Minimum Roof Pitch For Smart Vent

Use smartvent tapered end caps when terminating smartvent within the shingled area of the roof.

Minimum roof pitch for smart vent.

Asphalt shingles continue to be the most widely installed roof covering option in north america. Use the enclosed fabric at the open ends of smartvent to seal for weather. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Wood shingles require a minimum roof pitch of 3 12 or greater.

Smartvent should be installed on shingled roofs with a minimum 4 12 pitch. 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. Built up roofs require a minimum roof pitch of 1 4 12 or greater.

Of net free area per linear foot minimum 3 12 roof pitch with no maximum louver openings are sized to minimize insect infiltration and. 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. Smartvent allows cooler air to enter under the shingle through the 1 roof slit and out the ridge vent providing superior air flow and attic cooling. However you can only use this pitch with built up roofing or specialized synthetic roofing.

The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles. Look at our fasciavent which has been designed more specifically for metal roofs and provides the intake ventilation for flat to 16 12 pitches. Slate and slate type shingles require a minimum roof pitch of 4 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.

The code here is massachusetts allows shingles on roofs with pitches of 2 12 or steeper so i m good there. Use of ridge or off ridge exhaust vents is required. Most houses with ridge vents do not have the proper soffit ventilation required because attic insulation blocks the soffit vents. Click here for an expanding list of smartvent dealers.

The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. I am planning on building a dormer that will come off the ridge with a 2 12 roof. Smartvent can be modified to provide intake ventilation for new roofs or re roofs through the fascia board for low slope roof with less than a 4 12 pitch. Wood shakes require a minimum roof pitch of 3 12 or greater.