Key features

• Dual lap improves lap adhesion even in damp conditions
• Fully adhered to poured concrete
• Uniform mineral particulate distribution protects adhesive from UV
• Unaffected by hydrostatic pressure and contamination
• Chemically resistant
• Fully adhered watertight overlaps

Applications

• Basement rafts and confined retaining walls

Specifications

Chemical base: HDPE sheet membrane with adhesive layer and sand topping | Colour: Grey sand finish | Effective thickness: HDPE composite > 1.2 mm (ASTM D3767) | Static puncture resistance: ≥ 900 N (ASTM E154) | Tensile strength: ≥ 25 MPa free film (ASTM D412) | Elongation: > 500 % (ASTM D412) | Peel adhesion to concrete: ≥ 1.8 N/mm (ASTM D903) | Joint peel resistance: ≥ 1.4 N/mm HDPE to HDPE at overlap; ≥ 0.8 N/mm tape to membrane at 23 °C (ASTM D1876) | Low temperature flexibility: Unaffected at -23 °C (ASTM D1970) | Water tightness: > 71 m hydrostatic head (ASTM D5385) | Lateral water migration resistance: > 71 m (ASTM D5385) | Shelf life: 12 months | Storage temperature: +5 °C to +30 °C | Application air/substrate temperature: +5 °C to +40 °C | Concrete to be poured within: 45 days of installation

Standards: IS 16471 : 2017 (bonded sheet membrane)