Attic Ventilation System Standards

Other options to meet your attic ventilation needs are.

Attic ventilation system standards.

Code requirements the international building code 2012 edition ibc 2012 requires enclosed attics and enclosed rafter spaces formed. A standard powered exhaust vent turns on when the temperature inside the attic. Standard attic vents like af 50 s ventilation fans or solar powered attic fans. Fans and vents may be installed on the roof system that will draw the air out of the attic space and exhaust it to the exterior.

Ing and installing steep slope roof systems. Let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. The ridge vent is installed on the peak with nails and shingled over for aesthetic purposes. These fans may be controlled by a switch or a thermostat which detects heat build up in the attic space and automatically exhausts the attic space.

Owens corning recommends a balanced ventilation system based on the u s. Whole house fans powered attic fans. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. 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 roofing industry also has practical guide lines for attic ventilation.