Synthetic fully-bonded waterproof sheet membrane, laminated with non-woven fabric for waterproofing underground structures. TECHNICAL DATA: Width: 1000 mm. Thickness: 1.7 mm. Weight: ≥ 1.3 kg/m². Watertightness (no lateral migration) according to ASTM D 5385 mod. (bar): ≥ 7. Storage: 24 months. Packaging: pallets with 15 rolls (20 x 1 m).