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VIDEO: Learn how Lumber is treated by watching the new Osmose Lumber Treating Animation.

This animation explains the pressure treating process typically used to treat wood with preservatives for residential, agricultural and commercial uses. Pressure treating wood products is an effective and proven way to protect it from rot, fungal decay, and termite attack. Osmose Lumber Treatment Animation



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News & Important Information


April 14th, 2014

Koppers to Acquire Wood Preservation and Railroad Services Businesses from Osmose

Koppers Inc., a wholly-owned subsidiary of Koppers Holdings Inc. (NYSE:KOP), has signed an agreement to acquire the Wood...

Feb 20th, 2014

Osmose® Receives U.S. Patent for Micronized Color System

Osmose, Inc., the premier supplier of wood preservative technologies, is pleased to announce announce that on...

Nov 7th, 2013

Osmose introduces MicroPro® and MicroShades® treated wood to the Chile market at national trade show.

EXPOCORMA 2013, International Forest Fair...

May 7th, 2012

Osmose® acquired by Oaktree

Osmose has been acquired by Oaktree Capital Management, L.P...



Pressure Treated Wood & Lumber
Preservatives from Osmose, Inc.


Established in 1934, Osmose, Inc. is recognized as a world premier supplier of lumber preservative technologies. Osmose has a long history of successful development and diversification into specialized areas of wood preservation.


Osmose has long been a leader in the research and development of new products and services in all areas of lumber preservation technology. We provide innovative wood preservative products, advanced engineering services and customized marketing services to our valued customers.

From MicroPro® — the first treated wood to be Environmentally Preferable Product (EPP) certified by Scientific Certification Systems based on Life-Cycle Assesments — to our FirePro® fire retardant treated wood (FRTW), Osmose offers a complete line of pressure treated lumber products to meet the most demanding needs.

Osmose 75th Anniversary