Vapour Control Barrier Roof
The roof membrane on the top is clearly a vapor barrier.
Vapour control barrier roof. Classic compact flat roof the most famous double vapor barrier of them all. And the membrane on the bottom is also a vapor barrier. The goal of vapor barrier strategies is to prevent moisture from collecting and corrupting building materials. That reduction of air and moisture infiltration can then help improve roof longevity.
Vapour control barrier layers about roofing supplies stock supply vapour control barrier layers which are used on warm flat roofs between the decking and insulation to prevent moisture penetrating the insulation layer and compromising it s performance. The risk of condensation through warm air from the inside of the building coming into contact with cold surfaces in roofs and walls. We also stock impermeable air barriers to increase air tightness. In fact it is almost a perfect vapor barrier.
A vapour control layer is a vapour tight or a vapour check membrane that is installed on the warm side facing towards the liveable area of a roof or on the inside of the exterior house wall. The amount of.