Ardex

ARDEX WPM 750 – Internal Undertile Welded Sheet Membrane

$1,890.00 AUD
$1,890.00 AUD
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ARDEX WPM 750 is a fleece-lined, heat-welded sheet membrane designed for internal wet areas such as bathrooms and showers. It provides a consistent membrane thickness and forms a fully welded system at laps and seams for reliable waterproofing performance.

The membrane is installed using ARDEX CA 750 contact adhesive and heat-welded joins, allowing rapid installation with flood testing, tiling, or screeding possible after approximately 1 hour. It is compatible with ARDEX tile adhesives and water-based liquid membranes for hybrid system detailing.

• Heat welded sheet membrane system for consistent waterproofing
• Fast installation with tiling or screeding after approx 1 hour
• Excellent flexibility and elongation with no fillet or bond breaker required
• Compliant with AS/NZS 4858 for internal wet areas
• Fleece lined surface for strong adhesion to tiles and screeds
• Compatible with ARDEX tile adhesives and liquid membranes
• High resistance to tearing, cracking, bubbling and water absorption

• Internal wet areas including bathrooms and showers
• Direct under tile waterproofing systems
• Screeded wet area floors
• Floor to wall transitions and junctions
• Service penetrations using compatible detailing tapes
• Underfloor heating systems when correctly encapsulated

• Roll size 1.4m x 20m
• Membrane thickness 0.75mm
• Elongation greater than 300 percent
• Tear resistance 26.5 kN per metre minimum
• Tensile strength minimum 5.0 MPa
• Service temperature range minus 30°C to 80°C
• Water vapour transmission 0.21 g per square metre per 24 hours
• Water absorption maximum 1.88 percent
• Minimum 40mm overlaps with heat welded seams
• Minimum 150mm floor to wall upturns
• Suitable for flood testing after approximately 1 hour
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