Meet#38 Why Timber Changes Colour

Rohan Baker, Chemical Engineer at Preschem, will talk about why timber changes colour over time and the effect of weathering. He will also talk about ways that colour changes and greying can be prevented or minimised, and how timber preservatives work.

Rohan has 17 years working for Preschem, an Australian company established by Chris Macevoy (formerly of the CSIRO) to manufacture timber preservatives and exterior finishes. Rohan’s experience includes product development for remedial timber preservative systems and exterior timber finishes. He is also a member of the industry body, the International Research Group for Wood Preservatives (IRG-WP).

Rohan’s Presentations:

Discolouration of Timber.pdf (430k)

Radial Timber Australia – Sawmill.pdf (5 MB)

Rohan has also written an informative article on timber discolouration: Why Timber Changes Colour – Feel free to use the comments section of the article to post any questions.