Damp Proof Membrane

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Damp proofing membranes

Damp proofing membranes (DPM) are sheets of watertight material used to inhibit water penetration onto the internal walls of your home.
They can be used to solve water ingress through capillary action, penetrating damp problems in rooms both above and below ground, or to protect the wall from residual salt and damp moisture or mould. Continue reading for more help and advice about our polythene damp proof membrane solutions or contact your local damp proofing specialists by completing our contact form.

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fixing damp proof membrane to wall

What are damp proof membranes used for

Damp proof membranes can be used to solve the following problems:

  • Penetrating damp
  • Damp walls
  • Salt damaged walls
  • Provide a water-resistant key for replastering

What is damp proof membrane

Damp proofing membrane is typically a studded waterproof sheet made from polyethylene or polypropylene. British Standards, dictate that the sheet should be at least 1200 gauge or 0.3mm.

These materials are very strong and extremely flexible. This means they can even cope with structural movement, making them a long-lasting and reliable damp proofing solution.

Additionally, we can provide damp proofing membranes that have a mesh on one side for direct application of render and plaster or plasterboard. This versatility makes damp proof membrane an excellent option for homes and many commercial properties where maintaining an aesthetically pleasing finish is desirable.

How damp proofing membrane works

Whether laid into the mortar bed on the ground floor of buildings or used behind walls, the membrane sheeting creates a barrier to stop water ingress and dampness into your home.

If installed during the construction phase of the building, damp membranes can be inserted between the brickwork at ground level to create a damp proof course (DPC) that will seal off the lower level of the property from moisture and water in the surrounding earth. This stops water from entering the building through capillary action and solves rising damp problems.

When used to stop damp problems in existing builds, then the DPM can be inserted behind your walls to deal with penetrating damp problems or waterproof a basement or cellar. The studded sheets create an air gap that will either channel water to a drainage system or allow it to evaporate without creating damp stains or problems in your home.

How to install damp proof membranes

Peter Cox has years of experience fitting damp proof membranes as both a preventative and treatment solution for damp problems. If our team attend your property to solve an existing damp problem and you require DPM installation then typically we will:

  • Measure and cut the membrane sheets to size
  • Fix the damp proof membrane to the affected surface
  • Ensure no cracks or tears
  • Replaster to make the membrane installation invisible

Contact our damp proofing membrane team

If you think your property could benefit from damp proof membrane or you just want to talk to a waterproofing professional about a damp problem in your property then call our team and we will be pleased to help.

You can also get in touch with the damp experts at Peter Cox online using our online contact form below.

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Next Steps

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