sheet. The main problem i observe in creating a lack of proper air movement in attics is minimal or blocked soffit vents, not a lack of roof venting. The weather vent should always be installed in combination with a balanced soffit vent system. Its important to note the the cobra vent should not extend all the way to the gable ends of the roof. A hip vent is specifically created to help ventilate houses without a natural ridge, or point, in its structure. A ridge vent runs the entire length of the roof peak, blending into the roofline for a more attractive home. Quarrix rigid roll and rigid section ridge vent is the most durable and versatile attic ventilation product on the market. Cobra exhaust vent for roof ridge miamidade approval 141224.
Should have 34 rough opening on either side of ridge pole or on either side of peak on truss construction. Jun 04, 2014 a hip vent is specifically created to help ventilate houses without a natural ridge, or point, in its structure. A properly balanced attic ventilation system will help to. In this video, we highlight gaf s cobra ridge vent system and when ridge vent can and cant be used on a home. The original cobra ridge vent, protecting millions of homes, comes on a mesh roll for fast and easy installation with no complicated fitting, wrapping, nail gun adapters, connectors, or endplugs needed. In this video, we highlight gafs cobra ridge vent system and when ridge vent can and cant be used on a home. Application instructions for coolridge sectional ridge vent 1.
There are several types of ridge vents mesh vents, corrugated vents and baffled vents. The plywood is cut back about 1 to either side of the ridge. With the top section of the cobra hip vent properly sized and butted tightly to the ridge vent, fasten in accordance with step 3. Gaf cobra ridge runner roof ridge vent attic exhaust. Its contractorfriendly and blends into the hip line to allow for a greatlooking finished roof. Hip vents are great solutions to provide the proper attic ventilation solution and protect your home and roofing deck from the effects of weather. Peel away the shingles from the ridge cap of the roof with a flat bar, saving as many shingles as possible for later use. Get automatic lifetime protection on your entire gaf roofing system when you install any gaf lifetime shingle and at least 3 qualifying gaf accessories, youll automatically get a lifetime limited warranty on your shingles and all qualifying gaf accessories. Air vent 84405 continuous ridge vent, aluminum, crv100br, 10. This aluminum cap is the finished product and does not require additional asphalt shingle ridge caps.
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