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