Follow UP to MCQ – “Performance Confirmed” Lumber Professional-Level information and how-to-build articles for wood, timber, and lumber professionals and users. Follow UP to MCQ – “Performance Confirmed” » Lumber Talk

Shortly after it was posted, Claire Guappone of Osmose contacted me regarding “MCQ Shows Signs of Rapid Decay” and asked if I would like to receive a follow up press release on the matter.

“Sure,” said I. So, here it is.

Consumer Safety and Product Performance of Micronized Copper Technology Confirmed

GRIFFIN, Ga., Feb. 11 — On Feb. 9, 2009 in a negative public relations document apparently intended to scare users of treated wood, Charlotte, NC-based Viance criticized the effectiveness of micronized copper wood preservatives. “Viance is once again attempting to create unfounded concerns about consumer safety and product performance, using statistically insignificant and suspect data,” said Paul Goydan, President of Osmose, Inc.

Extensive laboratory and extended field testing have confirmed the effectiveness of micronized preservatives. Several world renowned scientists have confirmed the strong performance of this technically advanced preservative technology and have published their comprehensive findings, which support the micronized technology’s efficacy in providing wood protection for both above ground and ground contact applications.

So why this unfounded attack by a competitor? An attack based on an insignificant sample of a few posts selected by this competitor — out of the millions of posts in service? One might conclude the competition has not been able to create a viable alternative product to compete with our patent pending technology and the ever-increasing market penetration of the micronized copper preservative systems. Rather than offering similarly advanced technology, they have resorted to needlessly alarming the public.

MicroPro(R) Treated Wood Facts:

  • Over 5 Billion board feet of MicroPro treated wood has been sold since the product introduction in 2006.
  • Over 10 Million 4 x 4 micronized treated wood posts are presently in service and performing.
  • MicroPro copper based preservative systems have been independently tested and evaluated in accordance with AWPA, ASTM and other internationally recognized laboratory and field test procedures.
  • Micronized copper preservative systems are certified by the International Code Council Evaluation Service, Inc. (ICC-ES).
  • Osmose’s micronized technologies have earned the Environmentally Preferable Product (EPP) certification from Scientific Certification Systems (SCS).
  • Osmose provides a Residential and Agricultural Limited Warranty on MicroPro treated wood products.

Bottom Line

Extensive laboratory and field testing has confirmed the effectiveness of micronized preservatives. International experts have confirmed the legitimacy of this technically advanced preservative technology and published their findings in support of it. Billions of board feet of micronized treated lumber are in service and performing. Since the introduction of micronized copper technology, Viance, the only copper based preservative manufacturer that does not have the micronized technology to offer, has waged a desperate campaign against it in an effort to discredit it. Meanwhile, more and more consumers and retailers continue to embrace the environmental and performance benefits offered by our technically advanced micronized products.

Since 1934, Osmose has produced quality, tested, reliable wood preservatives such as MicroPro. We fully stand behind our products and back them with industry leading warranties.

For additional information regarding MicroPro, please contact Osmose at (800) 241-0240 or visit


  1. February 27, 2009 @ 3:37 pm

    […] Rebuttal Please see Osmose’s MCQ rebuttal which they sent almost immediately after this posting. 1 […]

  2. May 24, 2009 @ 6:57 am

    Was a soil sample taken at the site of the decayed posts to determine a possible chemical reaction between the copper in the treating solution and and maybe a contaminate in the soil inherent to these locations?

    Posted by Larry Griffin
  3. May 24, 2009 @ 12:02 pm


    Good question. The research was driven by the folks at Viance so I think they are the best people to ask. This post, which is a copy of a press release sent to me by Osmose is a rebuttal to the press release, which I posted at

    Let me know if you find anything.



    Posted by Chris

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