A cavity wall consists of two rows of brick or concrete block with a cavity or space between them. Injecting expanded polystyrene bead or wool from the outside is the best method for insulating this type of wall. Cavity wall insulation is an effective an cost efficient way of insulating your home. From an environmental perspective, cavity wall insulation prevents the release of around 800kg of carbon dioxide into the atmosphere every year, making your home cleaner and greener read more...

If your home is of a solid wall or hollow block construction, cavity fill insulation is not an option. Internal drylining or external insulation are the available options. Internal insulation involves fixing an insulation board to the inner surface of the external wall & covering it with a vapour barrier & a layer of plasterboard. Internal insulation can often be a more affordable option to external insulation read more...

External insulation involves fixing insulating materials to the outer surface of the wall. The insulation is then rendered over to provide weather resistance. This render is embedded with a mesh to provide additional strength. Problems such as poor insulation, poor air-tightness, rain penetration can be solved by applying an external insulation system read more...