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August 5, 2020

Source of Rising Damp

by Geoff Flavell in Damp Proofing Blogs

Source of Rising Damp

Our specialist damp proofing surveyors are called out to many damp related problems including Lateral penetration, Rain penetration, Breached damp proof courses to name a few.

Rising damp enquires always come top of the list as clients will say we’ve been told by contractors we have rising damp, and to be honest when we survey the damp problem it’s not rising damp and is related to other damp sources.

Rising damp can only happen if the building has no damp proof course (DPC) or in some cases where it has been damaged due to renovation work.

Rising damp is a seasonal problem and works with the water table this will cause saturation to the ground soil around the foundations of the building allowing water to rise upwards (capillary action) and work its way into the pores of the brick. The pores in the brick will determine how high the damp will rise this will usually be a maximum of 2 metres above internal floor level and leaving a tide mark on decorated surfaces,

Unfortunately soluble salts from the soil will rise with the damp and will usually be seen at the apex of the tide mark. Contact Preservit Ltd our surveyors specialise in rising damp and all other damp sources that can enter your home unexpectedly.

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