Cobra Richmond Attic Vents

Cobra 4 rigid vents have 18 0 square inches of nfva per lineal foot.
Cobra richmond attic vents. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. Promote energy efficiency by reducing excessive heat in your attic cobra exhaust vent is a key part of the gaf lifetime roofing system and has even earned the prestigious good housekeeping seal u s. See the benefits of attic ventilation a new roof is more than just shingles. Exact rates depend on the type size and number of units you choose to install.
Ridge vents cost 2 to 3 per linear foot. When installed as part of a properly balanced 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. In hot climates a power vent fan is often mounted behind a gable vent or cut into the roof near the peak to assist this process by forcibly expelling additional hot air from the. To determine how many feet of cobra 4 rigid vent is needed use the following formula.
It provides 18 sq. Installing a roof vent costs between 300 and 650 on average including labor and materials. It features a unique easytear sizing feature that helps eliminate cutting and reduces waste. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed.
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. Vents in the soffit beneath the eaves at the bottom of the attic draw in cool outside air while gable or ridge vents at the peak of the attic allow heated air to exit. When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra rigid vent 3 is a rigid style shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic while resisting wind driven rain infiltration. Gaf mastering the roof chapter 15 90 of homes in north america are inadequately ventilated.
Of nfva needed x 144 18 0 min. Cobra rigid vent 3 exhaust vent for roof ridge allows heat and moisture to escape at the ridge. Lineal feet of ridge vent needed.