Solid Wall Insulation

Reducing Heat Loss with Solid Wall Insulation

Did you know that around 45% of the heat lost in an un-insulated solid walled home is through the walls? Insulating your solid walls can reduce heat loss and can save you around £400 a year on your fuel bills.

Solid wall insulation – what’s it all about?

If your home was built before or around 1920, its external walls are likely to be solid rather than ‘cavity walls’. Cavity walls are made of two layers with a small gap or ‘cavity’ between them. This cavity acts as a barrier to reduce heat flow through the wall.

Click here to find out more about cavity wall insulation

Solid walls have no such gap and this allows more heat to pass through them than through cavity walls. In fact, twice as much heat can be lost through an un-insulated solid wall as through an un-insulated cavity wall. But the good news is that, like cavity walls, solid walls can be insulated – from the inside or the outside

solid wall insulation
solid wall thermal insulation

What could you save?
Solid walls on your home can be insulated in two different ways: with internal insulation (from the inside) or external insulation (from the outside). Both options can make your home warmer and greatly reduce your heating bills at the same time. In fact, by insulating your solid walls you could cut your heating costs by up to 40%. So insulating your walls is a great way to help fight climate change, reduce heat loss and save lots of money.

Cavity walled properties can also benefit from the same kind of solid wall insulation, especially if the cavities are not suitable for filling – always check the best option with your installer. .


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