Gaf Roof Ventilation

Residential and commercial roofing shingles slate roof ventilation roof underlayments asphaltic and tpo roof membranes.

Gaf roof ventilation. Ventilation and attic vents. 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. The amount of exhaust ventilation should never exceed the amount of soffit ventilation. 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.

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. Best seller gaf cobra exhaust vent 10 5 in. 2 see master flow powered ventilation products limited warranty for complete coverage and restrictions. Use this calculator to help determine the proper amount of attic ventilation based on u s.

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. Always have a balanced attic ventilation system. Limited to one way flow to avoid moisture buildup within the roofing structure and material. Gaf attic ventilation calculator.

Proper attic ventilation systems allow a continual flow of outside air through the attic protecting the efficiency of the insulation and helping to lower temperatures in the living space. 1 based on gaf ashrae ansi standard airflow testing. Best seller gaf cobra exhaust vent 10 5 in. Mesh roll ridge vent in black nail gun version model 2005 view the timberline hdz shingle collection.

Roofing shingles and materials plus factory certified roofers including ratings from real homeowners from north america s largest roofing manufacturer. Manufactured out of reinforced 45 mil tpo membrane and galvanized steel for use in venting low slope mechanically attached roofs. 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.