Maximum Span Of Roof Trusses In Ft

2 are indicated below.

Maximum span of roof trusses in ft.

For example an 8 10 metre span for a timber truss is quite a long one and can lead to problems. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. Contact your localalpine trussmanufacturerorofficeformoreinformation. Also available for the android os.

Trusses with an asterisk that exceed 14 in height may be shipped in two pieces. Dead load weight of structure and fixed loads 15 lbs ft 2. 1 ft 0 3048 m. 1 psf lb f ft 2 47 88 n m 2.

So the space between rafters can be greater without reducing the maximum span. To achieve maximum indicated spans trusses may require six or more panels. Live load is weight of furniture wind snow and more. One of the biggest advantages of floor trusses is that they can span further than conventional framing i e.

Bt b tc 6 6 common truss configurations for the most widely designed roof shapes. Span calculator for wood joists and rafters also available for the android os. The same concept holds true for roof trusses. Live load 20 lbs ft 2 956 n m 2.

1 in 25 4 mm. Mono used where the roof is required to. 2x10 s or 2x12 s or i joists. Below is a chart that we use for quick reference to match floor truss height and spacing with any given span.

The heaviest joist along with the above factors will span a maximum of 23 feet 8 inches. Common spacing for trusses on this type of building is often between 2 and 4 feet but trusses built with advanced designs may allow spacing as great as 8 or 12 feet.