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

Thermawall TW56 is an insulated plasterboard for mechanically fixed drylining. Available in a range of thicknesses, it has a thermal conductivity of 0.022 W/mK and is easy to cut, handle and install compared to some other commonly used insulants.
Product Highlights
Insulated plasterboard for mechanically fixed drylining
Insulation, dry-lining and vapour control in one board
Allows quick response heating
Resistant to the passage of water vapour
Ideal for new build and refurbishment