Rising Damp de la Tour, Richard Beckinsale and Don Warrington. Rossiter played Rupert Rigsby (originally Rooksby in the stage play), the miserly, seedy, and ludicrously self-regarding landlord of a run-down Victorian townhouse who rents out his shabby bedsits to a variety of tenants. Beckinsale played Alan Moore, a long-haired, naive, good-natured and amiable medical student who occupies the top room. Frances de la Tour played Ruth Jones, a fey, whimsical spinster and college administrator who rents another room, with whom Rigsby is in love and to whom he proposes in the last episode. In the pilot episode, a new tenant arrives. Philip
Damp (structural) with most other forms of dampness, rising damp is often misdiagnosed in buildings. Many misdiagnose a wall stain as rising damp instance due to misinterpreting the visual evidence of the wall and the readings of moisture meters. In simple terms rising damp occurs when ground water travels upwards through porous building materials such as brick, sandstone, or mortar, much in the same way that oil travels upwards through the wick of a lamp. The effect can easily be seen by simply placing a piece of porous brick, stone, or mortar in a shallow tray of water and observing how the