1 psf lb f ft 2 47 88 n m 2.
Maximum span for 2x10 roof rafter.
The spans in this table are based on a maximum supported rafter span of 16 feet where the supported span is the total horizontal distance spanned by the roof rafters divided in half not the diagonal distance or the length of the rafter.
2 are indicated below.
This table is simply a sample and may not be valid for your region.
Maximum rafter span of 16 feet.
Patio roof maximum beam rafter spans what is max distance between posts pergola main beams span building span tables for 8 x12 x24 western red pergola beam span calculator.
Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no.
Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
Also available for the android os.
Live load is weight of furniture wind snow and more.
View joist rafter tables.
Also available for the android os.
1 ft 0 3048 m.
Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size.
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.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
For example in the rafter span table below the highlighted cell in the 40 live load table indicates that 2 x 8 southern yellow pine joists that have a grade of 2 that are spaced 24 apart can have a maximum span of 10 feet 3 inches 10 3 if designing for a live load of 40 lbs ft 2.
Span calculator for wood joists and rafters also available for the android os.
Dead load weight of structure and fixed loads 15 lbs ft 2.
Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall.