What is K-33®?

K-33 is a chromated copper arsenate (CCA) wood preservative, used in the pressure treatment of wood to help protect it against fungal decay and termite attack.

 

Typical Applications for
CCA treated wood products:

• Utility Poles

• Foundation Piling

• Highway Uses

• Salt Water Marine Uses

• Permanent Wood Foundations

• Agricultural timbers, posts and poles

K-33® - Timber Specialties Co.
K-33® - Timber Specialties Co.

 

For a listing of permitted uses of CCA in Canada, click here to download

Management Regulatory Agency
Re-evaluation Note REV 2006-07 “ Label Guidance for Use of Chromated Copper Arsenate (CCA)