b'Red Oak H ardwoodI ndustrIes , I nc .www.hardwoodind.comH.I. Brand Red Oak Heart/Sap Content SummaryRED OAKGrade: Page # H2F to 90/70 to 100/50 toLess thanScientific Name: Quercus rubra90/70 70/50 90/0 70/50Superior Prime 5 X Common Names: oak, red oak,Northern red oak, Southern red oak, Superior Plus 6 X Appalachian oak, champion oak. The name "Red Oak" comes from the Superior H.I. 7 X X X rich red color the leaves turn in the fall.Superior H.I. B 8 X X X Janka Hardness: 1,290 lbfSuperior H.I. Wide 9 X X X Average Dried Weight: 3.67 lbs/BF1 & Better Special 10 X X X X SAPWOOD1 & Better Color 11 X X X X The outer, lighter colored wood is the Cabinet Prime 12 X sapwood.This is the "working" part of Cabinet H.I. 13 X X X the tree, as nourishment flows through the sapwood.2 Common H.I. 14 X X XRustic H.I. 15 X X X X HEARTWOODSuperior H.I. Rift 17 X X X X The darker colored wood formed when older sapwood "retires", and Superior H.I. Rift B 18 X X X X becomes the strong spine of the tree.Cabinet H.I. Rift 19 XX X XSuperior H.I. Quarter Sawn 20 X X X X PIN KNOTSuperior H.I. Quarter Sawn B 21 X X X X A knot which doesn\'t exceed 1/8" in average diameter is considered a Cabinet H.I. Quarter Sawn 22 X X X X defect in Red Oak.H.I. Brand Red Oak Grades by ThicknessGrade: Page # 4/4 5/4 6/4 7/4 8/4 10/4 12/4Superior Prime 5 XSuperior Plus 6 X 4/4Superior H.I. 7 X X X X X X X 5/4 15/16"Superior H.I. B 8 X 1-3/16" Superior H.I. Wide 9 X 6/41 & Better Special 10 X X X X X X X 1-7/16"1 & Better Color 11 X 7/4Cabinet Prime 12 X 1-11/16"Cabinet H.I. 13 X X 8/42 Common H.I. 14 X 1-15/16"Rustic H.I. 15 X 10/4Superior H.I. Rift 17 X X X XSuperior H.I. Rift B 18 X 2-7/16"Cabinet H.I. Rift 19 X 12/4Superior H.I. Quarter Sawn 20 X X X XSuperior H.I. Quarter Sawn B 21 X 2-15/16"Cabinet H.I. Quarter Sawn 22 XH ardwoodI ndustrIes , I nc . www.hardwoodind.com'