When installed as part of a properly balanced attic ventilation system gaf cobra rigid vent 3 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 infiltration.
Cobra attic ventilation.
For proper ventilation the amount of undereave ventilation must equal the amount of ventilation at the ridge.
New hip vent cobra 2 proper attic ventilation consists of a balance between air intake at your eaves or soffits and air exhaust at or near your roof ridge.
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.
See the benefits of attic ventilation a new roof is more than just shingles.
To achieve a òbalanced systemó with cobra 4 rigid vents there must be an air intake system i e soffits or undereave vents.
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.
Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.
Gaf mastering the roof chapter 15 90 of homes in north america are inadequately ventilated.
It provides 18 sq.
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.
Cobra ventilation products ul evaluation report ul er15072 01 doc type.
Cobra rigid vent 3 exhaust vent for roof ridge allows heat and moisture to escape at the ridge.
Helps remove excess heat and moisture to protect your roof system from premature deterioration.
Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic.
The federal housing administration recommends a minimum of at least 1 square foot of attic ventilation both intake and exhaust for every 300 square feet of attic space.
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.
Tips for assessing your needs.
Attics need effective ventilation to keep homes cool.
Consult local building codes for other ventilation requirements.
Cobra exhaust vent for roof ridge miami dade approval 14 1224 18 doc type.
Pdf cobra ventilation products and truslate ridge vent icc esr 1265 doc type.