Copper Azole, Type C

Let's look at the Copper Azole formulation that Viance supplies wood treaters in the United States.

Please note:

  • The American Wood Protection Association sets the minimum standards for preservatives used in treated lumber for the various use categories listed below.
  • Preservative formulations require different minimum retentions to extend the life of wood and for effective protection against termites and fungal decay.
  • End tags on lumber designate the preservative code, the use cateogory, the retention level, the third party inspection agency and the treating location.
Ab out Copper Azole from Viance
AWPA Use Categories
Viance treated lumber end tag CA-C
AWPA infographic on above ground and ground contact use

Types of Preservatives