SELECT WALNUT
A flooring product with natural coloration variations found in heartwood and steamed dark sapwood. The steamed sapwood should not show a prominent color contrast to the heartwood. Will admit the following and similar characters: broken knots up to 3 /8 " with no loose pieces; narrow slightly open checks; edge defects (indentations) up to 2 /32 " x 1 /2 " in aggregate for every 2'; intermittent machine burn; torn grain (must sand out); pin worm holes 2 per foot and/or 2 flag worm holes per 8'; a slight amount of scant thickness where ends are full thickness; and 1 /2 full tongue. Average length- 3'.

NO. 1 COMMON WALNUT
A flooring product which may contain prominent color variation between the light sap-wood and dark heartwood, along with prominent natural and machine produced characters. Will admit the following and other similar characters: broken knots, if the unsound open area does not extend through the piece; numer-ous checks up to 1 /16 ", may be open; edge defects (indentations) up to 3 /32 " x 1 1 /2 " in aggregate for every 3'; occasional solid machine burns; rough face showing minor saw marks; heartwood coloration must be 25% of piece or an equivalent; sapwood may be stained, blotchy or speckled; worm holes, to 1 /8 ", 1 per foot; pin worm holes, 6 per foot; small area of torn grain to 1 /16 " deep; up to 20" of scant stock (hit or miss) per 5' and have full thickness within 3" of ends; and 1 /4 full tongue. Average length- 2 1 /2 '.

NO. 2 COMMON WALNUT
A flooring product which contains sound, natural variations and manufacturing imperfections of the forest product, all imperfections and open characters must be fillable. Will admit the following and other similar characters: knots and knot holes where openings do not extend through piece; edge defect 1 /4 " x 1 /4 " if irregular and will hold filler - not to extend through tongue and groove engagement; dark machine burns not more than 3 /64 " deep; prominent open checks not extending through piece; incipient decay which is not softer than surrounding wood; a small unplaned area with radiating saw marks; split ends with no movement across the split; an area of torn grain up to 1 /8 " deep x 3" for full width every 2'; angled grub worm holes 3 /16 " x 1 /2 " along with all other worm holes if sound; unlimited sapwood; occasional scant thickness (hit or miss) pieces entire length which end match square; and limited number of pieces with no tongue. Average length- 2'.

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