Damage caused by damp Wirral


Expert Penetrating Damp Treatments Wirral

Penetrating damp is an all too common issue with the potential to seriously damage both the exterior and interior materials of a property. It is generally classified as water that finds its way from the outside in and it can occur at all levels of the building. This is unlike rising damp which occurs only at ground level.

Why does penetrating damp occur?

Penetrating damp can occur for a number of reasons as follows:

  • Faulty rainwater goods ie blocked gutters, faulty downpipes
  • Roof defects such as missing roof tiles
  • Damaged pointing, cladding, flashing or render
  • Walls exposed to wind driven rain
  • Long periods of rain and heavy winds
  • Flood water saturating masonry
  • Ongoing and undetected leaks from pipes

What are the signs of penetrating damp?

As water continues to penetrate the property, then the moisture will begin to soak through the bricks and mortar and into internal plaster and timbers. This can lead to discolouration and damage of plaster as well as increasing the risk of rot and woodworm attack to timbers which thrive in damp conditions.

  • Growing circles of random damp patches on walls or ceilings
  • Wet and crumbly plaster
  • Drips and puddles
  • Green mildew, moss on outside walls
  • Signs of spores or mildew
  • Unpleasant damp smell
  • Blackened and rotten timbers.


There are a range of solutions involved in the treatment of rising damp Wirral which have to work in combination with each other and be carried out correctly using the correct specifications and materials to ensure treatment is successful. Abbey Damp Proofing Wirral will conduct a diagnostic survey before recommending the best course of action. Our surveyors have the experience to ensure the best solution is recommended and applied.

Solutions can be considered in terms of above and below ground solutions as follows:

Above ground

A chemical injected damp proof course will involve drilling into each brick at carefully calculated intervals then injecting under pressure the silicon 8 fluid or gel. This forces the chemical into the brick which creates resistance to moisture. The height of where you inject is determined by the site conditions such as external ground levels and internal subfloor levels.

The treatment usually takes place from the inside as external renders and plinths can make it difficult to do from the exterior of a property. As part of a damp proofing system, contaminated plaster will be hacked off and replaced using a specialist replastering specification (adhering to BS6576/1985 guidelines).

Other solutions may also be specified to work in combination. This may include an application of the Stormdry water repellent masonry protection cream to give additional protection in particular situations such as when bricks are highly porous, if a wall is heavily exposed to wind drive rain or if ground levels means rain water splashes up and over the damp proof course.


Below ground

If the wall is a party wall and/or there is a possibility of lateral penetrating damp such as where there is an internal suspended timber floor or solid floor combined with high ground bridging the damp proof course, it is recommended to apply a waterproof cementitious membrane. This will be required below the injected damp proof course to protect the skirting and sub floor timbers. A cementitious membrane uses a cement based chemical slurry which when plastered onto the wall reacts and penetrates the prepared surface to prevent water moving through earth retaining walls.

This method can work in conjunction with a chemical DPC system and also as a solution for basement waterproofing either in combination with a cavity drainage waterproofing system or as a standalone solution.



Book a Damp Survey

From your initial enquiry for damp proofing Wirral, you will be working with an experienced member of our team who will offer advice and co-ordinate your survey appointment. This is carried out by one of our qualified surveyors who will assess and diagnose all issues in the property before providing the right solution. Any recommendations and quotations for work are detailed in an Inspection Report. We are able to price of plan or complete tenders as necessary.



    Our happy customers

    “I would like to recommend you on the quality of building work completed and for the fast and efficient time taken. The property was left in wonderful condition.”


    – Collin Walker, Director. Walker Dunn Ltd Surveyors and Valuers

    Guaranteed Work

    The products we use to treat Rising Damp Wirral are the highest quality and BBA Approved. We only use products from the major manufactures including Triton, Delta and Safeguard and our technicians are trained in their correct application. Our work is protected by our guarantee with third party protection available.

    Contact us for help and advice

    The team here at Abbey Damp Proofing Wirral can provide you with the support and guidance that you need to deal with any rising damp issues your property or your clients property may be experiencing. We work alongside homeowners as well as commercial clients to provide specialist solutions required to ensure properties are properly protected.