Walnut Hardwood Industries, Inc. hardwoodind.com Hardwood Industries, Inc. www.hardwoodind.com Grade: Page # 4/4 5/4 6/4 8/4 10/4 12/4 Superior Veneer 6 X Superior Prime 7 X Superior Plus 8 X Superior Chop 9 X Superior HI 10 X X X X X X Superior 1 Face 11 X Superior Calico 12 X Superior Plus B 13 X Superior HI B 13 X Superior 1 Face B 14 X Superior Calico B 14 X Cabinet Prime 15 X Cabinet Plus 16 X X Cabinet HI 17 X X X X X X Cabinet 1 Face 18 X Cabinet Calico 19 X 2 Common HI 20 X 2 Common Calico 21 X Rustic Plus 22 X Rustic HI 23 X Grade: Page # H2F to 90/70 90/70 to 70/50 100/50 to 90/0 Less than 70/50 Superior Veneer 6 X Superior Prime 7 X Superior Plus 8 X Superior Chop 9 X Superior HI 10 X Superior 1 Face 11 X Superior Calico 12 X Superior Plus B 13 X Superior HI B 13 X Superior 1 Face B 14 X Superior Calico B 14 X Cabinet Prime 15 X Cabinet Plus 16 X Cabinet HI 17 X Cabinet 1 Face 18 X Cabinet Calico 19 X 2 Common HI 20 X X 2 Common Calico 21 X X Rustic Plus 22 X Rustic HI 23 X Grade Summary HI Brand Walnut Heart Content Summary HI Brand Walnut Grades by Thickness 12/4 10/4 8/4 6/4 5/4 4/4 15/16" 1-3/16" 1-7/16" 1-15/16" 2-7/16" 2-15/16" * 5/4 to 12/4 are 70/50 to H2F. ** 6/4 to 12/4 are 70/50 to H2F. Transition Wood While not as apparent as some species, the transition between sapwood and heartwood can bear a grayish color in Walnut. Heartwood Heartwood is formed from old, "retired" sapwood, and becomes the strong spine of the tree. While uniform heartwood is desired, many boards have multiple shades of heartwood. The outer, lighter colored wood is the sapwood. This is the "working" part of the tree, as nourishment flows through the sapwood. Sapwood ** *