Whilst cavity wall insulation is widely installed in properties with cavity walls to improve insulation, the thermal efficiency of a property depends on the quality and quantity of the insulation used. Whilst cavity walls started to become common place in buildings constructed in the UK from the 1920s, some of the cavities between the external and internal walls of older buildings are not sufficiently wide to accommodate a thick enough layer of cavity wall insulation for the property to be adequately insulated.

Whether you have cavity wall insulation or not, applying Zenova IR thermal insulation render to internal and external walls provides excellent additional insulation to a property.