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Watergate Plus

Watergate Plus is a fire retardant, absorbant  and breathable wall underlay.   Is a white composite Non-Woven polypropylene, specifically designed as a wall underlay behind exterior wall claddings.  Watergate Plus also offers a high degree of water resistance, with a high level of water vapour permeability.

Key Features

  • BRANZ appraised
  • Water barrier
  • Fire retardant
  • Breathable
  • Absorbant
  • Wind barrier
  • Translucent


  •  Can be used as a wall Underlay on timber and steel framed buildings with absorbant and non-absorbant wall claddings direct fixed to framing.
  •  Can be used a Wall Underlay in a drained cavity.
  •  Can be used as an air barrier where walls are not lined (attic spaces, gable ends)
  •  Suitable up to and including "very high" Building Wind Zones of NZS 3604S
  •  Unaffected by LOSP Timber