How to fix Damp walls

Damp Proofing | How to Deal with Damp | How to Cure Damp | How to Cure Damp Walls | How to fix damp walls | How to do Damp Proofing | How to Fix Damp | How to waterproof a basement | How can I tell the difference between condensation and rising damp | Rising Dampness within Buildings

Fixing damp on wallsThe fixing of damp walls can vary depending on the age and construction of the property.

Damp proof courses were not a legal requirement until 1875, consequently there are many properties suffering from rising damp, prior to this most properties where built without one. In the early years of damp proofing slate, engineering brick or bitumen was used as a damp proof course.

The most commonly used damp proof course in recent times was bitumen felt up until the 1980’s, plastic strip damp course has been used since the 1970’s and are now the most common form in newly built properties. With the natural movement of a building over time, courses like slate may crack and allow moisture to rise up through the brick work.

Chemical Damp Proofing

On these older properties we create a new chemical damp proof course using a siliconate formula. To ensure an effective treatment firstly the wall plaster must be removed as whilst the moisture has risen through the brickwork, this carries with it hygroscopic salts. These salts drawn moisture from the atmosphere and can hinder effective treatment.   In order to impregnate the wall the mortar bed is drilled into and the chemical is pressure injected into the wall. Where the external ground level is higher than the internal ground level, we also tank the walls to prevent dampness pushing through the walls.

Cellar Tanking

Tanking is a waterproof slurry applied to the wall which creates a waterproof barrier against moisture. In older properties such as those constructed of stone it is a very similar procedure but stone walls will benefit from a dpc cream to create a new damp proof course instead of a liquid.  Once the walls have been treated the areas are then replastered using plaster which contains waterproof additives and salt inhibitors to provide a fully comprehensive treatment.




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We are a Chartered Building Company, ISO9001 Quality Assurance Registered Firm, Full members of the BWPDA (British Wood Preserving & Damp Proofing Association), PCA (Property Care Association), Safe Contractor, CHAS and the Guarantee Protection Trust.

We offer comprehensive range of services to home owners and property professionals or can work with your builder to undertake the specialist damp proofing as part of your overall refurbishment. Click here to contact us.rss feed



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