Minimum Roof Pitch For Smart Vent

Look at our fasciavent which has been designed more specifically for metal roofs and provides the intake ventilation for flat to 16 12 pitches.

Minimum roof pitch for smart vent.

I will install grace over the entire dormer and shingle as usual. 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. Wood shingles require a minimum roof pitch of 3 12 or greater.

They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. However you can only use this pitch with built up roofing or specialized synthetic roofing. The code here is massachusetts allows shingles on roofs with pitches of 2 12 or steeper so i m good there. I am planning on building a dormer that will come off the ridge with a 2 12 roof.

Most houses with ridge vents do not have the proper soffit ventilation required because attic insulation blocks the soffit vents. Use of ridge or off ridge exhaust vents is required. Stop any roof deck 1 cuts about 12 from rake edges dormer walls or valley areas or at ends of the smartvent runs etc. Smartvent should be installed on shingled roofs with a minimum 4 12 pitch.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Built up roofs require a minimum roof pitch of 1 4 12 or greater. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. There is no maximum slope installation.

Click here for an expanding list of smartvent dealers. Asphalt shingles continue to be the most widely installed roof covering option in north america. Has anyone ever installed a ridge vent on a low slope 2 12 roof. Use the enclosed fabric at the open ends of smartvent to seal for weather.

Slate and slate type shingles require a minimum roof pitch of 4 12 or greater. 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. Use smartvent tapered end caps when terminating smartvent within the shingled area of the roof. Wood shakes require a minimum roof pitch of 3 12 or greater.