ARDEX WPM 300 (HydrEpoxy) is a two component water-based epoxy primer/barrier coating. ARDEX WPM 300 (HydrEpoxy) is extremely versatile and can be used in a variety of applications.


    • Compatible with damp surfaces and green concrete
    • When applied to the substrate, can prevent rising damp and the formation of efflorescence
    • Potable drinking water compliant – AS4020 and SS375
    • Can withstand 250kPa of hydrostatic pressure – equivalent to 25 metre head of water