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 Governments 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 Appraised as an individual element over all popular substrates and also Appraised as part of the Hebel Supercrete 50mm AAC Panel System.