A one-part, liquid applied, high solids, charcoal grey colour polyurethane (PU) waterproofing membrane. It is formulated for simple, high build application to horizontal and vertical substrates. After application, the product cures through reaction with ambient humidity, forming a flexible, elastomeric membrane. SILCOR 560® HB is a certified Class III membrane and is compliant to AS4858:2004: Wet Area Membranes, when applied in accordance to AS3740:2010 waterproofing Wet Areas in Residential Buildings. SILCOR 560 HB is tested to AS4654.1 to ensure compliance with the NCC for external waterproofing in Australia.