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AS/NZS 4858:2004 Wet area membranes 2004 cover

Standards Australia/Standards New Zealand

Version:  First Edition 2004.  (Current)
Sets out to classify membranes based on elastic properties, which can then be used to give guidance on the type of detailing for a specific membrane referred to in AS 3740.
AS/NZS 3500.4:2025 Plumbing and drainage, Part 4: Heated water services 2025 cover

Standards Australia/Standards New Zealand

Version:  Fifth Edition 2025.  (Current)
AS/NZS 3500.4:2025 specifies the requirements for the design, installation and commissioning of heated water services using drinking water or rainwater or a combination thereof. It includes aspects of the installation from the valves on the cold-water inlet to any cold-water storage tank or water heater and the downstream fixtures and fittings. It applies to new installations as well as alterations, additions and repairs to existing installations