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damp-proof

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Definition of damp-proof in English:

adjective

Impervious to damp: any damp-proof membrane must be effective
More example sentences
  • We'd already decided that the guttering and downpipes need upgrading but now it looks like a new floor complete with damp-proof membrane is going to be needed.
  • Combined underlay and damp-proof membrane is the easiest option.
  • I wonder whether I should completely replace it with a concrete floor, laid over a damp-proof membrane.

verb

[with object] Back to top  
Make impervious to damp by using a damp course: the foundation has been properly damp-proofed
More example sentences
  • The one-acre garden belongs to property maintenance boss Michael Egan, who met Alf four years ago while damp-proofing his sheltered flat.
  • It needs to be rebuilt using materials in keeping with the original stone and slate building, and the 4, 000sq ft home must then be damp-proofed, wired, plumbed and decorated.
  • We are insulating and damp-proofing some houses, but at the pace we are going it will take around 50 years to retrofit the 300,000 homes that have inadequate ceiling insulation alone.

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