Vapour Control Layer Flat Roof

The answer to keeping timber framed walls and roofs dry is to use a layer to restrict the flow of moisture but not to try and stop it.

Vapour control layer flat roof.

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. We provide a vapour control layer for flat roof installations as well as heavy duty vapour control layers for a warm flat roof. Interstitial condensation can happen if warm air from inside th. A vapour control layer or vcl on a warm flat roof sits between the roof decking and the insulation.

I have been looking through insurance and they seem to ask about type of flat roofs. Time and time again i see the wrong vaper control layer being used and installed incorrectly. 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.

If you aren t sure which product is right for your project give our customer service team a call on. The flat roof has 2 roof lanterns. A question for the experts. Vapour control layers vcl.

Using a vapour control layer to control condensation. 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. 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 level of vapour permeability required is defined in bs 5250 code of practice for control of condensation in buildings.

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. Vapour control layers are positioned to the inside of the insulation in order to minimise the amount of warm moist air entering the. Breather membrane a continuous layer of highly vapour permeable material to permit the movement of water vapour in cold roof constructions note.

What is the difference between a vapour control layer and a breather membrane. Hi i m in the process of building a single story flat roof extension. Browse the links below to discover fantastic products such as ultrablock 200 thermo reflective vapour control layer monarflex monarfilament 250 vb and much more. The vapour control layer vcl often overlooked underrated punctured adlib and sometimes even completely omitted mainly because we re just not sure if it really is all it s cracked up to be after all even if we leave it out altogether the roof shouldn t leak right.