Termite Resistant Timbers
| In-Ground and Above Ground1 | Above Ground Only |
|---|---|
| red bloodwood | blackbutt |
| grey box | spotted gum |
| forest red gum | red mahogany |
| ironbark (all species) | white stringybark |
| white mahogany | cypress |
| Gympie messmate | |
| tallowwood | |
| turpentine | |
| slash pine2/3 | |
| hoop pine² | |
| radiata pine² | |
| Caribbean pine2/3 |
Notes:
- The sapwood of these species is to be treated to ‘H5’ level for in-ground use, ‘H3’ level for weather exposed above ground use
- The heartwood of these softwoods is to be limited 20% of the cross-sectional area in all weather exposed applications
- The heartwood of slash and Caribbean pine is considered termite resistant
Soil Treatment
Further protection is by treating the soil surrounding the post, or bedding the post in a material which termites avoid.
An application of Termidor provides 8 years of soil treatment.
