Attic Ventilation System Standards

Owens corning recommends a balanced ventilation system based on the u s.

Attic ventilation system standards. Intake vents located at the lowest part of the roof under the eaves allow cool. 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. Anyone involved with residential roofing should become familiar with the purpose of attic ventilation and understand how to achieve an effective ventilation system while meeting building code requirements. 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.

Attic venting serves an important purpose and is key to a well performing roof system. Ing and installing steep slope roof systems. Typically building codes include minimum requirements applicable to attic ventilation. 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.

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. Code requirements the international building code 2012 edition ibc 2012 requires enclosed attics and enclosed rafter spaces formed.