SUMMARY OF HARDWOOD FACE GRADE CHARACTERISTICS

Walnut - Cherry (See pictures)

Cut

Rotary-Cut, Quarter-Cut, Plain-Sliced (Flat-Cut)

Grade Description

AA

A

B

Color and Matching

Sapwood

No

Noa

Yesa

Heartwood

Yes

Yes

Yes

Colour Streaks or Spots

Slight

Slight

Yes

Colour Variation

Slight

Slight

Yes

Sharp Colour Contrasts at Joints

No

No

No

Type of Matching

 

Sequence Matched

Book Matched

Slip Matched

Pleasing Matched

Yes

Yes

Specify

---

 

Yes

Specify

---

 

Yes

Specify

Yes

Nominal Minimum Width of Components in Face

6"

5"

4" If book or slip

Natural Characteristics

Small Inconspicuous Burls & Pin

Knots - Combined Avg. No.

1 per 4 sq. ft.

8 per 4'x8' panel

1 per 1 1/3 sq. ft.

24 per 4'x8' panel

2 per 1 sq. ft.

64 per 4'x8' panel

Inconspicuous Burls - Max Size

1/4"

3/8"

1/2"

Inconspicuous Pin Knotsb

1 per 5 sq. ft.

1 per 2 sq. ft.

1 per 1 sq. ft.

Avg. Number

6 per 4'x8' panel

16 per 4'x8' panel

32 per 4'x8' panel

Max. Size: Dark Part

Total

1/8"

1/4"

1/8"

1/4"

1/8"

1/4"

Scattered Sound and Repaired

Knots - Combined Avg. No.

Max. Size - Sound

Max. Size - Repaired

Avg. No. - Repaired

No

No

1 per 8 sq. ft.

4 per 4'x8' panel

3/8"

1/8"

1 per 8 sq. ft.

Mineral Streaks

Slight

Slight

Yes

Bark Pockets

No

No

Few to 1/8"x1

Worm Tracks

No

No

Slight

Vine Marks

Slight

Some

Yes

Cross Bars

Slight

Some

Yes

Manufacturing Characteristics

Rough Cut

No

No

Slight

Blended Repaired Tapering

Hairline Splits

Two 1/32"x3"

on panel ends

Two 1/32"x6"

Four 1/16"x8"

Repairs

Very small inconspicuous

Small inconspicuous

Inconspicuous

Special Characteristics

Gum Spots

Some gum spots permitted in Cherry

Gum spots permitted in Cherry

Gum spots and gum streaks permitted in Cherry

Unfilled worm holes, open splits, open joints, open bark pockets, shake or doze not permitted in above grades. One inch = 25.4 mm; one sq. ft. = 0.0929 square meters.

Notes: a Sap is permitted in A and B grades, however, the percentage must be agreed to by buyer and seller.
b For walnut and Cherry, inconspicuous pin knots means sound knots 1/4" or less in diameter with dark centres larger than 1/16". Small inconspicuous pin knots are sound knots 1/4" or less in diameter with dark centres of 1/16" or less and are permitted in all grades of Walnut and Cherry.

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