Floor Girder Spans

The numbers in gray indicate the distance between the support posts.

Floor girder spans. Dimensional lumber deck beam span chart. 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. 1 psf lb f ft 2 47 88 n m 2.

773 0896 james hawkins building commissioner. Engineered wood products ewp lvl span and size charts. 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. Live load is weight of furniture wind snow and more.

A double 2x12 beam can span 12 feet. Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures. Download a pdf tables 13 14.

View joist rafter tables. Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12. Span floor 4 2x12 9 11 2 8 7 2 7 8 2 fccip 425 main st ste 25 greenfield ma 01301 3393 fccip staff phone. 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.

Maximum floor joist span for no. This span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12. 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. 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.

All other data is available on page 121 of the 2012 international residential code. Los angeles residential code 5 floors r502 wood floor framing r502 5 allowable girder and header spans 2308 4 1 1 wood allowable girder spans the allowable spans of girders that are fabricated of dimension lumber shall not exceed the values set forth in table 2308 4 1 1 1 or 2308 4 1 1 2. 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.

The full table shows more lumber sizes. Girder spans and header spans for exterior bearing walls maximum spans for douglas fir larch hem fir southern pine and spruce pine fir and required number of jack studs. True floor joist span calculations can only be made by a structural engineer or contractor. A 2 2x10 can span 10 feet and so on.