
What to Consider Before Installing Internal Wall Insulation (IWI)
Learn more about the essential checks to carry out before installing internal wall insulation.

Kooltherm K17 is a premium performance insulated plasterboard for mechanically fixed and adhesively bonded insulated drylining. It allows for thin wall constructions with an insulation component that delivers a thermal conductivity of as low as 0.021 W/mK. The boards provide insulation, drylining and vapour control in one solution.
Product Highlights
One of the thinnest commonly used Internal Wall Insulation (IWI) - ideal for retaining internal space within buildings
Ideal for buildings that can’t be insulated on the outside
Insulation, drylining and vapour control in one board
Part of our Kooltherm range of premium performance insulation