Damp Proofing Experts

Damp in our homes can manifest in various ways with a multitude of provisions that can eradicate the problem. Damp can form from Condensation, Rising Damp, Penetrative Damp and Damp from underground.

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What is Rising Damp?

Rising damp is a form of dampness that occurs, particularly in older buildings, when groundwater rises up through walls, floors and masonry via capillary action, which is the ability of a liquid to flow in narrow spaces in opposition to gravity. In simple terms, the water rises up the wall of a building in the same way that oil rises up through the wick of a lamp using small continuous pores in a material. Bricks and mortar can be very porous and contain many fine capillaries, through which water can rise.

Do I have Rising Damp?

The most common visual symptom of rising damp is a clearly defined band of dampness, starting from the floor upwards – often causing paint to flake or wallpaper to peel. However damp walls, caused by rising damp, can also result in a wide range of other symptoms including:
  • Damp smells or a musty odour
  • Reduced temperature at the lower portion of the wall
  • Rotting of embedded floor timbers
  • Crumbling or blistered plaster due salt crystallisation
Walls affected by rising damp are also often contaminated with salts that mean it is not possible to just replaster and hope the problem will go away.

Treating Rising Damp with Dryrod

Unlike pressure injection, a successful and effective Dryrod treatment can be carried out on an average sized house without specialist equipment required to carry out the installation. Because each rod is dosed with exactly the correct amount of active ingredient, it is not possible to over or under dose. Simply drill and insert the correct number of rods.

In the past, rising damp was treated using corrosive or flammable liquids, injected under pressure, to block the pores of brick, stone and masonry and create a liquid damp-proof course. An expensive and complex pump system is required to inject the damp-proofing fluid into a wall, along with considerable expertise on the behalf of the operator. It is likely that an inexperienced operator could introduce the wrong amount of chemical into the wall.


Dryrod Damp-Proofing Rods have been issued a BBA certificate (no. 97/3633) that confirms they will remain effective for at least 20 years. Dryrod should create an effective DPC for as long as the treated wall is structurally sound. Other independent Tests have been carried out by the University of Portsmouth, confirming the effectiveness of Dryrod.

Dryrod Damp-Proofing Rods have been extensively tested by the British Board of Agrement, the University of Portsmouth and Safeguard Europe. A wall treated with Dryrod has been proven to be over 4 times more resistant to rising damp than a wall treatment with the next competing method. With its quick and simple installation method, guaranteed dosage and extensively tested level of effectiveness, Dryrod Damp-Proofing Rods are the modern way to treat rising damp.

  • Free comprehensive and expert diagnosis report with pictorial images of the underline problem
  • Fully accredited and qualified to extract Cavity Wall Insulation
  • Market leading Tools & Equipment to carry out all work activities
  • Competitive and fixed quotations
  • Trusted by Insurance Companies & Social Housing Providers
  • Qualified Employed Staff
  • Over 100 Years cumulative industry experience
  • ‘Right First Time’ fix
  • Full Certification and Post work Completion Report evidencing with pictorial images the work has been completed to our high standard
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