Floor Beam Size Table

You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.

Floor beam size table.

These tables are from the icc international residential code. These tables are provided as a guideline. Anything 5 and above we always at least double cripple. Beams of more than one ply must be fastened together with either nails or bolts.

The numbers in gray indicate the distance between the support posts. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads. Using table f 2 figure 3 check each lumber size to see if a 16 inch spacing will permit a span of 15 feet 1 inch. Numbers in blue are joist spans beam to beam or house to beam.

Table specifications are provided with each table indicating conditions and assumptions used to calculate the loads. Steel c channel sizes structural. On longer spans the beam may require much more bearing space as indicated by this table. 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.

Floor beam span tables calculator. A 2 2x10 can span 10 feet and so on. The full table shows more lumber sizes. The table of contents indicates that table f 2 matches these loading conditions.

Aitc beam capacity tables. Steel beams spans obc canadian home inspection services exterior wall headers jlc 36 span possible with steel beam or lvl the garage journal board beams supported at both ends continuous and point lo structural steel hand. Engineered wood products ewp lvl span and size charts. Step 2 span table.

Select the appropriate table in span tables for joists and rafters. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Dimensional lumber deck beam span chart. Download a pdf tables 13 14.

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 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. Tables 7 12. A double 2x12 beam can span 12 feet.

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. This span table excerpt shows two possible sizes of built up floor beams 2 x 10 and 2 x 12.