If you notice advanced Damp on internal walls in your home, you should seek professional help as soon as possible. It may be due to hygroscopic salts deposited by the water. To avoid contaminating the new plaster, it is best to remove all existing plaster work. Then, it is essential to check for any cracks or crevices. If you see any of these problems, you should contact a professional damp proofing company.

Causes and Remedies

damp on internal walls

One of the most common causes of damp on internal walls is condensation. This occurs when warm moist air touches a cold surface. The condensation turns into water and sits on the internal wall, where it forms a patch of damp. This problem is most common in rooms with a high level of air moisture. Poor ventilation and heating that comes on and off throughout the day can exacerbate the problem. Taking action early will ensure that you do not experience future damp problems.

Another common cause of damp on internal walls is condensation. This occurs when moist, warm air contacts a cold surface and the water within it condenses. When it sits on an interior wall, it can cause patches of dampness. Fortunately, this problem is usually easy to remedy. In many cases, condensation is caused by a number of different sources. Using an indoor dehumidifier is one of the easiest ways to combat this problem.

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