When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.
Roof vent 2 12.
The keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less.
It alleviates moisture in the winter and heat in the summer to extend roof membrane life.
The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc.
3 pcs stainless steel wire mesh screen about 12 x 8inch 1mm hole 20 mesh easy to cut air vent mesh hard and heat resisting screen mesh window screen mesh by szonee 11 77 11.
Aura gravity ventilators rely on the venturi effect the creation of an upward draft when wind blows against the outer louvers.
A pitch of 2 12 is the minimum pitch for shingles made of asphalt so your roof just barely makes the cut off for one of the most popular roofing material options.
Vents can be modified to operate up to a 12 12 pitch.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
Resilient asphalt shingles lie much flatter to the substrate than slate tile and concrete which keeps water from being easily blown under them.
This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work.