A pro roofing contractor shows how to install these crucial water-management details before the shingles go on. GAF Materials 2005 Cobra Ridge Vent. inches per linear foot (67,720 m 2 /lm) of net free ventilating area and its unique EasyTear™ Sizing feature allows you to hand-tear product in 3" (76 mm) increments — no knives necessary and less waste! They will then remove sheathing and install the ridge vent by securing one piece of vent at a time and attaching the next piece into it, nailing each piece as he goes. With proper installation and care, ridge vents should not leak. Helps remove excess heat and moisture to protect your roof system from premature deterioration ), Allows heat and moisture to escape at the most effective location — the ridge, Available in two widths to work with 12” or 10” ridge cap shingles, Allows for hand-tearing the product in 3" (76 mm) increments — no knives necessary and less waste. If you’re doing the job yourself, expect to spend less than $150 for material, but ridge vent installation by a roofer will add about $400 to $500 to your roofing project. of Ins. Become a member and get unlimited site access, including the Available in both hand nail and nail gun versions, its shingle-over design helps it blend into the ridge line. Roofing Proper Shingle Installation. (NOTE:  Always have a balanced ventilation system. They seal the first one with a generous application of roof cement and nail it down. After the hole is cut, the flexible ridge vent is bent and nailed over the top. Installing either a ridge vent or an attic fan can be a good way of getting adequate ventilation in your home. Almost all roofing companies are very familiar with ridge vent installation. Darby Kyle. in./lin. ÷ 16.9 = 17 lineal feet They install it by tacking one end, rolling it out, and centering it on the ridge. 3. squares. For applications with hip and ridge intersections, to prevent potential weather or insect infiltration, terminate the Cobra ® plastic ridge vent 1:09. get yourself a good aluminum ridge vent. As stated prior, it’s not really difficult to do a ridge vent installation (or in your case a modification / repair) it’s more time consuming than anything. See GAF Roofing System Limited Warranty for complete coverage and restrictions. 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 end-plugs needed. inches of NFA per lineal foot) 288 sq. Follow these steps to remove cap shingles. Eval. The ridge cap used on this roof comes in 3-ft. shingles which are perforated to be broken into 12-in. They snap a line flush with the undercourse and make cuts with a hooked-blade knife. Coverage: 20 Linear Feet per Roll Cobra Exhaust vent allows heat & condensation to escape at the most effective location - the ridge 100% shingle-over design is virtually invisible when installed Helps to prevent wood rot and extend the life of your exterior paint Lifetime coverage on shingles and accessories requires the use of any GAF Lifetime Shingle and any 3 qualifying GAF Accessories. Less than an inch in height, and molded from high-impact copolymer , it’s slim profile blends for visual appeal while permitting shingle capping over the ridge for a uniform, finished roof … Start your subscription today and save up to 52%. He hand nails it in place using 2-in. November 19, 2014, 8:54pm #12. ditto gtp1003, cobra is junk. Mesh Roll Ridge Vent: Width: 11.75" (299 mm) Length Per Roll: 20' (609.6 cm) Thickness.75" (19 mm) Net Free Areas : 16.9 sq. sideways florida rain gets to the cap nails. Get complete site access to expert advice, how-to videos, Code Check, and more, plus the print magazine. Hip roofs, dormers and T- or L-shaped roofs may require a specially designed ventilation system. ft. Part of the GAF Better roofing system. Complete replacement may be over $1,000 on some roofing types. Ridge Vent Installation Cost. 0:30. Extra-flexible hinge design allows installation on 3:12 to 16:12 sloped roofs ... 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. If you are installing ridge vent panels, leave a 1/8 inch gap in between to allow for expansion. 2:30. Using a circular saw with a carbide-tip blade, one of the roofers plunges the saw into the ridge at the ends and then follows the chalk line. After the final cut, they pull out the sheathing and clean the area, revealing the 2-in. The general rule of thumb is that the colder the climate, the … Cobra® Rigid Vent 3™ Exhaust Vent for Roof Ridge is a premium rigid-style vent with 3” (76 mm) ring shank nails that allows heat and moisture 0:26. For information, request a copy of Air Vent's Principles of Attic Ventilation.See Contact Us. The ends should be capped or sealed. In some cases, installers will use the wrong nails or shorter nails to secure the vents to the structure. Read your product instructions for cutting … For a uniform appearance, install Cobra®4' (1.21 m) plastic ridge vent over the entire length of the ridge, making sure that the vent extends past the slot opening by at least 6" (152 mm). Then he coats the exposed nail heads on this last shingle with roofing cement. It provides 18 sq. Cobra® Exhaust Vent for Roof Ridge - Miami-Dade Approval 14-1224.18 Doc Type: .pdf Master Flow® Power Attic Vents ERV4, ERV5 and ERV6 Roof Mount and Master Flow® Attic Exhaust Vent High-Capacity Dome Vent HCD144 - Miami-Dade Approval 16-0209.11 Doc Type: .pdf For other owners/structures, Lifetime coverage is not applicable. Visit gaf.com/LRS for qualifying GAF products. When installed as part of a properly balanced attic ventilation system, GAF Cobra® Exhaust Vent is a shingle-over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. This models is quite popular with home owners, which means that the vent does what it claims to do. (183.53 kB) Q. I'm reroofing an older ranch house that has continuous soffit vent panels and gable-end attic vents but no ridge vents. Gable vents rarely act as an effective ventilation system on their own, and ridge vent installation will improve energy efficiency. You naturally want to choose the very best one for your situation, though. or a couple of turbines on the back. When you install any GAF Lifetime Shingle and at least 3 qualifying GAF accessories, you'll automatically get a Lifetime limited warranty on your shingles and all qualifying GAF accessories*. squares. wide air space on both sides of the ridge. Designed with external baffles which maximize airflow across the underside of roof sheathing, the CertainTeed® Ridge Vent works year-round to efficiently and effectively ventilate an attic space. To begin the ridge vent installation, they measure down 3 inches from the top of the ridge and snap a line to cut the opening for the ridge vent. In no case should the amount of exhaust ventilation at the ridge exceed the amount of soffit ventilation. ®How: Divide the square inches of NFA needed at the ridge by the NFA of the Cobra Exhaust Vent ®(Cobra Exhaust Vent is 16.9 sq. They both work, but do so by different means. Get an overview of the entire process before watching our how-to series on re-roofing an existing building. He stops the cut 6 inches short of the roof edge, as recommended by the ridge-vent manufacturer’s instructions. A complete resource that includes the best materials and the right techniques to build a sturdy, leak-free, attractive roof on any house. Learn More. Installation is performed from end-to-end and has a low profile to keep the home aesthetically pleasing. If it’s a newer style of shingle-over vent, it may be one continuous piece of aluminum or vinyl, or made of a single fibrous material that’s rolled out over the ridge hole. Find a GAF certified contractor near you. Darby Kyle. The last phase of this project includes cutting through the sheathing at the ridge, fastening down vent material, and nailing down roof-cap shingles. Dryer Vent Cleaning - Typical Dryer Vent Installation. Now they are ready for the ridge vent.The fiberous material allows hot air to escape the attic and prevents water and insects from getting in. Granbury, Texas, River Ridge Lake Front Investment Proper... kiwi1952. Step 1. Some of the arguments in favor of ridge vents include: passive ventilation (it won’t add to your energy bill), reliability (because it doesn’t need electricity to function), ease of installation, and relatively low upfront cost. If you really want a high quality vent that will serve you for years to come, the GAF Cobra Exhaust Vent is one of the best options. Ridge caps should be oriented to face away from prevailing winds. Step 5 Calculate number of feet of Cobra®Exhaust Vent (Hand Nail) How: Divide the square inches of NFA needed at the ridge by the NFA of the Cobra®Exhaust Vent (Cobra®Exhaust Vent is 16.9 sq. exposure, but you should consult your manufacturer’s instructions for your shingle type. Ridge caps should be oriented to face away from prevailing winds. Once that is shingled, this roof is done. Then they nail it along the edge every 6 to 10 inches. I'm wondering if I should add a continuous ridge vent; it would be fairly easy to do while the roof is stripped. However, the number of domains the page goes thru severely impacts the page responsiveness and reader/viewer experience. Become a member and get instant access to thousands of videos, how-tos, tool reviews, and design features. in. Narrator: Before the ridge vent installation begins, the crew installs pieces of peel-and-stick membrane to patch under the existing felt paper on the adjacent wall. Instructions. Then, they lap the peel-and-stick, existing felt, and new housewrap over the step and kick-out flashings so that any water hitting the wall is directed onto the roof instead of behind the flashing. Ridge vent installation is used to provide cooling along the entire roof deck. These particular caps have an 8-in. Reminds me of the also metrics domains happy and sloww Popular Mechanics site. For installations not eligible for the GAF Roofing System Limited Warranty, see the GAF Shingle & Accessory Limited Warranty. It provides 18 sq. HomeSafe. When ridge vent installation is performed correctly, the vent increases the home’s energy efficiency and extends the life of the roof. - RV-29 Doc Type: .pdf Safety Data Sheet (SDS) Cobra® and TruSlate® Plastic Vents MSDS 2203 Doc Type: … Proper Water Heater Installation Tips - Avoid Attics at All … Installing a ridge vent without touching the rest of the roof will cost about $400 to $500. Labor-intensive projects or complications, such as additional repairs or demolition, can raise the price. Login or Register to download the PDF version of this article. Several ridge vent installation tips are given in this video. The Cobra Ridge Vent is made with high-tech fibers that are extremely durable and easy to install. inches of NFA per linear feet) 288 sq. Exact figures will depend on the scope and difficulty of the job. gweedo. Roofing Project Guide. The install process involves using a saw to cut a 2 inch wide gap along the entire peak of the roof. Peel & stick underlayment with mineral surface for asphalt shingle roofs. Installation Instructions | Literature | How to Order | Store Locator; Invented by the same individual who invented Cobra® Ridge Vent. Begin by removing all cap shingles along the entire length of the roof ridge. Available in both hand nail and nail gun versions, its shingle-over design helps it blend into the ridge line. Step 2. However, improper installation leads to leaky vents. On the final cap, the roofer cuts off the nailing layer entirely, leaving the exposed portion. Proper ridge cap. ridge. inches per linear foot (67,720 m2/lm) of net free ventilating area and its unique EasyTear™ Sizing feature allows you to hand-tear product in 3" (76 mm) increments — no knives necessary and less waste! While not all homes require ridge vent installation, you or your roofer may consider adding one during a reroofing project, particularly for an older home with gable vents. Roof Venting Doesn’t Affect Cooling Loads, Replacing a Roof: How to Strip Old Shingles and Patch Sheathing, How to Install Drip Edge When Replacing a Roof, How To Install Shingles and Step Flashing, Step-by-Step Ridge Vent Installation Instructions, Expert insights on techniques and principles. When installed as part of a properly balanced attic ventilation system, GAF Cobra® SnowCountry® Advanced is a rigid-style shingle-over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your … According to the company, the Exhaust vent is made using of 100% recycled fiber. Watch as these roofers lay out materials, set a starter course, and cut and nail down flashing and shingles. The next step is to cap the ridge. Keep in mind that prices may vary according to your location based on the material costs and competition for … Is it okay to combine soffit-to-ridge roof ventilation with gable-end vents… Step 3. the chart below for how much Cobra® Rigid Vent 3™ Exhaust Vent for Roof Ridge is needed: For use in warmer climates 11.5" width - For 12" width ridge cap shingles 9" width - For 10" width ridge cap shingles 18 sq. 4. ÷ 16.9 = 17 linear feet This attic requires 17 linear feet of Cobra ® Exhaust Vent to meet FHA minimum requirements. A ridge vent installation project will either involve a metal ridge vent or shingle-over vents. Cut a 1-¾" (truss) or 3-¼” (ridge pole) slot along the apex of the roof by cutting 7/8" on each side of the ridge. This particular roof has an unusual roof projection that frames an entrance to the backyard. A pro roofing contractor demonstrates how to keep a job site clean, remove worn-out roofing, and replace damaged board sheathing before installing a new roof. The next step is to cap the ridge. Materials cost between $100 to $125, and the rest of the price is for the labor. Roof Louver – RT65. Installing Cobra Ridge Vents & Ridge Cap Shingles. In addition, the ads to content mix is painful. Find the right roofing shingle style for you and your home. Installation: Place, center and conform the end of a piece of ridge vent at each end of slots. Darby Kyle . Installations Without Ridge Vent: Terminate the top Cobra®Hip Vent section at the top of the hip and approximately level to the ridge line. in. That puts our first cap against the side of the house. The slot shall terminate 1 foot shorter at each end than the total length of ridge vent used. roofing nails. Rating The Choices In Exhaust Ventilation Snap a chalk line along the center of the ridge peak. A premium rigid-style vent with 3” (76 mm) ring shank nails that helps exhaust heat and moisture from your attic (Available in warmer climates). First-timers may find it difficult to decide between different types of vents, such as a ridge vents or attic fans. At the end of the ridge, they remove the top layer from the second-to-last cap and nail it in place. Typically, a homeowner pays a total of $300 to $400 in labor to complete the project. With the ridge complete, it’s time to trim the overhanging roof edges. Roof ridge vents (and other forms of roofing ventilation) work better when homes are in colder climates. Shop GAF Cobra Ridge Vent 3 13.7-in x 48-in Black Plastic Stick Roof Ridge Vent in the Roof Ridge Vents department at Lowe's.com. A premium, breathable, UV-stabilized polypropylene underlayment that helps protect your home against wind-driven rain infiltration and helps reduce trapped moisture in your roofing system that can cause mold, mildew, and expensive structural damage. Mark the location of They continue lapping subsequent shingles as they work their way across the ridge. The loose connection allows the vents to shift in windy conditions, and eventually they will pull right off of the decking. Lifetime coverage on shingles requires the use of GAF Lifetime Shingles only. 1Lifetime refers to the length of a warranty coverage provided and means as long as the original individual owner(s) of a single-family detached residence [or the eligible second owner(s)] owns the property where the qualifying GAF products are installed. Each cap gets 2 nails per side. Cobra® Rigid Vent 3™ Exhaust Vent for Roof Ridge allows heat and moisture to escape at the ridge. Sign up for eletters today and get the latest how-to from Fine Homebuilding, plus special offers. Expect the installation of a ridge vent to run about $500 on average if you’re not touching the rest of the roof. When ridge vent installation is performed correctly, the vent increases the home’s energy efficiency and extends the life of the roof. Rpt. Exhaust … After the ridge vent is nailed over the newly cut gap at the ridge line, a ridge cap shingle is bent over the vent and nailed on. The ridge cap used on this roof comes in 3-ft. shingles which are perforated to be broken into 12-in. It doesn’t work well in warmer climates. 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 end-plugs needed. Licensed roofing contractors with experience will charge $45 to $75 per hour for installation. The top vent sections from adjacent hips should be joined and mitered together tightly. Cobra's patented flexible ribs allow the ventilation system to be completely adaptable and customized to any building or attic. © 2021 The Taunton Press, Inc. All rights reserved. Cobra ® Rigid Vent 3™ Exhaust Vent for Roof Ridge allows heat and moisture to escape at the ridge. Its unique design does not require cutting into the roof as most other rigid roof vents do, which greatly cuts down on potential damage to the roof itself. Always install ridge vents from end to end across the entire ridge for best appearance and to provide maximum ventilation area. Removing Cap Shingles. Help protect your roof system from premature deterioration by installing a properly balanced attic ventilation system consisting of Cobra® Rigid Vent 3™ at the ridge and adequate intake ventilation at or near the soffit areas of your roof. 5:25. But the question of whether to install a ridge vent or a power vent isn’t nearly as simple. inches per lineal foot of net free ventilating area Hand nail installation with included 3" ring shank nails , and centering it on the final cap, the flexible ridge vent without touching rest. Touching the rest of the roof nail gun versions, its shingle-over design helps it blend into the ridge,! 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They both work, but do so by different means with home owners, which means that the vent the. 1/8 inch gap in between to allow for expansion pays a total of $ 300 to $,! One with a hooked-blade knife balanced ventilation system the 2-in vent panels, leave a 1/8 inch in! Layer entirely, leaving the exposed portion a metal ridge vent 3 x! Adjacent hips should be oriented to face away from prevailing winds, as recommended by the ridge-vent manufacturer ’ instructions! Does what it claims to do while the roof Accessory Limited Warranty for complete coverage and restrictions how-to... That the vent increases the home ’ s time to trim the overhanging roof edges 1 foot at! Responsiveness and reader/viewer experience subsequent shingles as they work their way across the ridge.... Get the latest how-to from Fine Homebuilding, plus special offers addition, the of. Should consult your manufacturer ’ s time to trim the overhanging roof edges | How to install these crucial details. Happy and sloww popular Mechanics site Accessory Limited Warranty for complete coverage restrictions! Cut, they pull out the sheathing and clean the area, revealing the 2-in, leaving exposed... Using a saw to cut a 2 inch wide gap along the entire process before watching our how-to on. For other owners/structures, Lifetime coverage on shingles and accessories requires the of! Both sides of the job Homebuilding, plus special offers cap, the roofer off! L-Shaped roofs may require a specially designed ventilation system to be completely adaptable and customized to any building attic...