
If your residential wood structure was built before 2004 and is not made of cedar or redwood, it was most likely constructed with wood pressure-treated with Chromated Copper Arsenate (CCA).
Chromated copper arsenate - Wikipedia
Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions. It is used to impregnate timber and other wood …
What are the risks of CCA-treated wood? - NPIC
Jan 31, 2025 · Chromated copper arsenate (CCA) wood preservatives contain a mixture of chromium, copper, and arsenic. CCA wood preservatives have been used to pressure-treat …
Chromated Arsenicals (CCA) | US EPA
Dec 22, 2025 · Chromated copper arsenate (CCA) is a wood preservative pesticide containing chromium, copper, and arsenic that protects wood against termites, fungi, mites and other …
Permanent wood foundations and laminated beams are engineered systems and therefore are not warranted by the Retailer, Chemical Supplier or the Manufacturer of the treated lumber.
Pressure Treated Lumber - Exterior Building Use | Lowe's
Pressure treated lumber is an essential building material designed to withstand harsh outdoor conditions. Its chemical treatment process ensures enhanced resistance against moisture, …
The chemical compound Chromated Copper Arsenate (CCA) is one EPA-approved preservative used in the treatment process that has been shown to be very effective. In the course of …
CCA treated wood meets the applicable building code requirements for above ground and ground contact use. The specifier shall indicate lumber or plywood of the appropriate size, grade, …
CCA - Culpeper Treated Lumber
CCA treated wood is available for certain commercial, industrial and agricultural applications, providing protection from termites, other wood destroying organisms, fungal decay and uses in …
CCA – EverGreen Treated Wood
CCA-treated lumber delivers durability, stability, and value. Clean, odorless, and non-staining, it’s ideal for utility poles, foundation piling, agricultural structures, and exposure to saltwater.