Internal Wall Insulation

Internal wall insulation works by fitting rigid insulation boards to the inside of walls, or by installing a stud wall filled up with insulation material. This type of insulation will typically slightly reduce the floor area of any room it is applied in.

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Internal Wall Insulation

Internal wall insulation is the application of insulation to the inside of external walls. This type of wall insulation can improve the overall thermal performance of your property, as it can help to retain heat in the winter and keep the property cool in the summer. There are various methods to install internal wall insulation. The most common method involves stud wall insulation; however, internal solid wall insulation is also a popular option. The type of internal insulation you need will depend on the property you have and the aesthetic you hope to achieve.

Our experienced and friendly internal wall insulation installers will come to your property and assess your space, before advising you on the most effective internal wall insulation options for you. Here at Heat Insulation, we have years of experience installing internal wall insulation and have answered thousands of queries. We have pulled together our most frequently asked questions, to provide you with a helpful guide on the cost of internal wall insulation, the internal wall insulation installation process, and the savings you can make from investing in adequate wall insulation.

How do I know if I have solid walls?

If your home was built before the 1920’s the external walls are probably solid and do not have a cavity. One way to tell is to measure the width of the wall by looking at an external wall window or door. If the Brick wall is less than 260 mm then it is likely a solid wall.

Another way to tell is by looking at the pattern of the bricks. If you see a full brick followed by a half brick continuously (like the image on the right) then it is likely a solid wall. If it all full bricks this is likely a cavity wall.

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Can I benefit from Internal Wall Insulation?

Internal Wall Insulation is preferable when there is a need to uphold the external appearance of your property. You can benefit from internal wall insulation if your walls are solid and not cavity walling. If your property is made of brick and your bricks alternate in length between long and short, the walls will likely be solid.

Will it cost me?

Internal insulation will typically cost between £4,000 to £16,000 but is wholly dependent on how many rooms are being insulated, and the types of material used to insulate. This type of insulation is traditionally cheaper than external wall insulation as it involves a much lower cost in both materials and labour.

Installation Process

Everything you need to know

Below is a list of commonly asked questions in relation to Internal Wall Insulation.

How long does it take to fit?

It should take a full day to install internal insulation in an average sized room, but this will depend room to room.

How much will it cost?

The cost will vary depending on what exactly you need and your property. Internal Insulation does tend to be cheaper than external insulation, however. You can book a survey and our qualified installers will give you a quote.

How does it affect the room?

All wall fittings will temporarily need to be removed until they can be re-attached to the insulated wall. You can lose around 100 millimetres of room space per wall depending on the type of insulation that you have installed.

How much of a difference will I notice?

You should notice almost straight away upon completion that your insulated rooms feel much warmer and are much easier to keep warm. Your rooms will heat up quicker and you’ll also notice improved sound insulation.

Are there any cons to Internal Wall Insulation?

It may be a little more difficult to hang items from the wall, and you may require special fixings. We will advise this if required.

Is it true that Internal Wall Insulation can cause damp?

If installed correctly, there is no reason for this insulation to cause damp.

What if the room has damp already?

Any signs of damp must be treated before internal wall insulation can be installed.

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Crowle Street, Hull, HU9 1RH

01482 588591

Insulation@heat-insulation.co.uk