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Cavity Wall Insulation is used to reduce heat loss through a cavity wall by filling the air space with a porous material. This immobilises the air within the cavity (air is still the actual insulator), preventing convection, and can substantially reduce space heating costs.
During construction of new buildings, wall cavities are often filled with glass fibre wool or rock wool panels placed between the two sides of the wall, but many other building insulation materials offer various advantages and many others are also widely used. A cavity wall consists of two rows of brick or concrete block with a cavity or space between them. Injection of insulating product from the outside is the best method for insulating this type of wall.
For existing buildings that were not built with insulated cavities, we use the Korefill Silver Bonded Bead Insulation to fill the wall cavity.
In Ireland, Wall Insulation Grants from the Government through the SEI are widely available to help with the cost of Cavity Fill Insulation(up to €400).
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