One of the new pressure-treated lumber uses the preservative Alkaline Copper Quaternary (ACQ). CCA-treated lumber is still manufactured and sold for certain industrial and marine applications, including agricultural posts and poles, and some builders prefer CCA lumber for poles and posts.

Our Cylinder Post are 4″-7″ wide and, come in lengths of 7′, 8′, and 9′. All our Cylinder Posts are Treated CCA .40 pcf. Some popular reasons to use split rail fencing are its low cost, it’s long-lasting, easy to install, and rustic looking.

Your posts can be pressure treated with Chromated Copper Arsenate (CCA) or Alkaline Copper Quat (ACQ). CCA pressure treated posts are the standard posts supplied from American Pole & Timber. ACQ treated posts are readily and quickly available upon your request.

In the first category are alkaline copper quaternary (ACQ) and two formulations of copper azole (CA-B and CA-C). The American Wood Protection Association (AWPA) has established minimum retention levels for wood treated with these preservatives (see below).

ACQ Treated Wood: Alkaline Copper Quaternary (ACQ) treated wood is one of the most popular types of treated wood used in construction. It's made by impregnating the wood with copper and other preservatives that protect it from rot, decay, and insect damage.

The 4 in. x 4 in. x 12 ft. Pressure-Treated Lumber can be painted. It is suitable for ground contact. It is pressure-treated with alkaline copper quaternary (ACQ). This product can be used for residential and commercial projects.

Jan 6, 2025 · ACQ treated wood is durable and decay-resistant, making it ideal for outdoor projects like decks and fences. You can buy ACQ treated wood from reliable sources such as home improvement stores, local lumber yards, online retailers, specialty wood suppliers, and local hardware stores.

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We specialize in treated lumber and structural wood products. We sell wood and pressure treated lumber products to your specifications and in accordance with national and local regulations. Most dimensional pressure treated lumber is treated to .25 or .40 pcf in ACQ.

Wood Fence Styles / Fence Accessories / Wood Posts & Caps / .40 ACQ Treated Posts