preservative treated timber hazard class guide generic hazard...preservative treated timber hazard...
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PRESERVATIVE TREATED TIMBER
HAZARD CLASS GUIDE
NOTE: For more detailed information and description of Hazard Classes refer to Australian Standard series AS1604. Koppers®, MicroPro®, NatureWood® ACQ®, DeterMite®,
Protim® are registered trademarks and Inshield™ is a trademark of Koppers Inc and its subsidiaries. *See separate limited guarantee document for more details.
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MicroPro®
Bifenthrin
HAZARD CLASS EXPOSURE HAZARD EXAMPLES
H1 Inside, above ground Lyctid borersSusceptible framing, flooring, furniture and interior joinery
H2 Inside, above ground Borers and termites
Framing, flooring and similar used in dry conditionsH2F is the Hazard Class for framing timber and H2S is the Hazard
Class for LVL and plywood, both classes approved for use South of the Tropic of Capricorn only.
H3 Outside, above ground Borers and termites
Weatherboard, fascia, pergolas (above ground), window joinery, decking and verandah posts
H4 Outside, in-groundSevere decay, borers and termites
Fence posts, garden walls less than 1m high, landscaping
H5Outside, in-ground contact with or in fresh water
Very severe decay, borers and termites
Retaining walls, piling, house stumps, building poles and cooling tower fill
H6 Marine watersMarine wood borers and decay
Boats hulls, marine piles, jetty cross bracing and landing steps etc