Signs of Rising Damp Back to Blog

Signs of Rising Damp

Signs of Rising Damp

Spot the obvious (and less obvious) signs of rising damp in your home.

Rising Damp occurs when a wall absorbs moisture from the ground. Recognizing rising damp may sound easy, but it’s often misdiagnosed. Here are ways to recognize and distinguish rising damp from things like penetrating damp.

The eye test

Are there tide marks on the wall? This is caused by evaporation and salts from the ground.

Are there damp patches and stains on the wall near the ground?

Is there any wallpaper peeling?

Are the skirting boards decaying?

The touch test

Cop a feel of the area that is damp. You might hear the sound of crunching salts. That’s not good.

Can you get in to look at the brick or stone? If there are salts forming, or the brickwork is wet, that’s also not a good sign.

These can all be signs of rising damp, and if you have a combination of them, the diagnosis is exactly that. In this situation, you should call a damp proofing expert to take a look.

But what if it isn’t rising damp? Remember, this type of damp can only occur on a ground floor, so if your walls are damp upstairs, it could be penetrating damp, caused by faults in the plumbing system or the constitution of the house itself. This requires a different type of damp proofing treatment, so it’s worth getting a professional opinion in either case.

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