• Internal
• Wall or floor
• Ideal for wet areas, eg bathrooms, kitchens

ARDEX Undertile Sheet Membrane (WPM 750 and WPM 1000) has been appraised for use as a waterproofing membrane for the internal wet areas of buildings, within the following scope: 

• On floor substrates of concrete, plywood, compressed fibre cement sheet and fibre cement sheet tile underlay, and on wall substrates of concrete, concrete masonry, wet area fibre cement sheet lining systems and wet area plasterboard lining systems; and,
• When protected from physical damage by ceramic or stone tile finishes; and,
• Where floors are designed and constructed such that deflections do not exceed 1/360th of the span. 2.2

• ARDEX WPM 750 is compatible with undertile heating systems. Contact ARDEX Technical Services for more information

ARDEX Undertile Sheet Membrane (WPM 750 and WPM 1000) has been appraised for use as a waterproofing membrane for the internal wet areas of buildings, within the following scope:

• On floor substrates of concrete, plywood, compressed fibre cement sheet and fibre cement sheet tile underlay, and on wall substrates of concrete, concrete masonry, wet area fibre cement sheet lining systems and wet area plasterboard lining systems
• When protected from physical damage by ceramic or stone tile finishes
• Where floors are designed and constructed such that deflections do not exceed 1/360th of the span. 2.2

ARDEX WPM 750, provided it is used, installed and maintained in accordance with the statements and conditions of the ARDEX WPM 750 Datasheet, will meet the following conditions of the NZBC:

• Clause B2 Durability: Performance B2.3.1 (b) 15 years
• Clause E3 Internal Moisture: Performance E.3.3.6
• Clause F2 Hazardous Building Materials: Performance F2.3.1

ARDEX WPM 750 has a history of use within Australia and New Zealand since the product's creation. ARDEX WPM 750 has been a favourite for high-end homes — especially in wetrooms, or installations requiring underfloor heating.

ARDEX WPM 750 has also been specified in a small amount of commercial projects, one being the new rebuild of the Wellington Airport Rydges Hotel.

• 20-year product warranty when installed by an ARDEX Approved Applicator
• Manufactured in New Zealand