It provides 18 sq.
Gaf wind rain roof vent.
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.
According to the company the exhaust vent is made using of 100 recycled fiber.
Inches per linear foot of net free ventilating area.
Our best slant back galvanized roof louver with fully enclosed hood is an excellent choice against weather infiltration especially in steep slope applications.
How do you pick the right attic vent.
Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer.
Gaf materials 2005 cobra ridge vent 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.
Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.
Provides 18 sq in linear foot of net free ventilating area 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 to escape your attic at the ridge.