10/4 & 12/4 Superior

Alder

10/4 & 12/4 Superior

Clear Cutting Boards
Two-Face cutting (CF2)

10/4 & 12/4 Superior is a top of the line product. It includes all NHLA Firsts, Seconds( FAS1F), and most select boards.

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6'1" 7'1" 8'1" 8'3" 8'3" solid pack 10'1" 12'1"
10/4 ••
12/4••

Widths, Lengths & Cuttings

Width Specs: 
4.5 inches (114.30 mm) minimum.
Length Specs: 
72 inch ( 182.88 cm) minimum.
Cutting Specs: 
3 inches (76.20 mm) by 72 inch ( 182.88 cm) or 4 inches (101.60 mm) by 36 inches (91.44 cm). No limit to number of cuttings allowed.

Grade Notes

This grade admits all boards of 24 inches (60.96 cm) and over surface measure yielding not less than 83.33 percent clear face cutting, with the reverse side of the cuttings sound as described in SOUND CUTTING.
WANE is limited to 8.33 percent of the surface area of the board on the SUPERIOR face. On the reverse side of the board the aggregate wane will not exceed 25 percent of the width by 75 percent of the length, or 33 percent of the width by 50 percent of the length. Wane may be divided, showing on both board edges.

The aggregate inches of PITH length will not exceed 2 times the surface feet of the board.

The aggregate inches of SPLIT length will not exceed 2 times the surface feet of the board. Splits diverging more than 1inch (25.40 mm) per 12 inches (30.48 cm) in length, are not admitted, except when 12 inches (30.48mm) or shorter and within 1 lineal foot from the end of the board, leaving at least 50 percent clear wood and not less than 25 percent sound wood in aggregate.

SIDE BEND is limited to 5/8 inches (15.88 mm) .

PIN KNOTS are not considered defect.