damp-proof

British  

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

He knew about things I had never even heard of, such as building regulations, damp-proof courses, rendering, load-bearing walls and lintels.

From The Guardian

Sir Peter also says ministers may need to tighten building regulations to ensure that at-risk homes are properly protected - say, by raising plugs, fuse boxes and damp-proof courses.

From BBC

These can stop water from seeping through gaps in external doors, such as front and patio doors Covers that can be fitted over ventilation bricks "Non-return" values fitted to drain-pipes and other pipes that could allow water to back-up during a flood Raising damp-proof courses and sealing floors Flood protection experts recommend that people buy products that have been awarded a kitemark, as this means that the product has undergone a series of tests to ensure it is fit for purpose.

From BBC

Finished work, especially smooth surfaces, is improved by the application of varnish, and is at the same time rendered damp-proof.

From Project Gutenberg

Never carry all your supply of matches about your person, have a few, even though only a half dozen, in some damp-proof article amongst your blankets.

From Project Gutenberg