Cherry Hardwood Industries, Inc. Front Back Superior Plus B is identical to Superior Plus with the exception of isolating high-yielding narrow boards falling between 4-1/4" to 5". It is ideal for single rip, long, clear 2 face, and clear 1 face applications. Superior Plus B (SUP + B)) Hardwood Industries, Inc. SKU: 44S+ECB(L) Superior Plus B grades NHLA S/B at H/M with the following exceptions: • Heart: Grade Face: 90% to 100% heart face after straight-line rip. Back Face: 70% to 100% heart face after straight-line rip. • Graded after surfacing. • Manufacturing: Not more than 1/2" of bow, side-bend, wave, or twist in 8' of length. • Dimensions: Widths 4-1/4" to 5", Lengths 6' to 16'. • Splits: Maximum split allowed on each end is equal to the square footage of the board in inches. • Sticker stain: Not allowed on grade face. Treated as a defect on the back. • Color: Material from specific regions and mills. • Gum: No limit on either face. Extreme gum pulled to Rustic Plus.