Vapour Control Layer Warm Flat Roof

The roof is an unventilated warm roof design finished with a single ply membrane.
Vapour control layer warm flat roof. It has transpired that there is no vapour control layer fitted. It s the first line of defence against high vapour pressure air entering the roof structure and causing interstitial condensation. A warm roof features a structural deck vapour control layer insulation and waterproofing a tried and tested solution that the industry knows works. Vapour control layer sarnavap 2000 e.
We provide a vapour control layer for flat roof installations as well as heavy duty vapour control layers for a warm flat roof. A vapour control layer helps you shield your building from the consequences of condensation. 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.
Including fibreglass roof kits torch on felt and liquid rubber products everything you need for flat roofing is in one place. Warm flat roofs inverted flat roofs green flat roofs. Sika limited who are we. Vapour control layer sarnavap 5000 e sa.
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. Condensation is generated when warm moist air rises and condenses into a liquid on contact with the cooler areas above the insulation. 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. 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.