External insulation involves adding a new layer of heat trapping material outside of your home. In cases where your home has no wall cavity insulation must be applied either internally or externally. Having some level of insulation on the walls of the building is essential to stopping heat from leaking out and increasing your bills.
Putting it on the outside of the building has the advantage that it doesn’t alter the living space afterwards. There is also no disruption to your life or need to move out while work is underway.
There are a number of practical advantages to choosing external insulation. Because there is no issue with lost floor space you can apply as thick a layer as needed to give your home the appropriate level of comfort.
Beyond that it reduces the risk of damp by wrapping the entire building, can slow the spread of smoke or fire, and can be finished with any exterior you desire to keep your home looking good.
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