December 6, 2023

Cavity wall insulation is an effective way to reduce your energy bills by stopping heat from escaping through the walls of your home. In the winter this can help keep your property warmer and in the summer it can stop hot air from penetrating into your home, reducing the amount of electricity needed to cool the house down. There are many different materials that can be used to insulate your cavity walls, these include Icynene (water blown spray foam) open or closed cell, mineral wool blankets, fibreglass sheets or cellulose which is made from recycled materials. Some insulation is packed into the cavities whilst others are injected through holes drilled in the external brick walls – whichever material you choose it is important to use a trained installer who knows what they are doing as pumping in any sort of material into your cavity walls without proper training could cause more harm than good.

The main reason to consider installing cavity wall insulation is to save money on your energy bills, but it can also be beneficial in terms of noise reduction as well as limiting condensation and dampness. If you are considering having this installed in your property we would strongly recommend checking whether the installer is a member of the CIGA and has a 25 year guarantee, this can ensure that any problems caused by the installation will be resolved to your satisfaction.

Cavity wall construction was introduced in the 1920s and became standard in new build houses in the 1980s, but it is now a popular retrofit for older properties. Having your cavity walls insulated can not only improve the comfort and efficiency of your property but it can also make it safer to live in by preventing carbon monoxide poisoning.

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