Cavity wall insulation Darndale is used to reduce heat loss through a cavity wall by filling the air space with material that inhibits heat transfer. Cavity Wall Insulation Darndale can save you up to 30% on your bills. External wall insulation Darndale is installed by adding a weatherproof insulating layer to the outside of your wall.
Internal wall insulation Darndale is normally a cheaper alternative to external wall insulation and is ideal for properties where outside insulation is not suitable. Internal wall insulation can be done room by room and there are a variety of products to suit different properties.