2x6 Roof Rafter Span

To size joists and rafters use the maximum span tables for southern yellow pine.

2x6 roof rafter span. This rafter span calculator is species specific for douglas fir hemlock etc. Visit the roof framing page for more information on cutting roof rafters and visit the roof pitch calculator for determining rafter lengths based on rise and run. If you look at the rafter span chart you ll notice that 2x4s can be used for rafters on spans up to 11. Dead load weight of structure and fixed loads 15 lbs ft 2.

Span calculator for wood joists and rafters also available for the android os. Also available for the android os. 2 are indicated below. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no.

Rafter span tables use these tables to determine lengths sizes and spacing of rafters based on a variety of factors such as species load grade spacing and pitch. 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. 1 psf lb f ft 2 47 88 n m 2. These numbers are for roofs supporting light loads of 20 pounds for square foot.

Can span up to 13 4. More roof calculators roof truss calculator how to cut rafters. An spf roof at the same spacing and lumber size will span 11. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

That means it can span a total length of over 26 for a gable roof. Anything beyond that you are looking at using 2x6s for most sheds. So this table could accommodate a house with a total rafter span or house width of 32 feet. Live load is weight of furniture wind snow and more.

An syp 2 6 rafter at 24 o c. 1 ft 0 3048 m.