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Title:	Grade Distribution and Drying Degrade of Sweetgum and Yellow-poplar Structural Lumber
Author(s):	Faust, Timothy D.
Date:	1990
Source:	Forest Products Journal 40(5): 18-20.
Description:	The fact that the supply of southern pine timber is changing to include more lower quality plantation stock may provide incentive for utilizing lower density hardwoods for structural lumber. Yellow-poplar and sweetgum are potential substitutes for southern pine. A major problem in utilizing soft hardwoods for structural lumber is the difficulties associated with drying. A study of the grade distribution and drying degrade of yellow-poplar and sweetgum structural lumber was completed. The results indicate that grade distribution was much higher for yellow-poplar than for sweetgum, and grade loss after drying was lower for sweetgum. Proper drying is especially critical for reducing degrade of hardwoods.
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