Vapour Control Layer Warm Roof

Including fibreglass roof kits torch on felt and liquid rubber products everything you need for flat roofing is in one place.

Vapour control layer warm roof.

The roof is an unventilated warm roof design finished with a single ply membrane. Vapour control layers are positioned to the inside of the insulation in order to minimise the amount of warm moist air entering the. This is known as a vapour control layer vcl or a vapour retarder. 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.

However it is important to note that vapour control layer timber frame membrane must be installed in conjunction with a good ventilation system and membranes. Using a vapour control layer to control condensation. What is the difference between a vapour control layer and a breather membrane. 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.

Vapour control layers should be provided to warm roofs and. 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. A vapour control layer is typically installed on the warm side of the insulation to block the warm moist air from entering the roof space. A vcl is always used as close to the inner face of a wall as possible and reduces the.

It has transpired that there is no vapour control layer fitted. This is important why. 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. Vapour control layers vcl.

Well once a warm roof is completed it s effectively a sealed capsule. Whilst carrying out its first function it is also keeping the air from inside the warm roof layers inside the warm roof. Don t get caught out by ignoring the vapour control layer. Vapour control layers should be provided in accordance with the design and where required should be.

Placed on the warm side of insulation used in roof constructions where the ceiling board is fixed to the rafters. A vapour control layer or vcl on a warm flat roof sits between the roof decking and 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. 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.

When the sun shines the air inside the capsule.