SYP SAP Grade Rough Lumber
This is the highest grade pulled by most export rough sawmills. We have a brief explanation of some of the criteria that is followed when pulling the grade listed below:
Kiln Dried SAPS
- Kiln dried 12% to 16% moisture content with light to no exterior checking, maximum 1/32" by 10" long.
- Bright and free from blue stain or brown stain.
- Must be full thickness, but scantiness in width permitted: 1/8" in 4", 6", 8" widths and 1/4" in 10" and 12" widths.
- Free of unsound knots, loose knots, pith knots, knot holes, pinworm holes, grub worm holes, splits, shakes, tar, pitch. No holes allowed.
- Red heart not permitted except for a few pieces in each bundle with 2'-3' lengths of red on one face only.
- Sound knots are permitted in 20% of the pieces not to exceed 1" knot in 6" and 8" per 6' length and 1-1/2" in 10" and 12" widths in one face. Other 80% to be clear 4 sides.
- Pitch pockets are considered the same as knots above.
- 20% of the pieces will permit pencil wane not to exceed 3/8"x3/8" 1/6 the length of the board.
- Some light bow or crook allowed, but no twist.