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Preventing And Dealing With Damp

Preventing and Dealing With Damp

Damp Problems

If your house is suffering from a damp problem, It doesn’t matter if you are a homeowner or a landlord. Damp at it’s worst can mean structural or weatherproofing issues as well as health problems.

Walls can become damp for a multitude of different reasons. Damp problems in walls are often only noticed once internal damp symptoms become apparent. It is advised to note that the source of the damp problems could be caused not only externally but also internally too.


  • Damp Patches
  • Black Mould Growth
  • Loose Plaster, Paint and Wallpaper
  • Salt Stains on Wall
  • Damp and Musty Smell
  • Rotting Skirting and Flooring Boards

Mould can grow on almost any surface and occur where there is a lot of moisture from structural problems such as leaky roofs or high humidity levels.

Rising Damp

When water transfers into the building fabric from the ground and is more common in older homes built before 1875. Or if built after this time in it could be possible faults with your Damp Proof Course.

  • The moisture content in the building fabric itself.
  • Raised ground water levels.
  • Raised ground levels around a building.
  • Leaks to pipework or guttering.
  • Flooding.
  • The presence of salts in the building fabric.
  • Crystallisation of salts on surfaces resulting in reduced evaporation.
  • Cool internal temperatures or internal humidity reducing the rate of evaporation.

It has no quick fix but you should consider whether the problem could be caused by condensation, leaking pipes, faulty plumbing, damaged guttering, blocked air bricks, or poor surface drainage.

It is best advised to get a professional in to diagnose the cause and find a solution to your problem. If you are in the area of Wimbledon, Morden, Sutton, Croydon, London and Surrey then give us a call on: 0208 6407 907

Penetrating Damp

Can penetrate right through the wall and is visible as a damp patch on the internal wall . Often causing discolouration and peeling or flaking of paintwork, wallpaper and plaster. Penetration damp can be very damaging to a property, even if it does not penetrate all the way through a wall. For example, moss growth, increased heat loss, and frost damage can be caused by rain penetration into masonry.

A few solutions to combat penetrating damp is to improve the weathertightness of the masonry by using external render, cladding, or weatherproof paints.

If you require any of this work carried out, our Emergency Building service will be happy to help. Give Ry a call on: 0208 6407 907


The most common kind of damp is condensation. It’s caused by moist warm air condensing on cool walls, especially in rooms that naturally generate quite a lot of air moisture, such as kitchens and bathrooms. It’s usually a winter problem, but can happen anytime of the year. As the walls in winter tend to be colder than the air inside. 

  • Water droplets on walls, windows and in corners of rooms.
  • Condensation can also lead to black mould growing on walls, ceilings, furniture, curtains and also clothes.
  • Condensation can also cause damp patches on walls and ceilings.
  • There is also usually a musty smell when damp is around.

Preventions of Condensation

Wipe down windows

Wiping down your windows when you notice droplets and wetness on and around your windows.


Making sure in the area where condensation builds up, you keep the area well ventilated. This can be as simple as leaving your windows open or maybe a more permanent solution would be to install air bricks or an air vent.

Maintain a constant temperature

Making sure you keep a constant temperature in your home will help combat condensation as fluctuating temperatures can accelerate the problem.

Check out your insulation

Making sure your home is properly insulated goes a long way in preventing condensation, as cold spots in walls and your loft can cause the likely hood of condensation


Using a dehumidifier can help remove extra moisture from the air in your house. Also using moisture absorbers in your cupboards can help in removing moisture in room.

If you need professional help call a Ry on: 0208 6407 907

OR Book an engineer today: HERE

Other services

Ry provide a variety of different services from Emergency Plumbers, Electrician, Builders, Gas Engineers and Drainage services. Located in New Malden, we service in the areas of Wimbledon, Morden, Kingston, Sutton, Croydon as well as the rest of London and the surrounding Surrey area.

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