Lvl Beam Span Roof

On longer spans the beam may require much more bearing space as indicated by this table.

Lvl beam span roof.

Select the span carried on the top line. No matter where they re used they install quickly with little or no waste. Having the grain of all veneers run in the same longitudinal direction results in a product that is strong when edge loaded as a beam or face loaded as a plank. Laminated veneer lumber lvl is manufactured by bonding layers of wood veneers together under heat and pressure using a waterproof adhesive.

Read the beam size or choice of beam sizes from table. Hyspan and hyspan are easy to work with using traditional building tools and are clearly branded for easy identification and your. This span size only applies to single floors. Anything 5 and above we always at least double cripple.

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. They can easily be built up on site to reduce heavy lifting. Zip code 95946. For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots southern yellow pine.

Using table below 30 0 span carried select either 3 1 2 x 14 or 5 1 4 x 11 7 8. Microllam lvl beams work well in applications all over the house. From photos i have it looks like single 4x6 not lvl that angles with the roof. What size lvl beam is required on a room 24 wide to carry 12 roof rafters attached each side of the lvl with 30lb snow load.

Floors supporting additional stories or roofs require sturdier construction and use different lvl span size charts. Versa lam laminated veneer lumber lvl beams and headers eliminate twisting shrinking and splitting and deliver flatter quieter floors and structures. A 14 0 span beam carries 15 0 simple span joists on each side. According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2.

Resists warping splitting and shrinking while supporting heavy loads. 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. Microllam lvl beam benefits. Lvl beam will be 12 span between posts.

It is imperative to design lvl beams to the right size in order to create a safe structural system. The lengths and sizes of joists vary depending on the species and quality of the lumber used. Wood beam calculator american wood council website rafter and joist span faq. Choose the required beam span in the left column.