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F.A.Q

Your external walls may be composed of an outer and an inner bricklayer with a cavity or space in between them. Cavity wall insulation is simply adding insulation to this space. Insulation can be in the form of cellulose, cavity batts, EPS beads and so on. You can know more about cavity wall insulation in our blog

The insulating material that is added to the cavities acts as a physical barrier that prevents heat transfer from the inner surface to the outer layer. In summer, it restricts the entry of heat from the outside. For more information, please refer to our blog.

Cavity wall insulation was introduced in 1920. Please refer to our blog for more information.

Cavity wall insulation can help you save up to £305/year in energy bills. It reduces 20-25% of heat loss through walls.

The cost of insulating cavity walls depends on your building type and the type of insulating material you choose. While cavity batt insulation may be cheaper, foam insulation is costly to insulate cavities. 

Cavity wall insulation is quite commonly associated with damp problems, condensation issues and others. Please refer to our blog, wherein we have discussed the problems relating to cavity wall insulation in detail.

You can buy cavity wall insulation online, right here at Buy Insulation Online, and have the cavity batts or boards delivered to your workplace or home

Cavity walls can be insulated using cavity slabs like Dritherm 37, Dritherem 32, Superglass Superwall 36 or Celotex cavity boards or PIR. Spray foam insulation or EPS boards are also used to insulate cavity walls

Yes. When done right, cavity wall insulation saves nearly 25% of energy in your home. Contact professional, certified installers for installation, do a pre-survey to address any pre-existing problems and choose the insulating material that is right for your cavity walls. Following these steps will help you get maximum out of insulating cavity walls

It depends on the types of cavity walls you have. We recommend cavity batt insulation like Dritherm 37 or Dritherm 32

Cavity wall insulation does not cause damp problems. Damp is usually from any pre-existing condition in the cavity. it is pre-installation checks are a must

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