Wood Beam Span Table

In the article it is stated that a 12 joist span corresponds to the double beam span a length equal to the 2x width.

Wood beam span table.

View joist rafter tables. Michael t 5 17 2017 12 53 19 am reply. Beams of more than one ply must be fastened together with either nails or bolts. On longer spans the beam may require much more bearing space as indicated by this table.

There are several beam span tables for all the species of wood. Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. This span table excerpt shows two possible sizes.

Aitc beam capacity tables. 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. 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. This table is simply a sample and may not be valid for your region.

The tables permit a bearing length of up to 3 5 inches but since 1 5 is probably the worst case that you ll encounter for joist or rafter bearing it s a safe value. Span calculator for wood joists and rafters also available for the android os. Engineered wood products ewp lvl span and size charts. Anything 5 and above we always at least double cripple.

Also available for the android os. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Window door garage door headers supporting roof loads only.

Window door garage door headers supporting roof wall floor loads. However this seems to match the 6 joist span column of the table. These tables are provided as a guideline. Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. 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.