Floor Girder Span Tables

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.

Floor girder span tables. All other data is available on page 121 of the 2012 international residential code. It also shows the maximum that the beam can span for various numbers of such pieces of lumber built together this is indicated by 3 ply 4 ply and 5 ply. In the article it is stated that a 12 joist span corresponds to the double beam span a length equal to the 2x width. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.

Tables 7 12. Michael t 5 17 2017 12 53 19 am reply. Floor span and load tables 17 allowable holes 18 roof span and load tables 19 cantilevers 20 21 framing connectors 22 23 section 3. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures.

Span tables use these tables to determine rafter span ceiling joist span and floor joist span. 1 psf lb f ft 2 47 88 n m 2. 2 grade of douglas fir are indicated below. Engineered wood products ewp lvl span and size charts.

The full table shows more lumber sizes. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. These charts are for 30 pound per square foot snow load on the roof. Includes span tables for all load bearing locations and the number of jack studs.

Span charts and 2012 irc building codes for girders and headers. 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 of built up floor beams 2 x 10 and 2 x 12. Download a pdf tables 13 14.

Design information for all joists tji joist floor framing 24 rim board selection and installation 25 floor details 26 27 roof framing 28 roof details 29 30 cut length calculation 31 material weights and. You can also use the wood beam calculator from. Maximum floor joist span for no. However this seems to match the 6 joist span column of the table.

1 ft 0 3048 m. Dead load weight of structure and fixed loads 10 lbs ft 2. 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. View joist rafter tables.