H-series: Revision history

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19 September 2025

  • curprev 04:0004:00, 19 September 2025‎ Peter wood talk contribs‎ 2,569 bytes +60‎ No edit summary Tag: Visual edit: Switched
  • curprev 03:4803:48, 19 September 2025‎ Peter wood talk contribs‎ 2,509 bytes +2,509‎ Created page with "The H-series is a system for classifying the hazard level of timber, which determines the type and amount of preservative treatment required to protect it from decay and insects. The higher the number, the greater the hazard and the more protection the timber needs. This system is based on Australian Standards and is crucial for selecting the right timber for a specific application. H-series hazard levels: H1 (Inside, above ground): This is the lowest level of treatmen..."
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