Rising Damp this fact was planned to be a plot development in the TV series, but the death of Richard Beckinsale meant this was not possible. A feature film version was released in 1980, reusing several storylines from the television series. As Richard Beckinsale had died the year before, Christopher Strauli was cast as a new character, art student John. The character of Alan is briefly referenced, as having left. The film's theme song features lyrics by Eric Chappell and was released as a 7" single. The B-side features comedy dialogue between Rigsby and Miss Jones. Philip is revealed not to be
Damp (structural) water is absorbed into the porous material and is transported above the water line. Rising damp can be identified by a characteristic "tide mark" on the lower section of affected walls. This tide mark is caused by soluble salts (particularly nitrates and chlorides) contained in the groundwater. Due to the effects of evaporation these salts accumulate at the "peak" of the rising damp. The issue of rising damp has been a concern since ancient times. The Roman Architect Vitruvius referred to the problem of dampness rising up walls and advised on how to construct buildings to avoid the problem. Rising