Vapour Control Layer Warm Flat Roof
It s the first line of defence against high vapour pressure air entering the roof structure and causing interstitial condensation.
Vapour control layer warm flat roof. Vapour control layer sarnavap 5000 e sa. A vapour control layer is designed to catch this vapour preventing it from condensing on the insulation or elsewhere in the loft space or attic. Vapour control layer sarnavap 2000 e. Sika limited who are we.
A vapour control layer helps you shield your building from the consequences of condensation. The architect plans stated requirement for a vapour control layer below the insulation or a 3 in 1 insulation board including vapour control layer and an additional foil backed plasterboard. Warm flat roofs inverted flat roofs green flat roofs. It has transpired that there is no vapour control layer fitted.
A vapour control layer or vcl on a warm flat roof sits between the roof decking and the insulation. Flat roofs are among the simplest construction elements that can feature in a building. A warm roof features a structural deck vapour control layer insulation and waterproofing a tried and tested solution that the industry knows works. Published on may 13 2013 the buildup of a warm flat roof starts with a good vapour barrier followed by insulation then more decking or just the roofing materials depends on if you want the roof.
Vapour control layers at roofing superstore our choice of flat roof materials includes everything you need to create a long lasting weather proof flat roof that performs and looks good too. The notion behind a vapour control layer is to install it on the room side of the insulation so it stops the passage of warm moist air entering the structure. Be it a cold or warm roof construction the primary function of a vcl is to keep warm moist air from inside the building inside the building. Condensation is generated when warm moist air rises and condenses into a liquid on contact with the cooler areas above the insulation.