Laminated Strand Parallel Strand Lumber

In early november we visited engineered wood products manufacturer weyerhaeuser s veneer technology plant in buckhannon w.
Laminated strand parallel strand lumber. Combined with an adhesive the strands are oriented and formed into a large mat or billet and pressed. Psl manufacturing involves little waste as almost all parts of a log are used in the product. Parallam psl parallel strand lumber uses a process patented by macmillan bloedel to bond together thin strands of wood typically 4 8 feet long. 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.
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. Watch the video above or read the photo essay below to follow. Other products in this group include laminated veneer lumber lvl and parallel strand lumber psl. The strands in psl are clipped veneer elements having a least dimension of not more than 0 25 inches 6 4 mm and an average length of at least 300 times this least dimension around 6 ft or 1 8 m.
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.