|
Cut |
Rotary and Sliced |
|
Grade
Description |
A |
B |
C
Face or 1 Back |
|
Color and Matching |
|
Sapwood |
Yes |
Yes |
Yes |
|
Heartwood |
Yes |
Yes |
Yes |
|
Color
Streaks |
Slight |
Yes |
Yes |
|
Color
Variation |
Slight |
Yes |
Yes |
|
Nominal Minimum Width of Face Components |
3 in. |
3 in. |
3 in. |
|
Type of Matching |
|
Randomly matched for
pleasing appearance |
|
Book Matched - matched for color and grain at the joints |
|
|
|
|
|
Natural Characteristics |
|
Conspicuous Burls - Max. Size |
1/2 in. |
Yes |
Yes |
|
Pin
Knots |
Yes |
Yes |
Yes |
|
Sound Knots - Max. Size (may
contain dark centers) |
|
Repaired Knot Holes - Number; Max. Size |
|
|
|
|
Yes |
No Limit,
1, 1/2" Max Dia. |
|
|
Manufacturing Characteristics |
|
Rough
Cut |
No |
Small Areas allowed |
Small Areas allowed |
|
Stain |
No |
Slight |
Yes |
|
Blended Repaired Tapering Hairline Splits |
Two
1/16 in. x 6 in.
on panel ends |
Three
1/8 in. x 10 in.
on panel ends |
No Limit
1/8 in. x 12 in. |
|
Repairs |
Blending |
Blending |
Yes |