Vapour & Air Leakage
Loose laid and self-adhesive vapour control layers designed to provide air-tightness and vapour responsiveness in buildings. To ease specification issues, Visqueen has produced a product selector that responds to various and complex design challenges where there is a risk of condensation within buildings (BS5250 Conditions)
Visqueen Vapour Control Layers
| Vapour Check | Vapour Barrier | HP Vapour Barrier | FB Vapour Barrier | |
|---|---|---|---|---|
| BS5250 Conditions | Class 1 | Class 2&3 | Class 4&5 | Class 4&5 |
| Application Method | Loose laid | Loose laid | Loose Laid | Self Adhesive |
| Roll Dimensions (m) | 2.45 or 4x50 | 2x50 | 1.6x30 or 60 | 1x20 |
| Water Vapour Min. Resistance (MNs/g) | 260 | 530 | 1100 | 2000 |
Visqueen Vapour Check
Visqueen Vapour Check is used to omit the risk of interstitial condensation within a structure (Class 1 BS5250 Conditions).
Visqueen Vapour Barrier
Visqueen Vapour Barrier is used to omit the risk of interstitial condensation within a structure (Class 2&3 BS5250 Conditions)
Visqueen High Performance (HP) Vapour Barrier
Visqueen HP Vapour Barrier restricts the passage of warm, moist air from within the building from permeating into the structure or the roof (Class 4&5 BS5250 Conditions).
Visqueen Fully Bonded Vapour Barrier
Visqueen FB Vapour Barrier restricts the passage of warm, moist air from within the building from permeating into the structure or the roof (Class 4&5 BS5250 Conditions).
