Rising damp can sometimes be rather difficult to spot. Many people mistake condensation for rising dampness. Condensation usually presents itself as black or green mould, has a musty smell and often looks like this:
Rising damp treatments have no effect on condensation, and the best way to remedy this problem is to improve ventilation. A common cause of condensation on internal walls is the practice of drying washing indoors or on radiators, and keeping windows closed.
Rising damp generally has no mould or obvious external presence on walls other than the effect of blown plaster. An example of blown plaster is below:
As the name suggests, rising damp can usually be seen spreading from the bottom of walls and usually will not reach the top of the wall. Dampness or wetness coming down from the tops of walls is more likely to be penetration dampness, and the cause for this should be investigated straight away. This is because penetration dampness may be caused by a leaking roof or leaking plumbing runs and often looks like this:
If you are in any doubt, please do contact our office to speak to one of our surveyors. Or you may like to email us a photograph of the areas of concern and our surveyors can provide some free advice about what type of problem may be occurring and how best to deal with it.