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Pine shrinkage

Started by xlogger, July 21, 2016, 07:13:43 AM

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xlogger

July 21, 2016, 07:13:43 AM
What % does pine shrink? Like on a 12 wide board what would it shrink to? After kiln drying.
Timberking 2000, Turbo slabber Mill, 584 Case, Bobcat 773, solar kiln, Nyle L-53 DH kiln

WDH

#1
July 21, 2016, 07:30:54 AM
About 7.5% or close to 3/4" on a flatsawn loblolly pine board. 
Woodmizer LT40HDD35, John Deere 2155, Kubota M5-111, Kubota L2501, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com

GeneWengert-WoodDoc

#2
July 23, 2016, 12:21:11 AM
SYP shrinks about 7.4% going from green to 0% MC for flatsawn.  Most 12" wide SYP would be dried to around 15% to 12% MC in a kiln, so the shrinkage would be about half, or 3.7%, with many pieces being less.  So, expect about 0.4" of shrinkage max. In width.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

xlogger

#3
July 23, 2016, 06:10:11 AM
thanks all, I cut some yesterday 12-15" and tried to over cut the width about 3/4".
Timberking 2000, Turbo slabber Mill, 584 Case, Bobcat 773, solar kiln, Nyle L-53 DH kiln
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