Showing results 1 - 11 of 11
Image
Image
Provide flashing and sealing integrated with the air and water control layers for vents and other roof penetrations
Image
Retrofit an existing roof by installing rigid foam above the roof deck with a ventilation space between the rigid foam and the new roof sheathing plus new moisture and air control layers and cavity insulation in the roof rafters.
Image
Right – Battens were installed above the cork insulation to provide a ventilating layer between the insulation and the roof sheathing on this “hot roof” design.
Image
Right – In wildfire prone areas, using a flat soffit with venting on the fascia instead of an angled soffit with down-facing venting reduces the risk of catching rising embers.
Image
Right – The builder routed all vents through side walls to avoid holes in the roof.
Image
The polyethylene ceiling vapor barrier is sealed to form an air barrier around the exhaust fan in this very cold climate location (≥ CZ 6).
Image
Wrong - An open eave with no soffit covering can trap rising hot air and embers from a wildfire.
Image
Wrong - Exhaust pipe is not vertical; poorly installed roofing; roofing odd placement for gable vent.
Image
Wrong - If the soffit is applied directly to the rafter eave, it forms a sloping soffit, which creates a pocket that can trap hot air and embers from a wildfire.
Image
Wrong – The open overhang with exposed timbers and unscreened vent holes make this roof more susceptible to ignition.