Minimum Roof Pitch For Smart Vent

Built up roofs require a minimum roof pitch of 1 4 12 or greater.

Minimum roof pitch for smart vent.

Most houses with ridge vents do not have the proper soffit ventilation required because attic insulation blocks the soffit vents. I will install grace over the entire dormer and shingle as usual. Use smartvent tapered end caps when terminating smartvent within the shingled area of the roof. I am planning on building a dormer that will come off the ridge with a 2 12 roof.

Smartvent should be installed on shingled roofs with a minimum 4 12 pitch. Has anyone ever installed a ridge vent on a low slope 2 12 roof. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. Look at our fasciavent which has been designed more specifically for metal roofs and provides the intake ventilation for flat to 16 12 pitches.

Wood shingles require a minimum roof pitch of 3 12 or greater. However you can only use this pitch with built up roofing or specialized synthetic roofing. Wood shakes require a minimum roof pitch of 3 12 or greater. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Asphalt shingles continue to be the most widely installed roof covering option in north america. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Click here for an expanding list of smartvent dealers. Use of ridge or off ridge exhaust vents is required.

There is no maximum slope installation. If you have any questions or comments on installation please call 1 800 622 4455 and ask for a roof ventilation technician to assist you. Of net free area per linear foot minimum 3 12 roof pitch with no maximum louver openings are sized to minimize insect infiltration and. Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.

Stop any roof deck 1 cuts about 12 from rake edges dormer walls or valley areas or at ends of the smartvent runs etc. Use the enclosed fabric at the open ends of smartvent to seal for weather. Internal baffles drainage system and weather filter provide 3 levels of weather protection integrated end plug on both ends of vent provide a finished appearance and weather protection each vent has 9 sq. Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.