Multi-layer, Alpa® binder reinforced bitumen membrane.
A premium range of high performance reinforced bitumen waterproofing membranes, manufactured with the unique Alpa® polymeric binder, providing a durable, technologically advanced RBM system suitable for multi layer application, zero fall, fully or partially bonded, mechanically fixed or flame free. Excel has shown exceptional ageing characteristics with laboratory accelerated ageing tests determining a service life in excess of 60 years. The Excel system includes Air and Vapour Control Layers (AVCLs), tapered or flat board thermal insulation, underlayers and robust, versatile capsheets self finished in a choice of colours to suit roof designs of differing complexity.
A minimum 50 year design life expectancy (BS 8747), available with a 30 year guarantee