Roof Attic Vents Details

See the benefits of attic ventilation a new roof is more than just shingles.

Roof attic vents details.

Attic vents relieve humidity during the winter and heat during the summer to help extend roof membrane life. Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof. The keepa attic vent is typically used for ventilating attics and or plenums as a roof exhaust vent or as an air intake roof vent the keepa attic vent comes with a standard flange that. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed.

The keepa attic vent is built solely for flat roof ventilation a roof pitch that is 2 12 or less. The irc adds that the nfva ratio can also be reduced to 1 300 if 50 to 80 of the required. 12 different types of roof vents. A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them.

These are static vents without any moving parts and are installed over a hole that has been cut into the roof. Drip edge vents are a two in one installation that promote water shedding at the eaves and rakes of a roof while also allowing for ventilation into the attic.