Engineered Timber Beams

Structural composite lumber scl which includes laminated veneer lumber lvl parallel strand lumber psl laminated strand lumber lsl and oriented strand lumber osl is a family of engineered wood products created by layering dried and graded wood veneers strands or flakes with moisture resistant adhesive into blocks of material known as billets which are subsequently resawn into specified sizes.

Engineered timber beams.

I joists are comprised of top and bottom flanges which resist bending united with webs which provide outstanding shear resistance. Weyerhaeuser is your one source for engineered wood products that deliver the structural integrity predictability and guaranteed performance that reduces shimming and builder callbacks. We stock the full line of trus joist engineered wood products including tji joists microllam lvl headers and beams and timberstrand lsl headers beams columns wall framing and rim board. Boise cascade versa stud lvl sp 2650 1 7 wall framing is engineered for high quality builders who want stronger walls to resist wind loads stiffer walls for a solid feel and straight walls for a high quality finish.

It will either be a roof snow or a second floor floor system. Glue laminated timber glulam is an engineered stress rated product created by bonding together individual pieces of lumber having a thickness of 2 inches 50 mm or less. Glued laminated timber glulam is manufactured by face bonding layers of kiln dried timber members typically 2 4 or 2 6 in size together with waterproof adhesives to form timber section. Individual pieces of lumber are end joined together to create long lengths referred to as laminations.

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. Lp solidstart laminated strand lumber installs like traditional framing but surpasses it in strength and consistency. In addition we carry a wide selection of lumber and boards. To learn more about trusses you can visit midwest manufacturing where you will also be able to request a quote from our truss.

Calculate the total load acting on the beam by adding up dead and live loads. Staggered pattern with at least a 3 x 120 nail. I joists are strong lightweight i shaped engineered wood structural members that meet demanding performance standards. The 2012 irc code calls for a minimum of a 32 o c.

Determine the type of load acting on the beam. When engineered lumber first appeared on my radar it was in the form of i joists to solve the crowning problems 2x10 and 2x12 joists created. Some of those options include laminated veneer and strand lumbers i joist and rim boards glulam beams and laminated columns as well as panel products. Long continuous versa stud wall framing provides superior strength stiffness and appearance in any tall wall application.

Glulams are popular due to their engineered strength versatility availability and cost. How to size an engineered wood beam step 1.