VapourFlex® VPM is a vapour permeable, Light Duty wall wrap, designed for use in a wide range of wall systems in both residential and commercial applications.
VapourFlex® VPM is classified as a Class 4 Vapour Permeable Membrane and a Water Barrier. Water vapour absorbs and diffuses through the core non-woven structure, ensuring condensation risk is controlled, while outside liquid water cannot penetrate inwards.
Residential & Commercial Wall Wrap and Vapour Permeable Membrane for a wide range of wall systems.
Declared Total System R-Values | Summer | Winter |
Fibre cement and metal clad walls Battened (on the outside of studwork), 90mm frame (no bulk insulation), 10mm plasterboard. |
RT0.6 | RT0.6 |
Brick veneer walls Cavity (on the outside of studwork), 90mm frame (no bulk insulation), 10mm plasterboard |
RT0.7 | RT0.7 |
This calculation complies with the requirements of AS 4859.2.
The contribution of this product to the total R value depends on installation and environmental conditions. The R value will be reduced in the event of the accumulation of dust on upward facing surfaces and in cavities that are ventilated.