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   Southern Forest Products Association  Southern Pine Products  

Southern Pine Products - Page 7

 

 

STANDARD SIZES OF SOUTHERN PINE

Based on 1994 SPIB Grading Rules

 

  Thickness (inches) Width (inches)

 

Nominal

Dressed

Nominal

Dressed

 

Dry

Green

 

Dry

Green

Dimension
Lumber and
Timbers,
dressed

 

2

1-1/2  

2

1-1/2

 

2-1/2

2

2-1/16

3

2-1/2

2-9/16

3

2-1/2

2-9/16

4

3-1/2

3-9/16

3-1/2

3

3-1/16

5

4-1/2

4-5/8

4

3-1/2

3-9/16

6

5-1/2

5-5/8

 

8

7-1/4

7-1/2

10

9-1/4

9-1/2

12

11-1/4

11-1/2

14

13-1/4

13-1/2

16

15-1/4

15-1/2

18

17-1/4

17-1/2

20

19-1/4

19-1/2

Timbers
5" & thicker

1/2" off nominal

1/2" off nominal

5" & wider

1/2" off
nominal

1/2" off nominal

Boards,
S4S

 

Nominal

Dressed

Nominal

Dressed

1

3/42

2

1-1/2

1-1/4

1

3

2-1/2

1-1/2

1-1/4

4

3-1/2

 

 

5

4-1/2

 

 

6

5-1/2

 

 

7

6-1/2

 

 

8

7-1/2

 

 

9

8-1/2

 

 

10

9-1/2

 

 

11

10-1/2

 

 

12

11-1/4

 

 

over 12

3/4" off

 

 

 

nominal

Finish,
dry

Nominal

Dressed

Nominal

Dressed

3/8

5/16

2

1-1/2

1/2

7/16

3

2-1/2

5/8

9/16

4

3-1/2

3/4

5/8

5

4-1/2

1

3/4

6

5-1/2

1-1/4

1

7

6-1/2

1-1/2

1-1/4

8

7-1/4

1-3/4

1-3/8

9

8-1/4

2

1-1/2

10

9-1/4

2-1/2

2

11

10-1/4

3

2-1/2

12

11-1/4

3-1/2

3

14

13-1/4

4

3-1/2

16

15-1/4

Radius Edge
Decking

Nominal

Dressed

Nominal

Dressed

1-1/4

1

4

3-1/2

5

4-1/2

6

5-1/2

(1) Dimension Lumber 2" thick and less than 14" wide is required to be dry with a moisture content of 19% or less. Heavy Dimension Lumber (2 x 14 and wider, 2-1/2" thick by all widths, and 3 x 3 and larger) and Timbers are not required to be dry unless specified. Thicknesses apply to their corresponding widths as squares and wider, except a thickness to 1-9/16" applies to nominal 2" in widths of 14" and wider if dressed green. (In 2" Dimension, widths over 12" are not customary stock sizes, so 2 x 14 and wider sizes are usually produced only on special order.)

(2) Boards less than the minimum dressed thickness for 1" nominal but which are 5/8" or greater thickness dry may be regarded as American Standard Lumber, but such Boards shall be marked to show the size and condition of seasoning at the time of dressing. They shall also be distinguished from 1" Boards on invoices and certificates.

SOUTHERN PINE REINSPECTION AVAILABILITY

In absence of special agreement between buyer and seller, the SPIB Standard Grading Rules for Southern Pine Lumber provide that the purchase, sale or shipment of lumber designated by grades described in these rules must be construed as involving agreement to abide by all applicable provisions of the rules, including submission to inspection of any lumber under complaint as to size, grade or tally.

For complete reinspection information contact:

Southern Pine Inspection Bureau
4709 Scenic Highway, Pensacola, FL 32504-9094
904/434-2611  l  FAX 904/433-5594

Timber Products Inspection
P.O. Box 919, Conyers, GA 30207
770/922-8000 l Fax 770/922-1290

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