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Waterproofing Wet Area Membrane

 

Heritage Restoration
Architectural Coatings
Waterproofing
 

 

 

WB Silane
WB30 Epoxy
WB25 Epoxy
Wet Area Membrane
CR25
Interproof
Salt Retarder

 

DESCRIPTION

Westox Wet Area Membrane is a butadiene rubber membrane and complies to AS/NZS 4858.  

USES

Westox Wet Area Membrane is a liquid applied membrane for shower, bathroom and balcony waterproofing prior to tiling. Wet area membrane can be used for flat roof applications but it is recommended to protect from UV.

FEATURES

  • Easy to apply with brush and roller (single pack) 
  • High Elasticity
  • Fast drying-typically touch drying in 1 hour 
  • Solvent and plasticiser free
  • Compatible with most single pack Ceramic Tile Adhesive 
  • Resistant to Alkali Sodium Hypochlorite
  • High water resistance – Low vapour transmission
  • Non- toxic-Non-Hazardous

TECHNICAL DATA

 Water Absorbtion  24 hour submersion  6%
 Tensile Strength  500mm minute  4N/Sq.mm
 Elongation at break %  480  
 pH  9.0 - 10.0  
 Viscosity  RVT 4/60  4000 + / - 500
 Solids by volume %  60  
 Water Vapour Transmission  WVT  4g/m 2224 hours at 25ºc/75% RH
 Shore Hardness  70  
 S.G.  1.2kg / litre  

SUFACE PREPARATION

Ensure all surfaces to be coated are clean, sound and free of dust. The surface to be coated should be reasonably even so a uniform thickness can be applied. Westox CR-25/ Cement can be used to even the surface prior to the application of the Wet Area Membrane.
Westox Wet Area Membrane can be applied to damp substrates provide there is no free water present. If in doubt, pre prime with Westox CR-25 / Cement or Westox WB30 Epoxy allowing a minimum of 4 hours drying before applying the Westox Wet Area Membrane.   Consult our Technical Department if you require further advice.

APPLICATION

Apply Wet Area Membrane in 2 coats at approximately 500ml/600g per m2 (600 micro WFT) Allow a minimum of 4 hours and a maximum of 24 hours between coats. The finishing dry firm thickness (DFT) should not be less than 600microns. Reinforcement with Westox Polymesh is recommended at wall and floor junction. Allow a minimum of 4 days cure carrying out ponding tests or tiling. (Longer at low temperatures). 

LIMITATIONS

  • Westox Wet Area Membrane is not suitable for use over expanded Polystyrene. 
  • Do not apply at surface or air temperature below 7ºc.
  • Do not apply externally if wet weather is imminent.

CLEAN UP & PACKAGING

Wash all tools and containers in water immediately after use.
Container Size: 15 Litre containers.

SAFETY

The Westox Area Membrane contains no solvents and is considered non toxic, however normal hygiene practice should be observed and protective clothing should be worn to prevent prolonged skin contact.
Refer to Westlegate Material Safety Data Sheet (MSDS) for instructions.

   

The information contained on this site is intended to give a fair description of the products and their capabilities under specific test

conditions.It does not constitute an offer by the manufacturer, nor does the manufacturer warrant or guarantee its accuracy or

completeness in describing the performance or suitability of the various products !


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