Cobra rigid vent 3 exhaust vent for roof ridge allows heat and moisture to escape at the ridge.
Cobra attic ventilation.
For proper ventilation the amount of undereave ventilation must equal the amount of ventilation at the ridge.
Tips for assessing your needs.
To achieve a òbalanced systemó with cobra 4 rigid vents there must be an air intake system i e soffits or undereave vents.
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.
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.
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.
Cobra hip vent provides effective ventilation on hip roofs with little or no ridge area.
It provides 18 sq.
It provides 9 sq.
Consult local building codes for other ventilation requirements.
Cobra ventilation products ul evaluation report ul er15072 01 doc type.
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.
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.
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.
Pdf cobra ventilation products and truslate ridge vent icc esr 1265 doc type.
Help protect your roof system from premature deterioration by installing a properly balanced attic ventilation system consisting of cobra exhaust vent at the ridge and adequate intake ventilation at or near the soffit areas of your roof.
Inches per linear foot 19 051 mm 2 lm of net free ventilating area to help exhaust heat and moisture from the attic.
Pdf codes miami dade noas.
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.
Attics need effective ventilation to keep homes cool.
Helps remove excess heat and moisture to protect your roof system from premature deterioration.