Damp proof course & rising damp?

A Damp Proof Course is a barrier that is installed at the lower level of the wall of a building to prevent water from rising from ground level. This barrier, effectively stops, what is known as, rising damp.

Mild cases of rising damp may only get spotted following a building survey, in more serious cases visible damp patches, along with hygroscopic salts can be seen on the surface of the walls.

Rising damp – tell tale signs!

  • Peeling wallpaper
  • Damp or lifting plaster
  • A tide line on the walls
  • Damp or stained skirting boards
  • Brown/yellow stains on the walls
  • Furry, raised, powdery residue on plaster
Rising Damp for Damp proof course page
Injecting a damp proof course

Injecting damp proof course

Fitting a damp proof course requires a number of steps for permanent elimination. Although the steps are fairly standard, each survey and analysis will result in a thorough plan, which may include:

  • Removal of any damp plaster
  • Adding a salt neutraliser to walls to dissolve all salts
  • Chemical injections to repair the damp proof course
  • Applying a waterproof interior render
  • Finishing the walls with a smooth skim coat plaster
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Peter Langley profile picture
Peter Langley
January 27, 2022.
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The team from Damp Group Bristol Ltd that attended were great, I couldn't believe how clean my dining room was left on completion considering this type of work! Would highly recommend this company in the future.
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Mark Musgrave profile picture
Mark Musgrave
October 6, 2021.
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Really professional team who removed old plaster, inserted a damp-proof course and re-plastered. Really impressed with Aiden's finishing plastering on day 2 who was meticulous in checking over his work several times to ensure a perfect finish. All the team were very tidy over the 2 days and cleaned up removing all waste.
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John Higgins profile picture
John Higgins
October 5, 2021.
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We had work done by damp group bristol in our basement. Great work and left clean and tidy. Thank you for such a great job!
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Iain Hissett profile picture
Iain Hissett
August 11, 2021.
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Fantastic professional service from start to finish. Mike and team went out of their way to get a damp proofing job done as well as possible. Highly recommended.

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