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In StockVisqueen High Performance Vapour Barrier is a multi-layer air and vapour control layer (AVCL) and is used in high condensation risk buildings to reduce the risk of interstitial condensation occurring within the structure as well as improving the airtightness of the
building.
Visqueen High Performance Vapour Barrier is a multi-layer reinforced polyethylene barrier with a 20 micron aluminium foil. The barrier is coloured blue on the upper surface and silver on the reverse. The product is supplied in single wound rolls (not folded), 2m x 50m long.
Features & benefits
| Property | Test Method | Units | Compliance Criteria | Result |
| Visible defects | EN 1850 -2 | – | Pass/Fail | Pass |
| Length | EN 1848-2 | m | -0%/+10% | 50 |
| Width | EN 1848-2 | m | -0%/+10% | 2 |
| Thickness | EN 1849-2 | mm | -12.5%/+12.5% | 0.52 |
| Mass | EN 1849-2 | g/m2 | -12.5%/+12.5% | 345 |
| Tensile strength – MD | EN 12311 | N | MLV | 515 |
| Tensile strength – CD | EN 12311 | N | MLV | 550 |
| Tensile elongation – MD | EN 12311 | % | MLV | 17 |
| Tensile elongation – CD | EN 12311 | % | MLV | 15 |
| Joint strength | EN 12317-2 | N | MLV | 332 |
| Watertightness 2kPa | EN 1928 | – | Pass/Fail | Pass |
| Resistance to impact | EN 12691 | mm | >MLV | 200 |
| Low temperature fexibility | EN 495-5 | °C | -40 | Pass |
| Durability (artifcial ageing) | EN 1296 and EN 1928 | – | Pass/Fail | Pass |
| Durability chemical resistance | EN 1847 | – | Pass/Fail | Pass |
| Resistance to tearing (nail shank) CD | EN 12310-1 | N | MDV | 358 |
| Resistance to tearing (nail shank) MD | EN 12310-1 | N | MDV | 368 |
| Mean water vapour resistance factor | EN 1931 | (µ) | MDV | 3500000 |
| Mean water vapour resistance | EN 1931 | MNs/g | MDV | 7000 |
| Mean water vapour permeability | EN 1931 | g/m2/day | MDV | 0.03 |
| Reaction to fire | EN 13501-1 | Class | MDV | F |
| EN 13501-1 | EN 1931 | m | MDV | >1500 |
| Air leakage | BS EN 1026:2016 | m³/h/m² @ ±100 Pa | <5 | 0 |
Please see our our Delivery policy page for full details of our delivery terms and conditions, including information on exclusions, geographical restrictions, third parties, and failed deliveries.
We will endeavour to deliver all orders within 1-3 working days (subject to geographical restrictions). Please note, where delivery lead-times for individual orders may be subject to change, we will keep you informed directly by phone or email within 24 hours of your order being placed.
Deliveries will not be made on UK bank holidays, and in such cases will fall on the next working day.
Standard delivery hours are between 8am and 6pm, Monday to Friday. If you are not available to accept the delivery when it is attempted, then a failed delivery charge will be applied (see the Delivery page for full details)
All orders, excluding those containing products covered in section 3 below, will be subject to the below delivery fee structure:
The delivery fees detailed above apply to all orders, excluding:
| Code | Description | Weight (kg) | Delivery Fee Per Unit |
|---|---|---|---|
| Multiple | All membrane products with a width of two metres and above | Varied | £20 |
| M3 | Newton CDM 508 Mesh | 29.26 | £25 |
| M2 | Newton CDM 508 eco Floor | 41.3 | £30 |
| M4 | Newton CDM 520 eco Floor | 37.62 | £40 |
*Please note that, for orders containing membranes of two metres wide and above:
The above delivery fees apply to all postcodes in mainland England, Wales and Scotland.
For deliveries to Ireland, Northern Ireland, the Channel Islands, the Scottish Isles, and any international orders please get in touch with the BaseTec team directly by email or phone for a custom delivery price. Standard delivery timescales do not apply to these areas and will be advised on request.
Additional charges, including customs fees, duties, or taxes may apply for international orders.
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