Damp Proof Membranes - A Recommended Solution To Damp Walls - By: David Sutcliffe

Hundreds Of Damp Proofing Products Available

There are a huge amount of damp proofing products available, and sometimes it can be very confusing to ascertain which is the best solution for damp problems. As a damp specialist I am often asked about which technique I recommend. In most cases, damp proof membranes are a good solution as they can be installed on almost any wall surface are are relatively quick and easy to install. They can be applied to a damp wall quickly, and have natural ventilation meaning that the damp wall can dry out. In addition, many damp proof membranes on the market are meshed, which means that plaster can be applied directly to them, making installation very fast.

How Do Damp Proof Membranes Work?

Damp proof membranes are applied to the damp wall and then plastered, forming a new wall surface. The space between the membrane and the old wall allows dampness to dry out. The damp proof membrane has the added advantage of acting as an impermeable barrier between the old damp wall surface and the new plastered surface. Damp proof membranes also have the additional advantage of acting as an impermeable barrier to salt and other contaminents. Damp proof membranes are constructed in a stud formation and work by allowing any moisture and moisture vapour to evaporate as the studs create an air gap between the membrane and the damp wall.

Can Damp Proof Membranes Be Installed By A Builder?

A skilled DIY or builder could install the damp proof membranes to the walls, and all products would come with detailed fising instructions. However, if in doubt about which damp proof membrane to use, I would always recommend a visit from a trained damp specialist about your specific project as they can advise on the best solution. The additional advantage of using a professional damp proofing company is that they can offer you a guarantee for their work.

Is A Damp Proof Course Necessary With Damp Proof Membranes?

Installation of a damp proof course is not necessary when using damp proof membranes. Failure of damp proof courses is, in fact, a leading cause of damp problems in properties. Many older properties were built with no damp proof course installed. The installation of a damp proof membrane negates the need for a damp proof course or damp injection, are less likely to result in problems like other diy damp attempts (black jack, waterproofing paint). Damp proof membranes are ideal for treating condensation damp, penetrating damp and rising damp problems on walls.

Can Damp Proof Membranes Be Used In Damp Basements?

Below ground use of damp proof membranes - for example in a damp basement or damp cellar - requires specialist advice as you might not just be dealing with dampness but running water penetrating the external walls. Tanking membranes require careful installation and really should be installed by a professional.

For below ground damp problems, a full waterproofing membrane system would be recommended consisting of waterproof membranes, pumping and drainage provision, and I would recommend consulting an expert basement waterproofing company.

For dealing with damp walls above ground, I would always recommend damp proof membrane products as a solution for rising damp, flood damage, penetrating damp and other damp problems

About the Author

David Sutcliffe is an independent consultant specialising in the diagnosis of damp and damp treatments in all buildings across the construction spectrum from historic and listed buildings to new build, commercial and domestic structures. David has over 30 years of hands on experience in damp proof membrane solutions

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