Cavity Wall Insulation Extraction

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Cavity Wall Insulation Extraction

Cavity wall insulation extraction is the process of removing insulation material that has been previously installed in the cavity between the inner and outer walls of a building. This process is usually necessary when the insulation has been installed incorrectly or has become damp, which can lead to a number of problems such as mold growth, dampness, and reduced insulation effectiveness.


What is extraction process?

The extraction process involves removing some brickwork in selected areas of the property and drilling small holes into the outer wall of the building and using specialist equipment to remove the insulation material from the cavity. The extracted material is then disposed of in an environmentally responsible manner.

We only work on properties with the following insulation installed

      Mineral wool insulation: This is one of the most commonly used types of cavity wall insulation in the UK. It is made from glass or rock wool and is effective at reducing heat loss.

Polystyrene bead insulation: This type of insulation is made from small beads of polystyrene that are blown into the cavity. It is lightweight and can be effective at reducing heat loss.

Why it’s important to use professionals

It is important to note that cavity wall insulation extraction should only be carried out by a professional insulation removal company, as it can be a complex and potentially dangerous process. Additionally, it is important to ensure that the insulation material is removed correctly and that any damage caused during the extraction process is repaired to prevent further problems.

Frequently Asked Questions

A. Cavity wall insulation extraction may be necessary if the existing insulation is causing problems such as dampness, mold growth, or reduced insulation effectiveness. It may also be required if the insulation was installed incorrectly or with faulty materials.

A. The extraction process typically involves drilling small holes in the external wall of the building and using specialist equipment to remove the insulation material from the cavity. The extracted material is then disposed of in an environmentally responsible manner.

A. The extraction process can be messy, as small amounts of insulation material may escape through the holes drilled in the external wall. However, a professional insulation removal company will take steps to minimize the mess and clean up any debris after the job is complete.

A. The duration of the extraction process will depend on the size of the building and the amount of insulation material that needs to be removed. In general, a typical house can be completed in one to two days.

A. There may be financial assistance available for cavity wall insulation extraction through government schemes or utility companies. However, eligibility criteria and available funding can vary depending on location and other factors.

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