|
Cut |
Plain-Sliced
(Flat-Cut), Quarter-Cut, Rotary Cut |
|
Grade
Description |
A |
B |
C |
D |
E |
|
Color
and Matching |
Sap |
Heart |
Nat. |
Sap |
Heart |
Nat. |
|
|
Sapwood |
Yes |
No |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
|
Heartwood |
No |
Yes |
Yes |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Color
Streaks |
Slight |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Color
Variation |
Slight |
Yes |
Yes |
Yes |
Yes |
Yes |
|
Sharp
Color Contrast at Joints |
No |
No |
Yes |
Yes |
Yes |
|
Type of Matching |
|
Book Matched |
|
Slip Matched |
|
Pleasing Matched |
|
|
|
|
|
|
|
Nominal Minimum |
Plain-S. |
|
Width of Face |
Quarter |
|
Components |
Rotary |
|
|
|
No Limit |
No Limit |
No Limit |
|
Natural Characteristics |
|
Small Conspicuous Burls & Pin |
|
Knots-Combined Avg. Number |
|
|
1 per 3 sqr ft |
|
10
per 4' x 8' panel |
|
|
1 per 2 sqr ft |
|
16
per 4' x 8' panel |
|
No Limit |
No Limit |
No Limit |
|
Conspicuous Burls - Max. Size |
3/8 in. |
1/2 in |
No Limit |
No Limit |
No Limit |
|
Conspicuous Pin Knots |
|
Avg. Number |
|
Max. Size: Dark Part |
|
Total |
|
|
1 per 8 sq ft |
|
4 per 4' x 8' panel |
|
1/8 in. |
|
1/4 in. |
|
|
1 per 4 sq ft |
|
8 per 4' x 8' panel |
|
1/8 in. |
|
1/4 in. |
|
No Limit |
No Limit |
No Limit |
|
Scattered Sound and Repaired
Knots - Combined Avg. Number |
|
Max Size - Sound |
|
Max Size - Repaired |
|
Avg. No. - Repaired |
|
No |
|
1 per 8 sq ft |
|
4 per 4' x 8' panel |
|
3/8 in. |
|
1/8 in. |
|
1 per 8 sq ft |
|
|
1per 4sq ft |
|
8 per 4' x 8' panel |
|
1/2 in. |
|
1/2 in. |
|
1per 8sq ft |
|
|
1per 3sq ft |
|
10 per 4' x 8' panel |
|
1 in. |
|
3/4 in. |
|
1per 6sq ft |
|
|
No Limit |
|
1-1/2 in. |
|
1 in. |
|
1per 2sq ft |
|
|
Mineral Streaks |
Slight |
Slight |
Yes |
Yes |
Yes |
|
Bark
Pockets |
No |
Few to 1/8" x 1" |
Few to 1/4" x 2" |
1/4" x 2" |
Yes |
|
Worm
Tracks |
Slight |
Slight; Ash, Yes |
Yes |
Yes |
Yes |
|
Vine
Marks |
Slight |
Slight |
Yes |
Yes |
Yes |
|
Cross
Bars |
Slight |
Yes |
Yes |
Yes |
Yes |
|
Manufacturing Characteristics |
|
Rough
Cut/Ruptured Grain |
No |
Slight |
Two 8 in. diameter areas or
equivalent |
5% of panel |
10% of panel |
|
Blended Repaired
Tapering |
Two
1/16" x 6" |
Four
1/8" x 8" |
Four
3/16" x 8" |
Six
1/4" x 10" |
Yes |
|
Repairs |
Small Blending |
Blending |
Yes |
Yes |
Yes |
|
Special Characteristics |
|
-- |
-- |
-- |
-- |
-- |
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