ADVANCED TECHNOLOGY PRODUCT. Composite, multy-layer, waterproofing membrane with a differentiated polymer-bitumen mix and composite reinforcement. The top layer is made of elastoplastomeric polymer-bitumen. Composite, stabilised, pre-coupled, three-layer prefabricated reinforcement, with glass fibre mat compressed between two layers of rot-proof "non-wowen" polyester single strand Spunbond fabric with elastoplastomeric polymer-bitumen. Bottom layer made of elastoplastomeric polymer-bitumen. The upper face is coated with the multi-functional TEXFLAMINA finish. Self-protected with slate granules.