Hazard (H) Class

H6

Timber constantly or periodically in contact with estuarine or sea water, and subject to marine borer attack.

Timber constantly or periodically in contact with fresh water or heavy wet soils.

Timber in direct contact with the ground.

Timber not in contact with the ground but exposed to leaching and weathering.

Timber used under roof, not in contact with the ground, and that will not be exposed to leaching and weathering.