Transcription of UIDE TO SOUTHERN PINE LUMBER EXPORT GRADES
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A GUIDETOSOUTHERNPINELUMBEREXPORTGRADESCON TENTSL umber GRADES , grade Marks,Dense Lumber1 Construction GRADES , Kiln Drying,Timber Conservation2 Select Structural3No. 14No. 1 Construction Grade5No. 26No. 2 & Better Construction grade 7No. 38No. 3 & Better Construction grade 9 Saps10 Prime11 Merchantable Timbers12 Moulding Shop Grade14No. 2 Shop Grade15 Radius Edge Decking16V-Groove Pattern17 Double-Beaded Pattern18 Flooring19 Boards20 Additional Information,Reinspection Availability21 The SOUTHERN pine council does notgrade or test LUMBER . Informationcontained herein is taken from the 2002 Standard Grading Rules for SouthernPine LUMBER , 2002 Edition,and theExport Grading Rules, 1982 Edition,both published by the SOUTHERN PineInspection Bureau (SPIB).
DENSE LUMBER Wood density is another characteristic that affects the strength of a piece of lumber. Density is related to a tree’s rate of growth; the more annual growth
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