Wood shingles require a minimum roof pitch of 3 12 or greater.
Minimum roof pitch for smart vent.
Has anyone ever installed a ridge vent on a low slope 2 12 roof.
Wood shakes 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.
Use smartvent tapered end caps when terminating smartvent within the shingled area of the roof.
I will install grace over the entire dormer and shingle as usual.
Asphalt shingles continue to be the most widely installed roof covering option in north america.
Slate and slate type shingles require a minimum roof pitch of 4 12 or greater.
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.
I am planning on building a dormer that will come off the ridge with a 2 12 roof.
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 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.
Of net free area per linear foot minimum 3 12 roof pitch with no maximum louver openings are sized to minimize insect infiltration and.
Built up roofs require a minimum roof pitch of 1 4 12 or greater.
The code here is massachusetts allows shingles on roofs with pitches of 2 12 or steeper so i m good there.
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.
They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends.
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 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.
Most houses with ridge vents do not have the proper soffit ventilation required because attic insulation blocks the soffit vents.
Smartvent should be installed on shingled roofs with a minimum 4 12 pitch.
Mineral surfaced roll roofing requires a minimum roof pitch of 1 12 or greater.
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.