User manual GAF COBRA SNOW COUNTRY ADVANCED EXHAUST VENT FOR ROOF RIDGE SELL SHEET UPDATED 08-2010

[. . . ] Cobra® Snow Country Advanced Exhaust Vent For Roof Ridge Sell Sheet Updated: 8/10 Quality You Can Trust Since 1886. . . [. . . ] Allows heat and condensation to escape Professional's Best Choice · Effective. . . Balanced ventilation requires an equal amount of intake ventilation and exhaust ventilation. GAF-Elk recommends, at a minimum, providing 1 square foot of Net Free Ventilation for every 300 square feet of attic floor space. Consult local building codes for specific ventilation requirements in your area. Calculate the total square footage of the attic floor area (round up to the next highest number). This number will determine the minimum total linear feet of Cobra® Snow Country AdvancedTM exhaust vent that is needed. Find the appropriate amount of Cobra® Snow Country AdvancedTM exhaust vent and minimum intake ventilation that corresponds to the total attic square footage. Total Attic Square Footage Balanced Ventilation Requirements Provides 18 sq. EasyTearTM feature allows you to hand-tear product in 3" increments­no knives necessary and less waste!Extra-flexible hinge design allows installation on 3:12 to 16:12 sloped roofs. · No Based on 1/300 Rule Recommended Length of Cobra Snow Country Advanced Exhaust Vent (Feet) ® TM Minimum Intake Ventilation (Net Free Area in Sq. [. . . ] From North America's Largest Roofing ManufacturerTM RESCB152 XXXXXX-XXX ©2010 GAF-Elk Corporation · 8/10 · #105 [. . . ]