Oregon Residential Specialty Roof Ventilation

Chapter 8 roof ceiling construction.

Oregon residential specialty roof ventilation.

2017 oregon residential specialty code orsc adopts with amendments. Or air movement and control association amca residential ventilation standards. Eight of the adopted specialty codes are available to read online. Roof vents must have between 40 and 50 of the vents located within 3 of the peak to take advantage of ventilation area reductions.

Amendments errata helpful tools and additional information can be found on the code program page. The remaining codes are comprised of multiple standards listed on the program pages. This code applies to the construction reconstruction and repair of one and two family dwellings and townhouses. International residential code 2015 irc 2015.

Advantages of proper roofing ventilation. See the benefits of attic ventilation a new roof is more than just shingles. The installation of roof vents is a crucial part of roof design because it allows for proper attic ventilation which may help prevent condensation and early aging of your roofing materials. 1503 6 crickets and saddles.

Cargo containers used as accessory storage structures irc 1 2 1 29 13. International residential code and oregon residential specialty code orsc chapter 1. International residential code 2015 irc 2015. Table m1507 4 minimum required local exhaust rates for one and two family dwellings.

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 oregon residential building code is updated to the 2017 edition beginning october 1 2017. Although there are many different types of roof vents to choose from ensuring you have the right number of both. After january 1 2018 all work must conform to the new code.

Intake and exhaust vents shall be provided in accordance with section 1203 2 and the manufac turer s installation instructions. 2017 oregon residential specialty code orsc. A cricket or saddle shall be installed on the ridge side of any chimney or penetration. The division works to ensure the adopted codes and standards are accessible.

2017 oregon residential specialty code orsc adopts with amendments. Area to be exhausted. The division works with building officials technical committees advisory boards and the public to adopt amend and interpret the oregon residential specialty code orsc.