Vapour Control Layer For Warm Flat Roof

I have been looking through insurance and they seem to ask about type of flat roofs.

Vapour control layer for warm flat roof.

Including fibreglass roof kits torch on felt and liquid rubber products everything you need for flat roofing is in one place. The notion behind a vapour control layer is to install it on the room. If this has not been done then we would recommend that you install one underneath the joists before the plasterboard goes up. Include at least one layer of bitumen roofing membrane s2p3 below the insulation fully bonded or mechanically fixed to the structural deck as appropriate or a suitable self adhesive or torch on membrane.

The type of 3 layer roof. Vapour control layers should be provided to warm roofs and. A vapour control layer or vcl on a warm flat roof sits between the roof decking and the insulation. In this case you need to lay a full vapour barrier on top of your flat roof deck before you lay the insulation and your flat roof covering.

We provide a vapour control layer for flat roof installations as well as heavy duty vapour control layers for a warm flat roof. A question for the experts. Much like the cold roof it stops the transfer of warm moist air from inside the building into the warm roof layers. Using a vapour control layer to control condensation.

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. With any warm flat roof detail such as this a vapour control layer should have been laid on top of the roof deck underneath the insulation. This could be a 1000 gauge min polythene sheet. Vapour control layers vcl.

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. I have a 3 layer. 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. The flat roof has 2 roof lanterns.