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• 00:21, 17 March 2023 Peter wood talk contribs created page H2 (Created page with "H2 is a hazard level for treated lumber that indicates the level of protection against decay and insect attack. The H2 treatment is a light-duty treatment and is suitable for use in above-ground, interior applications where the timber is not in direct contact with the ground or exposed to the weather. The H2 treatment process involves treating the lumber with a preservative that contains copper and an azole fungicide. This treatment provides protection against decay fun...")