Interim fungus cellar results, thermally modified Douglas fir and Cupressus lusitanica
By Rosie Sargent, June 2022.
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Executive summary
Durability screening using the AWPC accelerated field simulator (AFS) test (Australasian Wood Preservation Committee, 2015) has been underway for 4 years. The species tested are as follows:
Douglas-fir (SWP funded)
- Two thermal modification treatments (220°C & 230°C) plus unmodified controls
- Heartwood and sapwood stakelets tested separately
- Commercial H3.2 CCA radiata pine included as treatment control
Cupressus lusitanica (Scion SSIF funded)
- One thermal modification treatment (220°C) plus unmodified controls
- Heartwood and sapwood stakelets tested separately
- Totara heartwood included as naturally durable control

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