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Product Information

AC2® posts provide the best protection against rot, fungal decay and termite attack, and carries a limited lifetime warranty. No matter your treated wood project, AC2® is the right product for your project. AC2 treated timbers are #2 and better grade southern yellow pine, grade stamped for quality assurance. AC2 Critical Structural timbers are treated to meet or exceed state and or local building codes where critical structural treatment may be required. Some examples include but are not limited to: Decks attached to the home, post frame buildings, porches, gazebos or any structure supporting a roof. Be sure you check with your local and state codes before using a timber in the ground that is not treated critical structural.

Actual size: 3-1/2"x5-1/2"
Available in: 6', 8', 10', 12', 14', 16', 18', 20' lengths


AC2 Treated posts are treated to meet the following retention requirement and codes.

Lengths through 10':

 End Use   Minimum Total Retention, pcf 
 Ground Contact   0.15 (2.4) 

12' and Longer Lengths:
 End Use   Minimum Total Retention, pcf 
 Critical Structural   0.23 (3.7) 

Retention is expressed in pounds of preservative per cubic foot (Kilograms per cubic meter) of preservative actives.

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