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Almost all homes since the 1930s will have cavity walls, however, if the cavity walls are empty then it is necessary to consider cavity wall insulation to keep your home warm during the colder months. The cost of cavity wall insulation might be reduced to a minimum since the cavity wall insulation could potentially be covered under the government’s Green Homes Grants (subject to eligibility) you could potentially save a substantial amount of money.
What is Cavity Wall Insulation?
Cavity wall insulation is primarily used as the most cost-effective way to reduce heat loss through a cavity wall. So, to insulate the cavity wall the air space in the wall is getting filled with insulating material that stops heat transfer resulting in reducing heating costs. One of the most popular insulation options is the mineral wool insulation that is being blown into the space between walls. On the other hand, the slab insulation design is also widely used for insulating cavity walls. Once the cavity insulation is installed it guarantees to last up to 25 years.
Benefits of the Cavity Wall Insulation
Cavity wall insulation board is perceived as a necessary solution not just because of its insulation characteristics but also for its cost-saving benefits with it – since the cavity wall insulation can pay for itself in as little as five years.
Types of Wall Insulation
One of the most popular types of internal wall insulation is cavity wall insulations is foam insulation which is typically made of polyurethane. Foam offers the best thermal cavity wall insulation when installed correctly so there is a need to hire an expert to ensure correct installation.
Mineral Wool Insulation
Mineral wool insulation is another popular cavity wall insulation, the primary reason for its popularity is its easy installation. The mineral wool can be pre-cut to suit joist widths and can easily slide between joists.
External Wall Insulation
External wall insulation is a suitable solution for thermal insulation of solid walls that were built using a single layer of bricks. In the UK most of the houses built before 1920 have solid walls. Insulating a house from the outside will cost more in comparison to insulating a cavity wall but the saving on energy bills will be greater too since the exterior wall insulation will prevent heat from escaping.