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Timber and timber-based flooring in wet areas

There has been some confusion about the requirements for timberbased flooring and floor structures under wet areas. Wet areas are spaces that contain sanitary fixtures or appliances, including laundries, bathrooms, kitchens and toilets.

This is guidance for designers and building consent authorities having difficulty interpreting New Zealand Standard NZS 3602: Timber and Wood Based Products for Use in Building regarding treatment of flooring in wet areas.

This information was confirmed as current in February 2016. It originally appeared in Codewords newsletters prior to January 2014.

  • Published on 1 May 2006
  • Of interest to Building consent authorities, Designers

This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: