Gaf Hip Roof Vent

Videos cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.

Gaf hip roof vent.

Cobra hip vent is a key part of the gaf lifetime roofing system and has even earned the prestigious good housekeeping seal u s. It provides 9 sq. Get automatic lifetime protection on your entire gaf roofing system 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. Calculating your ventilation requirements example.

Product overview 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. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space. Adequate attic ventilation reduces the amount of initial melting that occurs on your roof thereby reducing the chance that ice dams will form.

The cobra hip vent installation is similar to many of the gaf plastic ridge vents you install day in and day out. Calculating the number of linear feet of cobra exhaust vent needed for a 30 x 40 attic. The first step is to check out this 60 second video and learn about the 300 1 rule the difference between intake and exhaust ventilation and why proper ventilation is so important to get right to help calculate your attic ventilation needs visit gaf ventilation calculator. For a uniform appearance install cobra hip vent over the entire length of the hip making sure that the vent always extends pastthe bottom and top hip slot openings by at least 12 305 mm.

Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic.