SUMMARY OF HARDWOOD FACE GRADE CHARACTERISTICS

African and Honduras Mahogany, Lauan, Meranti

Cut

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

Grade Description

AAa

Aa

B

Color and Matching

Sapwood

No

No

No

Heartwood

Yes

Yes

Yes

Colour Streaks or Spots

Slight

Slight

Occasional

Colour Variation

Slight

Slight

Moderate

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 5 sq. ft.

6 per 4'x8' panel

1 per 3 sq. ft.

10 per 4'x8' panel

1 per 2 sq. ft.

16 per 4'x8' panel

Burls - Max. Size

1/8"

1/4"

3/8"

Knots Max. Size:

Dark Part

Total

 

 

1/4"

 

1/8"

1/4"

1/8"

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

No

Slight

Occasional

Bark Pockets

No

No

Few to 1/8"x1"

Worm Tracksa

No

No

Slight

Vine Marks

Slight

Slight

Yes

Cross Bars

Occasional

Occasional

Yes

Manufacturing Characteristics

Rough Cut

No

No

Slight

Blended Repaired Tapering Hairline Splits

Two 1/32"x3" on panel ends only

Two 1/32"x6"

Two 1/16"x8"

Repairs

Very small inconspicuous

Small inconspicuous

Inconspicuous

Special Characteristics

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.

Note: a In Lauan and Meranti, Grade AA will permit slight worm tracks and Grade A will permit occasional worm tracks.

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