The Supercoat Tanking Membrane System has been Appraised by Opus International Consultants as part of the Hebel Supercrete AAC 75mm Panel Cladding System.

It was this Appraisal by Opus that was later Accredited by the New Zealand Government's Department of Building & Housing making Supercoat's Tanking Membrane System the only waterproofing System to ever be Accredited by the Department of Building & Housing in New Zealand.

The Building Element Assessment Laboratory (BEAL), have also thoroughly tested and Appraised the Supercoat Tanking Membrane System. The Supercoat Tanking Membrane has been Appaised as an individual element over all popular substates and also Appraised as part of the Hebel Supercrete 50mm AAC Panel Cladding System.