Water-resistive wood joists and fibrous roof sheathing. The roof cover is over the deck. This includes prefabricated residential trussed rafters and joists. The sawtooth design has a serrated cross-section whose shorter, steep or vertical sides have fenestration for light and ventilation.
Roof cover.
Consider the size, spacing and composition of the supports when selecting a quality, as well as the thickness of the deck. Generally, prefabricated members, such as web joists, are low quality, while site-built members are high quality.
Enter the following for this component:
Percent of Total Floor Area: 1 – 100, or
Roof Area (Square Feet)
Roof Structure