Intake and ridge vents working together are best.
Gaf roof ridge vent installation.
All manufacturers require attic ventilation.
Grasp attached nails by the head and peel back.
For cobra snow country advanced and cobra rigid vent 3 only use the e z nail system.
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.
A new roof is more than just shingles.
Gaf mastering the roof chapter 15 90 of homes in north america are inadequately ventilated.
Grasp attached nails by the head and peel back.
Rotate nail to vertical position for easy removal figure e.
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.
Attics need effective ventilation to keep homes cool.
Ridge vent installation place center and conform the cobra 4 rigid vent over the slot with the vent resting firmly against the roof surface.