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Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
Fax: (608) 231-9592


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How does it apply?

Small-Diameter Ponderosa Pine

FPLThe FPL conducted a study investigating the use of small-diameter ponderosa pine lumber in glued-laminated (glulam) timber members. The objective of this work was to develop an efficient glulam combination utilizing small-diameter ponderosa pine for all laminations. The experimental results suggested that the allowable properties of the glulam combinations using two separate lamination grades were generally higher than the currently available single-grade combination in the glulam standard.