Wood Floor Beam Span Table

These tables are provided as a guideline.

Wood floor beam span table. Window door garage door headers supporting roof wall floor loads. When supporting joists that span 12 feet with no overhang beyond the beam a double ply beam can span in feet a value equal to its depth in inches. Adjustment factors are tabulated in table 9 2. Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads.

Table 9 2 adjustment factors for alternate loading and spacing conditions for determining required com pression perpendicular to grain design values f c for joists and rafters. View joist rafter tables. A double 2x12 beam can span 12 feet. Floor joist span calculator.

Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. There are several beam span tables for all the species of wood. The numbers in gray indicate the distance between the support posts. Window door garage door headers supporting roof loads only.

Aitc capacity tables provide the uniformly distributed load that a glued laminated timber beam can support based on beam size span and material properties. Dimensional lumber deck beam span chart. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Floor joist span tables for various sizes and species of wood.

Sample floor beam span table. 4 see a 1 3 for 2 span floor joist requirements. Next use the buttons in the table to select the maximum length in feet or metres in brackets that your floor joists must span. This span table excerpt shows two possible sizes.

To use the joist span calculator below first select the species of lumber you will use for your construction project from the drop down list. 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. A 2 2x10 can span 10 feet and so on. 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.

Span calculator for wood joists and rafters also available for the android os. Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Also available for the android os.

Live dead 12 16 19 2 24. Designing with wood beam span tables. Aitc beam capacity tables.