Vapour control layers are normally considered essential under insulation in warm roof constructions to reduce the risk of condensation.

IKO’s vapour control layers are highly durable against water vapour and exhibit excellent mechanical properties. Many also contain IKO’s revolutionary fire retardant technology for ultimate protection in service. Find out more by clicking on an image below:

Polyethylene Vapour Control Layers

Spectravap Vapour Control Layer


Bituminous Underlays / Vapour Control Layers


Systems Vapour Control LayersSystems UnderlaysChallenger Polyester SandIKO Glass Universal Underlay