20 Ft Microllam Lvl Beam Span Table

For example if you are using an lvl beam with two plies of 16 inches or three plies of 14 inches with the columns spaced 14 feet from one another the maximum span size is 36 feet.

20 ft microllam lvl beam span table.

6 bearing length is required at interior supports except 7 1 2 bearing is required where bold. This span size only applies to single floors. Use 2 6 in this example. 3 bearing length is required at end supports.

Pick the span you want pick 4 0 for example select the fb column of the lumber you intend to use in af pa design values for joists and rafters 2 hem fir fb 1104 psi e 1 300 000 psi so use span table column fb 1100. Select the span carried by the beam across the top of the table. Choose the row for the size of lumber used in the double header. Engineered wood products ewp lvl span and size charts.

Choose the required center to center span for the beam in the span column. Beam span is valid for simple span beams and continuous equal span beams. Span carried by beam ft beam span ft beam width 20 22 24 26 28 30 32 34 36 38 40 8. Tb 500 design guide for 20 22 and 24 2 0e microllam lvl tb 305 resawing microllam lvl parallam psl and timberstrand lsl products tb 501 performance of microllam lvl with watershed stability overlay.

Floors supporting additional stories or roofs require sturdier construction and use different lvl span size charts. Laminate beam spans header span table info. Design a beam depth based on the rule of thumb for estimating the depth of manufactured beams which is to divide the span by 20. Add or modify a columns and beams embly 11 7 8 in x 1 3 4 20 ft southern pine laminated treated glulam beams floor beam span tables calculator ered wood news beam span calculator.

The 2012 irc code calls for a minimum of a 32 o c. Lvl 2900fb 2 0e floor beam quick reference tables arried span to use. Determine the total load per foot of beam. Beams of more than one ply must be fastened together with either nails or bolts.

Select the correct table for the supported floor joist condition simple or continuous see notes below. We have learned from our experience to use at least a 3 1 4 x 131 groove shank nail in a column of four every foot apart down the laminate. 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. Beam depths are typically 5 1 2 inches 7 1 4 inches 9 1 4 inches 11 1 4 inches 11 7 8 inches 14 inches 16 inches 18 inches and 20 inches.

Versa lam lvl size chart laminated beam span tables charts. Staggered pattern with at least a 3 x 120 nail.