damp-proof

verb

1. to protect against the incursion of damp by adding a dampcourse or by coating with a moisture-resistant preparation

adjective

1. protected against damp or causing protection against damp

   a damp-proof course

Example Sentences

A damp-proof course has been introduced consisting of a thin sheet of lead sandwiched between layers of asphalt.

From Project Gutenberg

This is accomplished by putting under the foundation a solid bed of concrete, and under the foundation walls damp-proof courses.

From Project Gutenberg

Joan looked up from the damp proof sheets of the society layout for Sunday.

From Project Gutenberg

The good points of concrete are manifold; it forms a strong, fire-resisting, and damp-proof structure.

From Project Gutenberg

The base of the cavity should be taken down a course or two below the level of the damp-proof course.

From Project Gutenberg