| |
| Hazard Class |
Specification |
User |
| H3.2 |
Moderate decay hazard, exposed to the weather but not in contact
with the ground |
Fence palings, rails, battens, decking, weatherboards, exterior joinery |
| H4 |
High decay hazard, in contact with the ground or fresh water |
Fence posts, TG & V retaining walls |
| H5 |
Severe decay hazard or critical load bearing applications |
House piles, poles, crib walls |
| H6 |
Marine hazard, prolonged exposure to sea water |
Marine piles and timber |
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