RELATED LINKS
ANSI Plywood Grading Standards & Descriptions
FACE GRADE: Applications
Where excellent appearance is very important as in cabinets and furniture.
Where the natural characteristics and appearance of the species are desirable.
Provide sound surfaces but allow unlimited color variation. Repairs in increasing size ranges allowed respectively from C to D. Suitable for applications where surface will be hidden or a more natural appearance is desired.
BACK GRADE: Descriptions
Provide sound surfaces with all openings in the veneer repaired except for vertical worm holes not larger than 1/16.”
Some open defects. Repaired splits, joints, bark pockets, laps and knotholes can achieve a sound surface if specified by the buyer.
Some open defects. Knotholes up to 4″ in diameter are permitted. Open splits and joints limited by width and length.
FACE GRADES: Birch | Ash | Maple | Poplar
Veneer: Rotary-Cut | Plain-Sliced | Quarter-Cut
| Pin Knots & Small Burls Combined Average | Conspicuous Burls Maximum | Sound & Repaired Knots | Repaired Knots | Mineral Streaks | Vine | Rough Cut | Blended Repaired Tapering | |
|---|---|---|---|---|---|---|---|---|
|
A
|
MAX 10 (4 UP TO 1/4″) | 3/8″ | NO | NO | SLIGHT | SLIGHT | NO | TWO 1/16″ X 6″ |
|
B
|
MAX 16 (8 UP TO 1/4″) | 1/2″ | 4 | 4 TO 1/8″ | SLIGHT | YES | SLIGHT | FOUR 1/8″ X 8″ |
|
C
|
NO LIMIT | NO LIMIT | 8 | 4 TO 1/2″ | YES | YES | TWO 8″ AREAS | FOUR 3/16″ X 8″ |
|
D
|
NO LIMIT | NO LIMIT | 10 | 5 TO 3/4″ | YES | YES | 5% OF PANEL | SIX 1/4″ X 10″ |
FACE GRADES: Red and White Oak
Veneer: Rotary-Cut | Plain-Sliced | Quarter-Cut
| Pin Knots & Small Burls Combined Average | Sound & Repaired Knots | Repaired Knots | Mineral Streaks | Sap | Blended Repaired Tapering Hairline Splits | |
|---|---|---|---|---|---|---|
|
A
|
MAX 12 (4 UP TO 1/4″) | NO | NO | SLIGHT | 5%(1) | TWO 1/16″ X 6″ |
|
B
|
MAX 24 (16 UP TO 1/4″) | 4 | 4 TO 1/8″ | FEW TO 8″ | UP TO 20%(2) | FOUR 1/8″ X 8″ |
|
C
|
NO LIMIT | 8 | 4 TO 1/2″ | YES TO 12″ | YES | FOUR 3/16″ X 8″ |
(1) No sap allowed in Rift, Comb, and P/S; Allowed in Rotary White Oak
(2) Rotary Red Oak; 10% sap allowed in Rift, Comb, and P/S; Any sap allowed in Rotary White Oak
BACK GRADES
| Sound Tight Knots | Knotholes | Repaired Knots | Sound Tight Burls | Mineral/Sap | Rough Cut | Splits or Joints | |
|---|---|---|---|---|---|---|---|
|
1
|
MAX 16 (UP TO 1/4″) | NO | NO | YES | YES/YES | TWO 8″ DIA. AREAS | SIX 1/8″ X 12″ REPAIRED |
|
2
|
MAX 16 (8 UP TO 1/4″) | ALL REPAIRED | 8 TO 1/2″ | YES | YES/YES | YES | SIX 3/16″ X 12″ REPAIRED |
|
3
|
MAX 16 (8 UP TO 1/4″) | ALL 3/8″ TO 1″ | NO(1) | YES | YES/YES | YES | 3/8″ X 1/4 LOP |
|
4
|
YES | UP TO 4″ | NO | YES | YES/YES | YES | 1″ TO 1/4 LOP, 1/2″ TO 1/2 LOP, 1/4″ TO FULL LOP |
(1) May be obtained repaired, if specified
LOP = Length Of Panel