Nu-Glaze® complies with SANS 613 (SABS and AAAMSA tested), and achieved a A3 rating, A1 being the minimum requirement for domestic buildings. Certificates available on request. This compliancy means no water, air or dust leakage through the glazing from right after installation continuing through it's entire lifespan. The type of silicone and quality PVC used, ensures every measure has been taken to avoid material failure. The installation process was designed to minimise risk of poor workmanship, however, like the best product in the world, quality inspections are necessary to ensure OEM compliancy.