Proper airflow/ventilation is required on steep-slope roof applications. Prior to completion of project documents, the designer should consult with local building officials to determine the code requirements for ventilation.
11506.3 Material specifications and physical characteristics. Roof-covering materials shall conform to the applicable standards listed in this chapter.
There is growing awareness in the AEC industry of the destructive problems of moisture and air leakage through the building envelope. Building codes have caught up to the findings of building scientists and now require continuous air barriers across the envelope, including at penetrations and openings such as at windows, curtain walls, and doors.
Sustainable roofing systems can be many things, but primarily they are assemblies that provide a covering protecting a building from the elements (i.e., water, sun, cold, and heat) while minimizing their burden on the environment and conserving energy.
Low-slope membrane roof system metal edge securement, except gutters, shall be designed and installed for wind loads in accordance with Chapter 16 and tested for resistance in accordance with ANSI/SPRI ES-1, except the basic wind speed shall be determined from Figure 1609.
GAF has announced an update of its GAF Green Central microsite — the destination for sustainability information on all the company’s product lines including; roofing, roofing accessories, ventilation products and siding.