Rising dampness in buildings occurs when water from the ground rises up through the bricks and mortar of a building by a process termed as "capilliarity" due to the absence or failure of DPC (Damp Proof Course) at plinth level. In simple terms, the water rises up the wall of a building in the same way that oil rises up through the wick of a lamp. Older buildings are affected by rising damp to some degree or another.
The moisture will continue to rise until it reaches a height where, unless no evaporation is possible, gravity takes over and pulls it down again.
The most common forms of rising damp treatment usually involves the injection of a siliconate type chemical either in the form of solution or cream. This is usually done by drilling holes in a band around the affected wall and injecting the recommended chemical or cream solution.
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