Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.
Gaf cobra attic ventilation.
Cobra rigid vent 3 exhaust vent for roof ridge allows heat and moisture to escape at the ridge.
Inches per linear foot 26 454 m 2 lm of net free ventilating area.
Cobra ridgerunner exhaust vent for roof ridge allows heat and moisture to escape at the ridge.
It provides 12 5 sq.
Inches per linear foot 67 720 m 2 lm of net free ventilating area and its unique easytear sizing feature allows you to hand tear product in 3 76 mm increments no knives necessary and less waste.
It provides 9 sq.
Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic.
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.