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The extraction process. Very clean and simple. Air line and extraxtor very simple and effective.

Cavity Wall Insulation Removal

It is estimated that around 6 million properties throughout the UK have had cavity wall insulation installed. And of course the energy efficiency and cost saving make it very popular. ( if installed correctly using correct materials for the individual property )

The UK has very strong and unpredictable weather.

Which can attack brick work which leads to potential gaps opening up in bricks or pointing and water getting into the cavity . The whole point of insulation is to insulate. It can stop air flow. The problem with this is that once it becomes wet, it is virtually impossible to dry out.

Instead dampness and cold is drawn through cavity into the inside of the property. You can see this if there are cold spots on walls in your home or unexplained patches of damp.

Not only can this create uncomfortable living conditions, but the prolonged damp will also attack and rust wall ties, an integral structural part of the property which can eventually mean the inner and outer walls can actually separate and buckle and affect the properties structural integrity and in some cases encourage them to collapse.

Damp insulation cannot be ignored. If you suspect your home might be affected, we recommend calling us out as soon as possible.

Why you should remove cavity wall insulation ?

There is the potential that the property actually never needed insulation as buildings are designed to have cavities they assist with the airflow and are a major part of the building design. Incorrect insulation may have been installed. This can seriously affect the Damp proof course system to fail which is a layer of waterproof material in the wall of a building near the ground, to prevent rising damp.

Cavity walls can become blocked with all kinds of loose debris such as sand, soil, birds nests, bricks etc which can bridge the Damp Proof Course (DPC) leading to cold and damp penetration often referred to as rising damp.

One of our professionals can quickly and cleanly remove all obstructions, eliminating the problem and allowing the property to dry and breathe naturally.

Cavity wall insulation and Damp

It can be caused by poorly maintained Roofing rainwater systems ( Guttering ), exterior brickwork, severe exposure to wind and rain, lack of protection from other buildings and trees, Installation of incorrect insulation initially, Accidental damage or a combination of all contributing factors. It really is a simple fix in order to” make your house a home again”

Cavity wall insulation removal and extraction

All of our work naturally is guaranteed and is carried out by qualified professionals.

– The best qualified teams in the UK

–  Free initial telephone survey where we can also potentially use google maps along with streetview in order to ascertain access and building structure type and potential causes.

– Detailed survey which includes invasive inspections and evidenced with photographs which can include thermal imaging and moisture monitoring where required-Insurance approved Certificate provided on completion of all work.

-Insurance approved Certificate provided on completion of all work.

Why Steel or Timber Framed Properties Should Not Be Insulated with Cavity Wall Insulation

Steel and timber-framed houses should not be insulated with cavity wall insulation. However, few people seem to understand why.

Timber and, surprisingly to many, steel, both need air circulation to prevent rot or corrosion. Many of us will live in houses that have suspended timber floors, and will be aware of the air bricks strategically laid at damp proof course height. These air bricks allow air to circulate underneath the floor joists preventing rot developing and keeping the timbers healthy. The same practice is required inside the cavities of timber and steel-framed houses. Fully insulating the cavity with a retro blown cavity wall insulation product increases the risk of condensation forming and being trapped against the frame. With timber framing, this might lead to wood rot; with steel it will result in corrosion.

There are, thankfully, other ways to insulate a timber or steel framed property very effectively. External wall insulation, for instance, is extremely effective. Internal wall insulation is another option to consider.

If you live in a timber of steel framed property that has been insulated with cavity wall insulation, you will need to have it removed. Over time it may lead to serious structural damage. In addition to the lack of air circulation inside the property, it could also be damaging to your health.

Rubble and damp insulation is the worst combination.

Tell tale signs that there is an issue with your cavity wall insulation.

A mix of poly beads and old fibre insulation is a recipe for disaster

Absolutely soden wet insulation from incorrectly applied insulation.

Internal extraction from and a flood damaged property.

Sealed bags of loft and cavity insultion.

Finished project after extraction and new air bricks.

External extraction from flood damaged property.

New airbricks after extraction.

Exposed steel frame after extraction

Video evidence of cavity before during and after extraction.

Image required by structural engineers on behalf of mortgage lenders, we provide full reports and images on all steel supports.