The original cobra ridge vent protecting millions of homes comes on a mesh roll for fast and easy installation with no complicated fitting wrapping nail gun adapters connectors or end plugs needed.
Cobra attic ventilation.
Insulation at least r 38 or more is there for heating and.
It can do both.
Here s a look at the gaf cobra ridge vent attic exhaust vent installed with 4 sections https amzn to 2pdescw https amzn to 2smprxm.
See the benefits of attic ventilation a new roof is more than just shingles.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
Divide the square inches of nfa needed at the ridge by the nfa of the cobra exhaust vent cobra exhaust vent has 16 9 sq.
Ridge vent must me installed per the manufactures instructions.
16 9 17 linear feet.
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.
Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.
Best ventilation is open soffit venting to a open vented ridge vent.
Calculate of linear feet of cobra exhaust vent.
Inches of nfa per linear foot 288 sq.
Available in both hand nail and nail gun versions its shingle over design helps it blend into the ridge line.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.
One last thought attic ventilation is not there to get rid of heat it is there to get rid of excess moisture accumulating from the home.
Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.