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Appraisal number: 955 (2017)

Date issued: 10 Nov 2017

USG Boral Wet Area Systems


USG Boral Wet Area Systems are for the interior lining of timber and steel-framed walls and ceilings in wet areas such as bathrooms, laundries, kitchens and toilets where a water-resistant lining material is desirable.

USG Boral Wet Area Systems are based on USG Boral MultiStop™ 4 and USG Fiberock® Aqua-Tough™ water resistant plasterboards.


USG Boral Wet Area Systems have been appraised for use as a wet area wall and ceiling lining in buildings within the following scope:

  • On framed walls and ceilings within the scope limitations of NZS 3604.
  • On timber and light-gauge steel-framed walls and ceilings subject to specific design.

Technical literature

  • USG Boral Plasterboard Wet Area Systems Manual, PB500/1, April 2018
  • USG Boral Plasterboard Installation Manual New Zealand, PB105/2, 1 February 2017

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder

USG Boral Building Products NZ
Phone: 0800 874 267

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