Maximum Span Of Roof Trusses In Ft

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.

Maximum span of roof trusses in ft.

Also available for the android os. For example an 8 10 metre span for a timber truss is quite a long one and can lead to problems. Bear in mind that this span chart shows the absolute maximum span for a truss with no hvac. Live load is weight of furniture wind snow and more.

Mono used where the roof is required to. Dead load weight of structure and fixed loads 15 lbs ft 2. The same concept holds true for roof trusses. 1 in 25 4 mm.

2x10 s or 2x12 s or i joists. Contact your localalpine trussmanufacturerorofficeformoreinformation. The size of a timber truss is an important part of designing a building and while there are no set maximum sizes there are some best practices. Trusses with an asterisk that exceed 14 in height may be shipped in two pieces.

Bt b tc 6 6 common truss configurations for the most widely designed roof shapes. Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no. 1 psf lb f ft 2 47 88 n m 2. Span calculator for wood joists and rafters also available for the android os.

2 are indicated below. To achieve maximum indicated spans trusses may require six or more panels. Live load 20 lbs ft 2 956 n m 2. This is the most common as the typical span is 15 feet.

One of the biggest advantages of floor trusses is that they can span further than conventional framing i e. Below is a chart that we use for quick reference to match floor truss height and spacing with any given span.