Wood Beam Span Table

Table 9 1 in span tables for joists and rafters figure 5 gives a required compression value of 237 psi for a span of 16 feet and bearing length of 1 5 inches.

Wood beam span table.

Also available for the android os. Tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications. Michael t 5 17 2017 12 53 19 am reply. This span table excerpt shows two possible sizes.

According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Engineered wood products ewp lvl span and size charts. The table below shows an excerpt from a maximum span for built up douglas fir floor beams table for supporting not more than one floor. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. In the article it is stated that a 12 joist span corresponds to the double beam span a length equal to the 2x width. Window door garage door headers supporting roof loads only.

Anything 5 and above we always at least double cripple. Beams of more than one ply must be fastened together with either nails or bolts. View joist rafter tables. These tables are provided as a guideline.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Span calculator for wood joists and rafters also available for the android os. Window door garage door headers supporting roof wall floor loads. Sample floor beam span table.

Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures. There are several beam span tables for all the species of wood. This table is simply a sample and may not be valid for your region. On longer spans the beam may require much more bearing space as indicated by this table.

Our versa lam lvl is manufactured in either alexandria lena louisiana in eastern united states or in white city oregon for the western united states. Aitc beam capacity tables. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.