A cavity wall is an outer wall of a home or office building that has two “skins.” These “skins” are actually walls in and of themselves, but they work in tandem to create the outer and inner faades of the dwelling or business building. Usually a cavity wall will consist of a brick wall made up of smaller bricks that is constructed a few inches away from a brick wall made up of larger bricks.
Cavity walls became a regular practice among builders because cavity walls provide home owners with extra protection against various environmental elements, the most important element being moisture. The cavity that sits between the skins of the wall gives the moisture an outlet to seep back into the ground instead of into the inner areas of the home causing mould and other damages.
Builders and contractors have discovered that home owners whose homes are constructed with cavity walls are provided with insulation from the colder weather as well as insulation from moisture. When insulation materials are installed in the cavity of a cavity wall can save the home owner quite a bit of money on cooling and heating expenses. Insulation installation also cuts down on the level of carbon dioxide emissions from the house.
Structurally speaking, cavity walls have “built in” insulation: the cavity that sits between the skins. For homeowners who are worried about their carbon footprints and heating and cooling costs, however, the installation of insulation can save quite a bit of money and reduce the impact their home has on the environment.
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