Introducing MicroPro Timber TOUGHTM long length timbers for pole barns, deck posts and structural timbers treated to CAN/CSA O80-21 Wood Preservation standard, Use Category 4.1.

MicroPro Timber TOUGH long length timbers are treated with MicroPro® Micronized Copper Azole (MCA) preservative technology, a revolutionary way to pressure treat wood to provide long-term protection for wood exposed in exterior applications from fungal decay and termite attack.

MicroPro Timber TOUGH brand wood product used for agricultural or farm structural building posts and poles in Ontario are backed by a 30-Year Agricultural Limited Warranty for first-owners against structural failure caused by fungal decay or termite attack. The MicroPro Timber TOUGH brand wood product must be registered within 90 days of purchase to authorize the 30-Year Agricultural Limited Warranty protection. The MicroPro Timber TOUGH 30-Year Agricultural Warranty is non-transferable.

For more information on MicroPro Timber TOUGH see:

Warranty Registration

The MicroPro Timber TOUGH brand wood product must be registered within 90 days of purchase to authorize the MicroPro Timber TOUGH Treated Wood 30-Year Agricultural Limited Warranty protection. Please complete the form below to register.

The following form can be completed by:

  1. the “first-owners” / owner of record of the property where the agricultural building will be constructed, or
  2. the builder-contractor of the agricultural building that will be constructed using MicroPro Timber TOUGH brand wood product
Timber Tough Form

First-Owner / Property Information


Mailing Information


Project Details


Project Built By

Proof of Purchase

Upload the following files to complete the registration:

  1. Photo of ink stamp on the MicroPro Timber TOUGH brand wood product (located approximately 6-8’ from end of post)
  2. Copy of store receipt or builder-contractor’s invoice

Contact Us

Contact Form
MicroPro Timber TOUGH products are produced by independently owned and operated wood preserving facilities.
MicroPro is a registered trademark of Koppers Performance Chemicals Inc. Koppers Performance Chemicals Inc. owns a pending trademark application for MicroPro Timber TOUGH.