Wolman® E
Copper Azole Outdoor Wood Preservative

The original developer of copper azole technology more than 20 years ago, Lonza is now supplying its fifth generation formulation. Our Wolman® E outdoor wood preservative with BARamine® technology is the most advanced copper azole system on the market. Only available from Lonza, this formulation incorporates patented technology that provides enhanced protection against decay organisms, including copper-tolerant fungi, and a deeper and more consistent penetration of preservative in the wood. This enhanced technology is available in both dissolved and micronized formulations. 

Wolmanized® Outdoor® Wood is ideal for decks, retaining walls, fences, picnic tables, planter boxes, raised garden beds, walkways, sill plate and structural members. Wolmanized® Outdoor® Wood, at appropriate retention levels, can be used for Above Ground, Ground Contact, and Heavy Duty Ground Contact applications.

Wolmanized® Outdoor® Wood is produced by independent treated wood producers who follow strict quality control standards.

Warranty Information

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BARamine® Technology

This new innovation adds a broader range of resistance, including defense against certain copper-tolerant fungi and superior preservative penetration.

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New Standards in Treated Wood

New industry standards now require the use of Ground Contact treated material for many applications physically located above the ground.

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Technical Specifications

Technical, building code, and model specification information for Wolmanized® Outdoor® Wood.

Tech Specs

Environmental Benefits

Information about the environmental benefits of Wolmanized® Outdoor® Wood.


Use and Handling

Information for the proper use and handling of Wolmanized® Outdoor® Wood.

Use and Handling