Pinus Radiata

Originally a native of California, USA, Pinus Radiata (New Zealand Pine) has adapted well to the soils and climatic conditions of New Zealand. New Zealand Pine yields a strong, economical and versatile light-coloured timber. Timber has a basic density of 450-500kg/m3 and suited for a complete range of applications including structural, outdoor and appearance.

In its natural state New Zealand Pine will decay if subject to both weather, insect, soil. Fortunately New Zealand Pine has unique properties among softwood species, in that total treatment of sapwood is always achievable. Various levels of preservative treatments are available.

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Douglas Fir

Originally a native to the western coast of North America, Douglas Fir now accounts for 3.5% of all New Zealand production timber and 6% of all plantation forests. Douglas fir can be identified by its prominent growth-ring bands. The heartwood is a pale-pinkish colour and the sapwood is near white. Douglas Fir timber is slightly more difficult to produce than pine but sawn lumber is extremely stable. Timber has a basic density of 470-510kg/m3 and is used for a complete variety of applications.

In its natural state Douglas Fir sap wood has a natural resistance to weather. Like Pinus Radiata, Douglas for is subject to insect attack. Douglas Fir does not uptake CCA as well as in Pinus Radiata (i.e. in that total treatment of sapwood is not always achievable) so more commonly used treatments are Boron or ACQ. Various levels of preservative treatments are available.

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