Showing results 1 - 12 of 12
Image
During high wind events, vortices form along the edges of the roof creating areas of localized negative pressure (“suction”) above the roof
Image
Low-slope roof assemblies constructed of two deck sheathing layers sandwiching rigid foam, and topped with mechanically fastened membrane
Image
Right - An unvented attic with no soffit vents, borate-treated fascia board, metal drip edge, and concrete block construction on this south Florida home help make it resistant to hurricanes, pests, and wind-born wildfire embers.
Image
Right - Continuous wall sheathing and blocking has been installed to brace the raised heel trusses.
Image
Right – Closed-cell polyurethane foam is sprayed on the underside of the roof deck to provide structural connections and seal seams in the sheathing to increase wind resistance
Image
Image
Right – Roof underlayment is fully adhered and roof deck seams are sealed so roof is resistant to high-wind events
Image
Right – Roof underlayment is fully adhered and roof deck seams are sealed so roof is resistant to high-wind events
Image
Image
Wrong – Roof underlayment is not fully adhered and roof deck seams are not sealed so roof is susceptible to high-wind events
Image
Wrong – The roof sheathing was inadequately fastened and gave way causing the gable end wall to fail
Image
Wrong – This gable end wall failed because connectors were missing at points of support (blue circles) and the outlookers were not connected to the end truss (yellow circle)