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MicroPro Sienna® Treated Wood can be used in residential applications (decks, fences, freshwater docks and landscaping) above ground, in ground contact and in freshwater contact. The appropriate usage is noted on the end tag attached to each piece of MicroPro Sienna Treated Wood.




Above Ground treated wood should not be used in ground contact applications, as this can adversely affect the performance of the entire project.

Treated wood should not be used where it may come into direct or indirect contact with drinking water, except for uses involving incidental contact such as freshwater docks and bridges.

Do not use treated wood under circumstances where the preservative may become a component of food, animal feed, or beehives.

If the wood is to be used in an interior application and becomes wet during construction, it should be allowed to dry before being covered or enclosed.

Projects should be designed and installed in accordance with federal, provincial, and local building codes and ordinances governing construction in your area.


Actual product colour may vary from colour shown in photos.
MicroPro Sienna Treated Wood products are produced by independently owned and operated wood preserving facilities.
MicroPro, MicroPro Sienna, and Cut-N-Seal are registered trademarks of Koppers Performance Chemicals Inc.