Laminated Strand Wood Vs Paralllel Strant

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Laminated strand wood vs paralllel strant. Laminated strand lumber is good for the environment and builders alike. 6 variations available lp solidstart lsl 2 x 4 laminated strand lumber. Laminated veneer lumber lvl is an engineered wood product that uses multiple layers of thin wood assembled with adhesives it is typically used for headers beams rimboard and edge forming material lvl offers several advantages over typical milled lumber. Lsl factories typically use soft fast growing wood in place of slow growth hardwoods.

Similar to parallel strand lumber psl and oriented strand lumber osl lsl is made from flaked wood strands that have a length to thickness ratio of approximately 150. Lsl beams and columns are made by shredding wood from fast growing low value hardwood logs such as aspen birch and poplar into thin strands. Combined with an adhesive the strands are oriented and formed into a large mat or billet and pressed. Click to add item lp solidstart lsl 2 x 4 laminated strand lumber to the compare list.

Parallam psl parallel strand lumber uses a process patented by macmillan bloedel to bond together thin strands of wood typically 4 8 feet long. Made in a factory under controlled specifications it is stronger straighter and more uniform. Watch the video above or read the photo essay below to follow. In early november we visited engineered wood products manufacturer weyerhaeuser s veneer technology plant in buckhannon w.

Va where two of the company s offerings microllam a lvl and parallam a parallel strand lumber psl are made in tandem to reduce material waste. Before lamination each slice of wood is dried and then grains of the strand get oriented in the same direction. Under specific heat and pressure thin piles of wood are laminated together to form lvl. Thermal conductivity values for laminated strand lumber and spruce for use in hybrid cross laminated timber panels biores.

Psl manufacturing involves little waste as almost all parts of a log are used in the product. They cut pine aspen and other soft woods into strands less than one foot long then pressure bond them using a waterproof adhesive. The maximum width of the lvl is 2 5 meters. Add to list click to add item 1 1 4 x 11 7 8 x 18 laminated strand lumber lsl rim board stringer blank to your list.

Making the best use of resources scl basics. These are oriented for maximum strength and glued together into 8 foot by 64 foot billets using a steam injection process which was patented by macmillan bloedel. 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.