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Hardwood Plywood Grades
 
Hardwood Plywood Grades
Created by admin on 1/5/2015 6:29:23 PM

By understanding plywood grades you can avoid paying for "quality" that you don't need.  For most furniture and cabinetry applications B2 is all you need...


 

Hardwood Plywood Grades

Hardwood plywood grades define the nature and allowable number of defects that can appear on the face and back of plywood that has been graded under the ANSI standard.  Please note that the grade on the face veneer employs an alphabetic designation while the grade of the back veneer used a numeric system.  It is also important to note that the veneer grade does not address the nature of the core.  At Hardwood Lumber & More.. the plywood in our retail rack is domestic, poplar core.  You will find no import (Chinese) core plywood.

 

Face Grades

 

A Grade

B Grade

C Grade

D Grade

Ash, Birch, Cherry, Maple and Poplar: Rotary-Cut, Quarter-Cut, Plain-Sliced

 

 

 

Pin Knots and Small Burls, Comb. Avg.

ANSI

10- 4 to 1/4"

16- 8 to 1/4"

No Limit

No Limit

Conspicuous Burls, Max.

ANSI

3/8"

1/2"

No Limit

No Limit

Sound and Repaired Knots in Comb

ANSI

No

4

8

10

Repaired Knots

ANSI

No

4 to 1/8"

4 to 1/2"

5 to 3/4"

Mineral Streaks

ANSI

Slight

Slight

Yes

Yes

Vine

ANSI

Slight

Yes

Yes

Yes

Rough Cut

ANSI

No

Slight

Two 8" Areas

5% of Panel

Blended Repaired Tapering Hairline Splits

ANSI

Two 1/16" x 6"

Four 1/8" x 8"

Four 3/16" x 8"

Six 1/4" x 10"

 

Face Grades

 

A Grade

B Grade

C Grade

Red and White Oak: Rotary-Cut, Quarter-Cut, Plain-Sliced

 

 

Pin Knots and Small Burls, Comb. Avg.

ANSI

12-10 to 1/4"

24-16 to 1/4"

No Limit

Sound and Repaired Knots in Comb

ANSI

No

4

8

Repaired Knots

ANSI

No

4 to 1/8"

4 to 1/2"

Mineral Streaks

ANSI

Slight

Few to 8"

Yes to 12"

Sap

ANSI

5%

Up to 20%

Yes

Blended Repaired Tapering Hairline Splits

ANSI

Two 1/16" x 6"

Four 1/8" x 8"

Four 3/16" x 8"

 

Back Grades - All Species

 

1 Back

2 Back

3 Back

4 Back

Sound Tight Knots

ANSI

16 to 3/8"

16 to 3/4"

Max 16 1/2"-1 1/2

Yes

Knotholes

ANSI

No

All Repaired

All 3/8" 10 to 1

Up to 4"

Repaired Knots

ANSI

No

8 to 1/2"

Not

No

Sound Tight Burls

ANSI

Yes

Yes

Yes

Yes

Mineral Streaks

ANSI

Yes/Yes

Yes/Yes

Yes/Yes

Yes/Yes

Rough Cut

ANSI

Two 8" Dia. Areas

Yes

Yes

Yes

Joints or Splits

ANSI

Six 1/8" x 12" Repaired

Six 3/16" x 12" Repaired

3/8" x 1/4" LOP

1" to 1/4 LOP,
1/2" to 1/2 LOP,
1/4" to Full LOP

 

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