HF STD/BTR S4S PT .40# ACQ CEDARTONE
2X4 8'-20'
2X6 8'-20'
4X4 8'-12'

CDX SE PT .40# CCA LP-22
4X8 1/2"
4X8 5/8"
4X8 3/4"

CDX UL T&G PT .40# CCA LP-22
4X8 3/4"
4X8 1-1/8"

DF STD-#2/BTR S4S PT .40# ACZA LP-22
2X4 8'-20'
2X6 8'-20'
2X8 8'-24'
2X10 8'-24'
2X12 8'-24'

3X4

12'/16'
3X6 12'/16'/20'
3X8 12'/16'/20'
3X12 RGH 12'/16'/20'

4X4

8'-16'
4X6 12'/16'/20'
4X8 12'/16'/20'
4X10 12'/16'/20'
4X12 12'-24'

6x6

8'-24'
6x8 8'-20'
6X10 12'/16'/20'
6X12 12'/16'/20'
6X14 16'-24'
8X8 16'-24'
8X12 16'-24'
12X12 RGH 16'-24'





Click here to view the "ACQ Material Saftey Data Sheet."
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Click here to view the "ACQ Fact Sheet."
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Click here to view the "Consumer information sheet for CCA pressure treated lumber."

Click here to view the "Material safety data sheet Wolmanized® treated wood."
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In pressure treating, preservatives are forced into the wood cells and become permanently fixed (nonleaching). Because of its cell structure, Douglas Fir requires incising (small slits cut into the wood's surface before treatment) to improve chemical penetration. Chemical retention is stated in terms of the weight of the chemical retained per cubic foot (pcf) of wood after treatment; the larger the number, the more chemical retained.

Click here to view the "Consumer safety guidelines for using Chemonite® (ACZA) treated wood."

Click here to view the "Material safety data sheet for Chemonite® (ACZA) treated wood."


The American Wood Preservers Association (AWPA) provides treating standards and retention levels for a number of chemicals. All pressure-treated wood should bear the quality control mark of an agency approved by the American Lumber Standard Committee.

In general, relevant AWPA standards and retention levels for waterborne preservatives are:
  • 0.25 pcf to AWPA Standard C-2 is required when the product is used above ground;
  • 0.40 pcf to AWPA Standard C-2 is required if the lumber is in contact with soil or fresh water;
  • 0.60 pcf to AWPA Standard C-15 is required if the lumber is used as a permanent wood foundation.
For more information refer to WWPA's Treated Lumber TIP Sheet or the Western Wood Preservers Institute's brochure Guide to the Characteristics, Uses and Specifications of Pressure Treated Wood. Or The American Wood Preservers Association (AWPA)


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