Cavity wall insulation

Cavity wall insulation

What is cavity wall insulation? In older homes there is space between the inner wall and outer wall. That space in between is called the 'cavity' or 'cavity wall'. A lot of heat is lost through this space. Leave it fill the cavity with insulation? Then people talk about it cavity wall insulation.

In new-build homes, the cavity is immediately filled, so cavity wall insulation is mainly used in older homes. It is a relatively easy & cheap intervention that you can quickly recoup due to available premiums for insulating cavity walls.

Advantages of insulating cavity walls?

• Much better living comfort in your home. Your home stays warmer in the winter and cooler in the summer.
• Fast payback time & not so expensive procedure.
• Grants available.
• Relatively easy procedure.
• Fast installation.
• Result immediately noticeable.

Suitable insulation for cavity wall insulation

• EPS beads 
  EPS beads are small isomospheres that are blown into the cavity wall through holes in the joints. EPS beads are the most moisture resistant.
• Knauf Supafil
  Glass wool specially developed for insulating cavity walls. Cheapest material, but scores best in terms of sound insulation and fire safety.
• Pur spray insulation
  PUR spray insulation is durable, moisture-resistant and shrink-free. It is also most recommended in case of a dirty or narrow cavity wall. It is the most expensive insulation material, but it is the best insulating material.

Do you already have cavity wall insulation, but are you experiencing energy loss or moisture problems?

The insulation materials available today are much better than what people used to have. If you have outdated insulation material, you may suffer from collapsed insulation, energy loss and moisture problems.

Solution? 

1. Replenish insulation material.
2. Remove old cavity wall insulation and replace with new insulation.

I have a cavity, but the contractor says that it is not suitable for insulating?

This is indeed possible if, for example, your cavity is not thick enough, is too dirty or if your facade is not in good condition. Then there are two alternatives:

1. wall insulation (insulate walls on the inside).
2. Facade insulation (insulate walls on the outside - this also means that you have to install new cladding).

Find the best contractor in your area for cavity insulation here.

The search for the most suitable contractor can be a difficult process that will take up quite a bit of your time. You don't want to rush into it and choose someone thoughtlessly. You want to find a good contractor who has a good price/quality offers, but also someone you click with, someone who understands you and can think along with you.

In order to find the right candidate, you will have to invest time in contacting several companies and obtaining the necessary information, prices and quotes.

We help you via our website so that this process becomes a lot faster, easier and more pleasant for you. Use our quotation service for free and without obligation and we will put you in touch with the best companies in your own region!

Receive the best price for cavity wall insulation without obligation.

FAQshoulhide

How much does cavity insulation cost?

The price varies from home to home. The larger the house, the more expensive the cavity insulation will cost. The type of insulation material also plays a role.

Some target prices: the total price is on average between €20/m2 and €35/m2. The average cost for a terraced house is between +- €1000 and €3000. An apartment is therefore usually cheaper (approximately €400 to €900). For (semi) detached buildings, the price can vary between approximately €1500 and €4500.

It is therefore important to compare quotes from contractors, not only on price but also on materials. Don't hesitate and Request quotes without obligation via our free quotation service.

Are subsidies available?

In certain cases you can benefit from the 6% VAT scheme and any other premiums for insulation work. Check this via premiumzoeker.be.

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