Vapour Control Layers Flat Roofs
Time and time again i see the wrong vaper control layer being used and installed incorrectly.
Vapour control layers flat roofs. The notion behind a vapour control layer is to install it on the room. What is the difference between a vapour control layer and a breather membrane. Iko s vapour control layers are highly durable against water vapour and exhibit excellent mechanical properties. Using a vapour control layer to control condensation.
Vapour control layers are positioned to the inside of the insulation in order to minimise the amount of warm moist air entering the. A vapour control layer helps you shield your building from the consequences of condensation condensation is generated when warm moist air rises and condenses into a liquid on contact with the cooler areas above the insulation. A vapour control layer or vcl on a warm flat roof sits between the roof decking and the insulation. Interstitial condensation can happen if warm air from inside th.
Bs6229 2003 gives advice on vapour control layers in flat roofs and the control of condensation within the building generally. Vapour control layers are normally considered essential under insulation in warm roof constructions to reduce the risk of condensation.