If the outside walls are continually exposed to wet weather conditions, especially when driven by a strong wind, cavity wall insulation is not suitable. This is because exposed walls may never experience enough dry conditions for the walls to dry out and the moisture build up will eventually affect the insulation inside the cavity. We can extract defective cavity wall insulation by using specialist tools and equipment. The insulation is removed through the exterior walls therefore causing minimal disturbance to the fabric of the building and its occupants.
When a Damp Proof Course has failed, the evidence is usually visible when damp patches start to appear. This moisture will eventually cause the plaster to perish, leaving unsightly areas of damaged paint and wallpaper. In most cases the affected areas will require the removal of wall finishes and stripping of plaster. We then treat the areas by means of damp proofing injection techniques through holes drilled through the external and internal brickwork. The holes are then injected with damp proofing solutions compliant with the British Standard BS5750.
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