Open Web Roof Joist Span Table

The minimum bearing length is 1 spans values in bold indicate that web stiffeners are required at the osb end panel.

Open web roof joist span table.

Each load table was accompanied by notes and instructions covering assumptions and other important information. Important notes on span tables. Of bearings and is based on uniformly loaded joists. The spans are based on simple span joists.

Find span carts for open joist products. The maximum span is measured o c. Spans are based on uniformly loaded joists and include allowances for repetitive use members. Open joist is a revolutionary open web all wood floor truss engineered with superior strength and load carrying capabilities.

Span calculator for wood joists and rafters also available for the android os. Open web steel joists k series. Bci joists are specially constructed i joists with flanges made from strong versa lam laminated veneer lumber with oriented stranded board webs and approved waterproof structural adhesives providing outstanding strength and durability. Also available for the android os.

Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike. For an in depth review of all of this information the sji suggests the current compilation of all years specifications and load tables 90 years of open web steel joist construction. Dead load deflection is limited to l 360 and total load deflection is limited to l 240. For the proper handling of concentrated and or varying loads see section 2 3 in the code of standard practice for steel joist and joist girders.

Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. Engineered wood products ewp span and size charts for bci joists. Loads for span increments not explicitly given in the load table may be determined using linear interpolation between the load values given in adjacent span columns. Live loads of 40 psf assumed.

All trimjoist products are cambered to compensate for dead load deflections. No more custom made floor trusses. Additional dead loads are due to various combinations of construction materials. Trimjoist is the marriage of an open web floor truss and a trimmable wooden i joist bringing the best features of each to the relationship.

These tables originally appeared in the steel joist institute specifications and load tables commonly referred to as a catalog beginning with the first edition published in 1932. Do not install them upside down.