H4: Revision history

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17 March 2023

  • curprev 00:3000:30, 17 March 2023Peter wood talk contribs 956 bytes +92 No edit summary Tag: Visual edit
  • curprev 00:2700:27, 17 March 2023Peter wood talk contribs 864 bytes +864 Created page with "In Australia, H4 is a hazard level for treated lumber that indicates the level of protection against decay and insect attack. The H4 treatment is a heavy-duty treatment and is suitable for use in ground contact and fresh water applications. The H4 treatment process involves treating the lumber with a preservative that contains copper, azole fungicides, and a co-biocide. This treatment provides protection against decay fungi, borers, and termites. H4 treated lumber is c..." Tag: Visual edit