Kingspan AIR-CELL Permicav® (Patent No. 2012100976) is an all-in-one insulation and vapour-permeable membrane designed specifically for walls with cavities to reduce the risk of condensation. Manufactured with a patented closed-cell structure sandwiched by highly reflective foil surfaces and pierced with tiny, evenly-spaced perforations, Kingspan AIR-CELL Permicav® allows water vapour permeance while helping to achieve a 6-star house energy rating.
Kingspan AIR-CELL Permicav® is suitable for:
- Wall Insulation- Double Brick Cavity Wall Insulation, Brick Veneer Wall, Concrete & Block Wall
| Product Data |
|
| Emittance |
Reflective: E0.03
Anti-glare: E0.05 |
Roll size
|
1350 mm x 22.25 m (30 m2) |
| Product thickness |
5.5 mm |
| Roll weight |
7.7 kg |
Condensation
As thermal performance requirement for the building fabric continue to rise, condensation is becoming an increasingly important design consideration for healthy buildings. Kingspan AIR-CELL Permicav® reduces the risk of interstitial condensation by allowing vapour to permeate though tiny perforations.
The calculation below shows that temperature profile of the system, represented by solid line (T), does not drop below dewpoint temperature, represented by the dotted line (D), indicating that condensation will not occur in this system in this particular location.
Sample condensation assessment for Kingspan AIR-CELL Permicav® in a double brick cavity wall in Perth, WA (BCA Climate Zone 5) performed in accordance with ISO 13788:2001 (Corrigendum 1).
