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 …

Jul 15, 2020 · In the AWPA Use Category system, all types of treated wood can be sorted into categories based on how well it holds up in different applications. Only a select few categories …

Mar 20, 2024 · Pressure-treated wood has gone through a process that uses high pressure to force a solution of water and preservative agents deep into the lumber to help extend its useful …

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 …

Alkaline copper quaternary, usually abbreviated ACQ, is a type of water-based wood preservative product containing a soluble copper(II) complex and quaternary ammonium alkyl- or aryl …

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 …

May 22, 2024 · ACQ is a water-based treatment that protects timber from the effects of weather, rot, and insects. According to The NSW Environment Protection Authority, ACQ “uses copper …

ACZA-treated wood can be painted or stained. Alkaline copper quat (ACQ) is one of several re-cently developed wood preservatives. It contains cop-per and a quaternary ammonium …

Micronized Copper Azole (MCA) and Micronized Copper Quaternary (MCQ) have small copper particles and another compound to protect wood from decay. The particles of copper are so …

Alkaline copper quaternary (ACQ) is treated with an environmentally friendly solution consisting of copper and ammonium alkyl. This does tend to change the color of the wood. Noncombustible …