Floor Girder Beam Span Table

Also see assumptions for table development.

Floor girder beam span table.

This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size. In the article it is stated that a 12 joist span corresponds to the double beam span a length equal to the 2x width. This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.

Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. 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. Refer to sfpa s publication southern pine headers beams download in publications that includes all size selection and allowable load tables. Beam and joist span tables built up wood floor beams supporting one floor in a house maximum spans for uniformly distributed loads species and grade supported built up beam size joist length 3 2x8 4 2x8 3 2x10 4 2x10 3 2x12 4 2x12 8 9 8 11 2 11 10 13 8 13 8 15 10 10 8 8 10 0.

Let s expand our house beyond that 17 2 span capability to 24 feet wide. View joist rafter tables. True floor joist span calculations can only be made by a structural engineer or contractor. For each application a pdf download is available.

Engineered wood products ewp lvl span and size charts. Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures. Span tables for domestic floor joists to bs 5268 7 1 note.

Michael t 5 17 2017 12 53 19 am reply. These charts are for 30 pound per square foot snow load on the roof. Loading conditions are detailed below. So the house dimensions will now be 24 x 13.

Rafter spans can be extended slightly beyond what the rafter tables suggest when there is a cantelever extending beyond the supporting wall. However this seems to match the 6 joist span column of the table. Span charts and 2012 irc building codes for girders and headers. Includes span tables for all load bearing locations and the number of jack studs.