Parallel strand lumber (PSL)

Parallel strand lumber (PSL) is a type of structural engineered wood used in construction, interiors, furniture and products. It is made up of strands of wood bonded together with high-strength adhesive. It has very good bending and compression strength and is utilised in long-span beams, heavily loaded columns and large headers. It can be used in both interior and exterior applications. Image Weyerhaeuser.