Frame Grade:

Widths:  4 in. and wider.

Lengths:  7ft. and longer.

Minimum cuttings:  Each piece must contain  at least one cutting 4 in. x 7 ft, other cuttings, minimum size 4 in. x 2 ft.  Each piece shall yield not less than 83-1/3%.  There is no limit to the number of cuttings.

Wane:  Wane shall not exceed one-fourth the width and one-half the length of the piece.  Width of the wane may be divided and show on both edges.  Each cutting shall be reasonably flat and straight: will admit bark pockets, season checks, slight surface shake that does not impair the strength of the cutting, firm tight pith, stain, worm holes and other holes or unsound knots that do not exceed in their greatest dimension 1-1/2in. in 4 in to 5 in wide cuttings and 2 in. in 6 in. and wider cuttings.  Sound knots that do not exceed in their greatest dimension one-half the width of the cutting and other defects that do not impair the strength of the cutting more than the above-mentioned defects are admitted.

Rules apply to both faces of the piece.