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SPECIAL NOTICE

H4 and H3 Timber Marking

Please note: Due to chemical treatment changes as of

1st April 2026 - Some timber has been marked: 

    ABOVE GROUND USE or

    BELOW or IN GROUND USE 

This change was intended to simplify the products classification / usage and warranty provision

ABOVE GROUND USE is equivalent to Hazard Class H3 and

BELOW / IN GROUND USE is equivalent to Hazard Class H4 
 

 



We are currently "retagging" (marking) our products with the inclusion of H3 and H4 identification - any timber previously marked without the Hazard class will be deemed as per the above hazard class association.

If any further clarification is required - please contact our office

 

MICROPRO INFO SHEET
KOPPERS SDS MICROPRO TIMBER
MICROPRO - TECHNICAL INSTALLATION GUIDE
MICROPRO - LIMTED WARRANTY
FWT MOULD INFO SHEET
FWT SPECIFICATION INFO SHEET
SITE SAFTEY NOTICE SN 09
SITE SAFTEY NOTICE SN 52
SITE INDUCTION CHK 10 2 TRANSPORT
SITE INDUCTION CHK 10 1 GENERAL CONTRACTORS
SITE INDUCTION CHK 10 3 SWRA CONTRACTORS
SITE MAP 03
MICROPRO - TEAR OFF
HARDWOOD PACK SPECIFICATIONS
PINE PACK SPECIFICATIONS
TPAA BRANDING CERTIFICATE H3 MCA
TPAA BRANDING CERTIFICATE H4 MCA
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