The roofing industry also has practical guide lines for attic ventilation.
Attic ventilation system standards.
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.
Ridge vents are one of the easiest ways to meet roof venting requirements.
Whole house fans powered attic fans.
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.
See the benefits of attic ventilation a new roof is more than just shingles.
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.
Owens corning recommends a balanced ventilation system based on the u s.
Ing and installing steep slope roof systems.
Other options to meet your attic ventilation needs are.
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.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.