ARDEX WPM 300 (Hydrepox) is a specialized two-component, water-based epoxy polyamide membrane designed for professional-grade moisture protection. It functions as both a heavy-duty moisture barrier and a hydrostatic pressure-resistant waterproofing membrane, suitable for negative side applications.
ARDEX WPM 300 is the industry standard for low water vapour transmission. It is widely used as a seal coating over damp concrete or as a negative side waterproofing barrier in:
Ardex WPM 300 PDS | SDS Part A | SDS Part B
Technical data and specifications provided by the manufacturer. View the official ARDEX WPM 300 Technical Resources.