It is used for beams, headers. They are made using long thin strands of wood and a super strong. Girder is another name for a beam. Another form of built-up beam is a ffitch beam, which consists of steel plates.
Parallam (PSL) Specifiers Guideatlasway.
PSL beams have no crown or camber. Alan Jefferis, David A. In a continuous press the veneer strips are pressed to form an endless beam.
Douglas fir and Southern Yellow Pine are the most commonly used wood species. Common applications of PSL in construction include headers, beams and lintels in light-frame construction and beams and columns in post and beam. Parallel Strand Lumber ( PSL ) beam Parallel.