Description
A self-adhesive vapour permeable air-tightness membrane is installed outside the services zone. Assists in achieving good air tightness testing results. Wraptite is a unique external airtight solution, which is not only highly vapour permeable, yet airtight – but also self-adhered to ensure a consistent airtight external seal.
Technical Specifications:
| Property | Test Method | Result |
| Roll Size | 50m x 1.5m | |
| Nominal Thickness | Calibrated Deadweight Micrometer | 0.65mm |
| Weight | Electronic Weigh Scale | 292 g/m2 |
| Application Temperature | Air & Surface minimum-6C | |
| Service Temperature | -40C to 80C | |
| Water Penetration | EN 1928:2000 Method A | Class W1 (before ageing) |
| Water Penetration | EN 1928:2000 Method A | Class W1 (after ageing) |
| Air Permeance | EN 12114 | 0.01m3/m2/hr @50Pa |
| Water Vapour Permeability | EN ISO 12572(C) | Sd 0.039m |
| Water Vapour Transmission | BS 3177:1959 | 893 g/m2/24hr |
| Peel Adhesion | EN 1939 | 5.01N/10mm |
| Tensile Strength | EN 12311-1 | MD 417N XD 252N |
| Tear Resistance | EN 12310-1 | MD 412N XD 286N |
| Dimensional Stability | EN 1107-2 | MD 0.3% XD +0.1% |
| Reaction to Fire | EN 13501 – 1 | Class B |
| Flexibility at Low Temperature | EN 1109 | No cracks at -40C |
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