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