Cavity wall insulation Howth is used to reduce heat loss through a cavity wall by filling the air space with material that inhibits heat transfer. Cavity Wall Insulation Howth can save you up to 30% on your bills. External wall insulation Howth is installed by adding a weatherproof insulating layer to the outside of your wall.
Cavity wall insulation Howth is one of the best and most affordable ways to improve your home's energy efficiency. Cavity walls are made of two layers with a gap or ‘cavity’ between them. Insulating the cavity space between the outside and inside wall adds a barrier to stop the cold from coming in and heat from escaping.