Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks.
Wood roof decking spans.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
With less than 4 supports a special.
Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
This arrangement is applicable to 4 or more supports 3 or more spans.
Deck beam span table deck joist span table deck joist rule of thumb deck porch construction structural fasteners deck porch post beam connectors.
All pieces are supported on three supports.
4 tongue and groove roof decking.
Plywood is layers of wood.
All end joints occur in line on every other support figure 6.
Steel post cap connectors plywood post to beam cleats other connectors deck porch railings code requirements safety deck framing tables codes specifications questions answers about allowable spans for deck floor or porch framing.