Sapwood is the outer layer of wood in a tree, next to the bark. Sapwood will mature into heartwood as the tree grows. See also wood#Heartwood and sapwood. The newer layers are the sapwood, and will stay sapwood for a certain number of years until the tree expands and new sapwood grows over it.
Comparison of fixation rates of earlywood, latewood, sapwood, and heartwood of CCA-treated Douglas-fir, southern pine, and eastern larch. (Solid Wood Products).(Statistical Data Included)
May 01, 2002; P.A. Cooper * J.N.R. Ruddick * ABSTRACT Fixation rates of chromated copper arsenate (CCA) type C wood preservative in earlywood,...