Gaf Hip Roof Vent

Calculating the number of linear feet of cobra exhaust vent needed for a 30 x 40 attic.

Gaf hip roof vent.

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. Videos cobra hip vent provides effective ventilation on hip roofs with little or no ridge area. Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the 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.

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. It provides 9 sq. The gaf cobra hip vent provides a great looking easy to install solution for effective exhaust ventilation on homes with little or no ridge. Calculating your ventilation requirements example.

Cobra hip vent is a key part of the gaf lifetime roofing system and has even earned the prestigious good housekeeping seal u s. The cobra hip vent installation is similar to many of the gaf plastic ridge vents you install day in and day out. 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. 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.

Install two cap shingles at the base of the hip nearest the eave edge.