Specialty Timbers New ZealandEnhanced durability
Please note: Some of these reports are restricted access.
Enhanced durability
- The condition of Cypress with or without thermal modification L-joints after one year’s field exposure
SWP-T173 - Access: unrestricted.
June 2023
After one year’s exposure, there was no decay on any of the untreated Cupressus lusitanica L-joint samples. No decay was observed on any of the thermally modified Cupressus lusitanica, L-joint samples No decay was…
- The condition of thermally modified cypress and Douglas fir decking after one year’s field exposure
SWP-T172 - Access: unrestricted.
June 2023
After one year exposure, there was no decay on any of the untreated Cupressus macrocarpa, Cupressus lusitanica, Cupressus x.ovensi and Douglas fir decking samples. No decay was observed on any of the thermally modified Cupressus…
- The condition of thermally modified cypress and Douglas fir flat panels after one year’s field exposure
SWP-T171 - Access: unrestricted.
June 2023
After one year exposure at the Whakarewarewa test field site in Rotorua, there was no decay on any of the untreated Cupressus macrocarpa, Cupressus lusitanica, Cupressus x.ovensi and Douglas fir flat panel samples. No…
- The decay resistance of alternative species in an accelerated framing test Assessment of decay after one year’s exposure
SWP-T160 - Access: unrestricted.
March 2023
Sets of framing samples were exposed in high humidity conditions of 85-90% relative humidity and 25 – 27°C. The species and preservative treatments included in this test were: Eucalyptus fastigata, mixed heartwood\sapwood,…
- Wooden posts – a review
SWP-T095 - Access: unrestricted.
March 2020
Roundwood (posts and poles) is an established wood product, making use of smaller diameter logs. Little literature on post production, the market size and value is available. While the New…
- Thermal Modification of Specialty Species Results of Scion’s SSIF-funded experiments
SWP-T086 - Access: unrestricted.
September 2019
The problem The objective of this work is to improve the properties of two specialty wood species (Eucalyptus nitens and Cupressus lusitanica) through thermal modification. Thermal modification darkens the colour…
- Thermal Modification of Specialty Species: Results of Scion’s Core Funded Experiments
SWP-T063 - Access: unrestricted.
August 2018
The objective of this work is to improve the properties of two specialty wood species (Eucalyptus nitens and Cupressus lusitanica) through thermal modification. Key results The major findings of this study…
- Thermal Modification of Douglas fir for Improved Durability
SWP-T047 - Access: unrestricted.
May 2018
Douglas fir has been thermally modified at two temperatures; 220°C and 230°C (each for 2 hours). These modifications are expected to improve the durability of the sapwood, while maintaining the…
- Scion’s core funded experiments on thermal modification of Eucalyptus nitens.
SWP-T021 - Access: unrestricted.
August 2017
The objective of this work was to replicate successful lab scale thermal modifications of Eucalyptus nitens at a larger scale. Lab scale thermal modification has been shown to improve dimensional stability and…
- Scion’s core funded experiments on thermal modification of Eucalyptus nitens
SWP-T011 - Access: unrestricted.
August 2016
Laboratory scale trials were carried out on kiln dried E. nitens. This was sourced from Specialty Timber Solutions, and the trees originated from a farm forest in the North Canterbury…
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