PVC waterproofing and isolating sheet reinforced with glass fibres, for laying internal resilient and fabric floors on substrates which have cracks, which are particularly dirty or damp or which are subject to capillary-action rising damp. TECHNICAL DATA: Length: 25 m. Width: 2 m. Thickness: 1.2 mm. Weight: 1.1 kg/m². Packaging: 25 m rolls. Weight of roll approx. 57 kg.