damp course

noun

damp course

noun

1

Business, Construction, Manufacturing A layer in a wall, foundation etc. which prevents moisture spreading into interior areas.

He knew why the building was so damp. Its damp courses were defective and it was built on top of the tank stream.1985, Peter Carey, Illywhacker, Faber and Faber, published 2003, page 532:
Sincerest apologies from Everest, which admits that a damp course was, by an extraordinary oversight, not included.2001 June 20, Anna Tims, The Guardian:

Synonyms: damp-proof course, DPC

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.