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  Specification Examples
Based on 2002 SPIB Grading Rules

Product
Classification
Size
inches - nominal
Length
feet
Species
Grade
Moisture
Content
Surface
Texture
Treatment &
Retention
AWPA
Standards
Dimension
(or)
2 x 4
x 20
SP
No.1DNS
2000Fb-1.8E
KD15
S4S
None required

Structural
Light Framing
4 x 4
x 8
SP
No.2
KD19
S4S
CCA .40pcf1
(Ground Contact)
UC4A
(C2)
Dimension
(or)
2 x 6
x 10
SP
No.2
KD19
S4S
CCA .60pcfKDAT
(PWF)
UC4B
(C22)
Structural
Joists & Planks
2 x 10
x 14
SP
No.3
KD19
S4S
None required

Stud
(solid-sawn)
2 x 6
x92-5/8"PET
SP
Stud
KD19
S4S
None required

Stud
(finger-jointed)
(STUD USE ONLY)
2 x 4
x104-5/8"PET
SP
No.2
KD19
S4S
None required

MSR
2 x 6
x 16
SP
1950f-1.7E
KD19
S4S
None required

Radius Edge
Decking
5/4 x 6
x 10
SP
Premium
RED
KD19
S4S
ACQ .25pcf
(Above Ground)
UC3B
(C2)
Boards (Fascia)(Coated)
1 x 6
x 12
SP
No.1
KD19
S4S
CA-B .10pcf KDAT
(Above Ground)
UC3A
(C2)
Finish (Trim)
1 x 4
x 8
SP
D
Max. 15%
S4S
None required

Paneling
Pattern
#SPP 62
1 x 5-1/8
(net dry)
x 10
SP
C&Btr
12%

None required

Flooring
1 x 3-1/8
(net dry)
x 8',10',12'
1000 lin.ft.
SP
D
Max. 15%
S2S&SM
(flat grain)
None required

Ceiling
5/8 x 4
x 8
SP
C&Btr
Max. 15%
S2S&CM-EV1S
None required

Decking (Roof)
2 x 6
x 12
SP
Select
Decking
KD15
S2S&CM
None required

Drop Siding
(Coated)
Pattern #116
1 x 6
x 10
SP
No.2
KD19

CCA .25pcf KDAT1
(Above Ground)
UC3A
(C2)
Timbers
6 x 6
x 12
SP
No.2
Dry to 23%
S4S
CCA .50pcf
(Highway Post)
UC4A
(C14)
Special Order
(Decking
rough one side)
2 x 6
1-9/16x5-1/2
(net dry)
x 16
SP
Prime
KD19
S1S2E
CCA .40pcf KDAT1
(CCA with water
repellent)
UC3B
(C2)
Marine Grades
2 x 8
x 14
SP
Marine
No.1
KD19
S4S
CCA 2.5pcf
(Saltwater)
UC5B
(C18)

Abbreviations:
  • ACQ: Alkaline Copper Quat.
  • AWPA: American Wood-Preservers' Association.
  • CA-B: Copper Azole Type-B.
  • CCA: Chromated Copper Arsenate.
  • DNS: Dense.
  • KD: Kiln-dried.
  • KDAT: Kiln-dried after treatment.
  • MSR: Machine Stress Rated.
  • PET: Precision End Trim.
  • PWF: Permanent wood foundation.
  • RED: Radius Edge Decking.
  • SP: Southern Pine (could also be "SYP" for Southern Yellow Pine).
  • S1S2E: Surfaced one side and two edges.
  • S2S&SM: Surfaced two sides and standard matched.
  • S2S&CM-EV1S: Surfaced two sides and center matched with edge V on one side.
  • S4S: Surfaced four sides.
  • UC: Use Category.
(1) CCA not available in these residential consumer applications after December 31, 2003. Specifiers should substitute ACQ or Copper Azole at appropriate retention levels. See AWPA Standards.

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