Long term corrosion control - Kaingaroa processing plant

Fletcher Challenge Forest has upgraded its Kaingaroa processing plant spray booth to a more efficient design supported by Resene's high-performance coating technology for long-term corrosion control.

The corrosive nature of the anti-fungal spray fluid, which is used to prevent fungal growth and staining on freshly debarked radiata logs, meant that materials and surface coatings had to be completely resistant to corrosion.

Non-corrosive stainless steel was used for the manufacture of the spray booth's rollers and lining. The framing, made from mild steel, was fully prepared by blasting, and subsequently coated in Resene Zinc Silicate Primer followed by Epoxy Primer and topcoated in High-Build Acrylic Urethane in the chosen colour, Tasman Green.

Project Team: Haua Engineering, Kerslake and Partners

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