DUO ROOFING SYSTEMS A BRANZ certified two-layer torch applied membrane system designed for use on exposed architectural flat roofs, podium decks, balconies, and terraces. FLAGON TPO ROOFING SYSTEMS A world class, cost effective single layer Thermoplastic Polyolefin (TPO) roofing membrane system. CHEVALINE DEXX ROOFING SYSTEM A liquid applied, single layer glass fibre mat reinforced membrane for use in sealing old and new flat and near-flat roofs, walk out decks and patios.