Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14 Page 15 Page 16 Page 17 Page 18 Page 19 Page 20 Page 21 Page 22 Page 23 Page 24Hardwood Industries, Inc. www.hardwoodind.com Hard Maple Hardwood Industries, Inc. hardwoodind.com Grade: Page # 4/4 5/4 6/4 8/4 10/4 12/4 Superior Prime 5 x x Superior Plus 6 x x x x x x Superior Plus A 7 x Superior Plus B 7 x Superior Plus C 8 x Superior PlusW 9 x Superior H.I. 10 x Superior Calico 11 x x Cabinet Prime 12 x Cabinet Plus 13 x Cabinet H.I. 14 x x x x x x Cabinet Calico 15 x x 2 Common H.I. 16 x 2 Common Calico 17 x Rustic Plus 18 x Rustic Calico 19 x Rift & Quarter Sawn 20 x 1 & Better Special 21 x 1 & Better Premium Birdseye 22 x 1 & Better Birdseye 22 x 1 & Better Calico Premium Birdseye 23 x 1 & Better Calico Birdseye 23 x Grade: Page # S2F S2F to 100/50 100/50 to 70/50 Less than 70/50 Superior Prime 5 x Superior Plus 6 x x Superior Plus A 7 x x Superior Plus B 7 x x Superior Plus C 8 x x Superior PlusW 9 x x Superior H.I. 10 x Superior Calico 11 x Cabinet Prime 12 x Cabinet Plus 13 x x Cabinet H.I. 14 x Cabinet Calico 15 x 2 Common H.I. 16 x x x 2 Common Calico 17 x Rustic Plus 18 x x Rustic Calico 19 x x Rift & Quarter Sawn 20 x 1 & Better Special 21 x x x 1 & Better Premium Birdseye 22 x x 1 & Better Birdseye 22 x x 1 & Better Calico Premium Birdseye 23 x x 1 & Better Calico Birdseye 23 x x Grade Summary H.I. Brand Hard Maple Sap Content Summary H.I. Brand Hard Maple 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" * S2F to 90/80. Heartwood The darker colored wood formed when older sapwood "retires", and becomes the strong spine of the tree. Black Streak Occasional black, gray, or olive line that runs parallel with the grain. Develops when minerals are absorbed from the soil. The outer, lighter colored wood is the sapwood. This is the "working" part of the tree, as nourishment flows through the sapwood. Sapwood Scientific Name: Acer saccharum Common Names: Hard Maple, Sugar Maple, Rock Maple Average Dried Weight: 3.67 lbs/BF Janka Hardness: 1,450 lbf Hard Maple *