Oak Fancy Plywood Quality Standard |
Defects |
A |
B |
C |
|
Red
Oak |
White
Oak |
Red
Oak |
White
Oak |
|
Sapwood |
No |
No |
5%
of
surface |
5%
of
surface |
10% of
surface |
Heartwood |
No |
No |
Slight |
Color Streaks or Spots |
Slight |
Slight |
Slight |
Color Variation |
No |
Slight |
Slight |
Sharp Color Contrasts at Joints |
Not allowed |
Not allowed |
Yes |
Matching |
Book Matched
Slip Matched
Pleasing Matched |
Yes
Specify
-- |
Specify
Specify
Yes |
--
--
-- |
Min. Nominal
Width of Face
Components |
Plain-S
Quarter
Rotary |
127 mm
76 mm
127 mm |
76 mm
76 mm
102 mm |
No Limit |
Small Conspicuous Burls & Pin Knots-Combined Avg. No. |
3 per 1 m2 |
5 per 1 m2 |
No Limit |
Conspicuous Burls-Max. Size |
9.5 mm |
12.7 mm |
No Limit |
Conspicuous Pin Knots-Avg.
No.
Dark Part-Max. Dia.
Knots-Max. Dia. |
No |
3 per 3 m2
3.2 mm
6.4 mm |
No Limit |
Scattered Sound & Repaired Knots-Combined Avg. No.
Max. Dia.-Sound
Max. Dia.-Repaired
Avg. No.-Repaired |
No |
4 per 3 m2
9.5 mm
3.2mm
4 per 3 m2 |
3 per 1 m2
2.7 mm
12.7 mm
4 per 3 m2 |
Mineral Streaks |
No |
Max. no. 1
Max. area 2 x 3.5
mm |
Max. no. 3
Max. area 2 x 3.5 mm |
Bark Pockets |
No |
Max. no. 2
Max. area 3.2 x
25.4 mm |
Max. no. 2
Max. area 6.4 x 50.8 mm |
Worm Tracks |
No |
Slight |
Slight |
Vine Marks |
Slight |
Yes |
Yes |
Cross Bars |
Slight |
Yes |
Yes |
Rough Cut / Ruptured Grain |
No |
Slight |
Slight |
Blended Repaired Tapering
Hairline Splits |
Max. no. 2
Max. area 1 x 152
mm |
Max. no. 4
Max. area 2 x 152
mm |
Max. no. 4
Max. area 2 x 152 mm |
Repairs |
Small Blending |
Blending |
Blending |
Ray Fleck |
Slight, Blending |
Slight, Blending |
Yes |
Rift & Comb Grain |
· Rift permits 25.4 mm in 305 mm maximum grain slope, 12.7mm in 305 mm maximum grain sweep; fleck not to exceed 9.5 mm in width.
·
Comb permits 12.7 mm in 305 mm maximum grain slope, 12.7 mm in 305 mm maximum grain sweep; fleck not to exceed 2.4 mm in width.
·
All the above should be mended with wood - wool. |
· Unfilled wormholes, open splits, open joints, open bark pockets, or doze not allowed in above grades.
· Sap allowed in rotary only unless otherwise specified.
· 10% sap allowed in rift, comb, quarter-cut and plain-sliced; 20% sap allowed in rotary.
· Outside components will be a different size to allow for edge trim loss and certain types of matching.
·
Unless otherwise specified, quartered permits unlimited fleck. |
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