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Width |
Length |
Clear cuttings |
Sapwood |
Knots |
Spring |
Warp (other than spring) |
Minimum cuttings |
| PRIME |
6 inches and up |
6 feet and up |
91 % of cuttings exempt of defects |
Must be excluded from clear face cuttings |
The average diameter of any sound knot shall not exceed 1/3 the width of the face on which it appears. |
Must not exceed 1 inch per 12 feet of the piece's width |
Not admitted if sufficient to prevent the whole piece from surfacing two sides to standard surfaced thickness. |
4 inches x 5 feet or 5 inches x 4 feet |
| SELECT |
5 inches and up |
6 feet and up |
75 % of cuttings exempt of defects |
Bright sapwood may be included in clear face cuttings unless it exceeds in the aggregate 1/3 the width of the piece or is present on both faces. |
Same as for PRIME |
Same as for PRIME |
As in Prime grade provided that slightly warped pieces 10" and wider are admitted if they can be ripped to produce 2 pieces each of which would grade Select and then not contain warp which would prevent those 2 pieces from surfacing two sides to standard surfaced thickness. |
4 inches x 3 feet or 3 inches x 4 feet |
| STANDARD |
4 inches and up |
6 feet and up |
66 % of cuttings exempt of defects |
Bright sapwood may be included in clear face cuttings. |
The average diameter of any sound knot shall not exceed 1/2 the width of the face on which it appears. |
Shall not exceed the proportion of 1" per 8' of length of the piece |
Not admitted if sufficient to prevent the clear face cuttings from surfacing two sides to standard surfaced thickness should they be removed from the piece |
4 inches x 2 feet or 3 inches x 3 feet |
| SOUND or BHND |
BHND : Borer Holes No Defect
As for Prime, Select and Standard grades except that pin and unstained shot holes are admitted in the cuttings |
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Width |
Length |
Clear cuttings |
Wane |
Brittle heart |
Spring and warp |
Recommended cuttings |
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| SERVICEABLE |
4 inches and up |
6 feet and up |
66 % of cuttings exempt of defects |
Allowed on the worse face and one edge only, as follows: in widths 6" and up it should not exceed 1/6 the width of the piece - and in widths less than 6", it should not exceed 1/8 the width of the piece. |
Allowed on one face and edge only provided that the strength of the piece is not materially affected |
Same as in STANDARD |
4 inches x 2 feet or 3 inches x 2 feet |
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