| Wood modification process | Plant set up cost | Operational cost | Production cost |
|---|---|---|---|
| ThermoWood® | $1 million installations (Hill, 2006) | N/A | N/A |
| Plato® | Capital investment of $12 - 17 million to set up a plant with a capacity of 75,000 m3 (Hill, 2006) | 24 $/m3 (Hill, 2006) | 180 $/m3, which is high due to the complicated process (Hill, 2006; Hill, 2011) |
| Oil heat treatment | Capital investment of $540,000 for a capacity of 8,500 m3/a (Rapp and Sailer, 2000) | 75 – 110 $/m3 depending on oil loading (Rapp and Sailer, 2000) | 320 – 360 $/m3 based on costs for untreated timber of 250 $/m3 (Rapp and Sailer, 2000) |
| Acetylated wood | N/A | N/A | Depending on the size of the plant (eg: $0.32/lb for 8,000 tons/year, $0.27/lb for 20,000 tons/year, $0.20/lb for 100,000 tons/year (Rowell, 2007) |
| Remarks: The cost is according to the valuation done according to the reference cited. N/A data not available. | |||