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Visqueen CO2 Gas Membrane
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High quality robust Polyethylene based Membrane High resistance to puncture Low permeability to carbon dioxide Also acts as a damp proof membrane
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The Building Regulations require that proper precautions be taken to prevent danger to health and safety when building on contaminated land. Visqueen CO2 Gas membrane offers a safe solution for the protection of buildings against carbon dioxide, when installed in accordance with BRE Report: 414 "Construction of buildings on gas contaminated land". Visqueen CO2 is a robust polyethylene-based membrane; for ease of identification on site the membrane is coloured yellow. The Barrier is flexible and is easy to install, and is also suitable for use as a damp proof membrane. |
| Technical Data |
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| Thickness |
300mu |
| Width (m) |
4 |
| Length (m) |
25 |
| Colour |
Yellow |
| Roll Weight |
27.6Kg |
| Technical Performance |
| WVTR BS 2782: Part B, method
820A (1992) 23±2°C 75±5% RH |
0.56g/m2 day |
| Tear Resistance (Trouser Tear)
BS 2782:6 method 631A |
| Unaged |
MD: 60.8N
CD: 54N |
| Aged |
MD: 64.4N
CD: 56.6N |
| Tensile Strength and Stretch BS
2782: 3 method 320A 1976 (1996) |
| Strength |
| Unaged |
MD: 25.7N/mm2
CD: 21.4N/mm2 |
| Aged |
MD: 22.2N/mm2
CD: 23.9N/mm2 |
| Elongation |
| Unaged |
MD: 1102%
CD: 1067% |
| Aged |
MD: 972%
CD: 1133% |
| Tear Resistance (Nail Tear)
MOAT 27 : 5.4.1 |
| Unaged |
MD: 105N
CD: 104N |
| Aged |
MD: 106N
CD: 107N |
| Dart Impact Strength (Impact resistance
in grams) ASTM D1709-91 |
1100g |
| Low Temperature Flexibility
MOAT 27: 1983 5.4.2 |
Pass |
| Density |
0.92g/cm3 |
| Mass/unit area
BS EN ISO 536 (1997) |
280g/m2 |
| Gas (CO2) permeability test in accordance with
ISO 2782: 1995 |
| Permeability Value |
1.18x10-16 m2/sec/Pa |
| Gas Trans. Rate |
146 cc/m2/hr |
| Visqueen Zedex CPT High Performance DPC |
| Permeability Value |
1.58x10-16 m2/sec/Pa |
| Gas Trans. Rate |
66.9 cc/m2/hr |
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