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What Type of Dampness Do You Have?

It is a common misconception that damp has a singular cause. The reality is that there are several different types of damp that can effect a building, each requiring specific solutions.

Problems caused by penetrating damp

Damp Walls Guide - Causes, Symptoms and Solutions

Types of DampnessSymptomsSolutionsWhat next
Rising Damp

Damp walls can cause paint blistering, wallpaper peeling and plaster crumbling.

Visible dampness and efflorescent salts can be seen on lower sections of the wall.

  1. Install new DPC using Dryzone or Dryrods to block damp.
  2. Damaged plaster may need to be replaced using a specialist damp-proofing plaster.

Dryrod Damp-Proofing Rods

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Penetrating Damp

Rain penetrates through the wall, leaving damp patches.

Damp patches appear on the inside of the wall around windows and doors.

  1. Repair masonry defects e.g. cracks, damaged pointing, faulty window / door seals, etc...
  2. Apply Stormdry Masonry Protection Cream to the outside wall, which will stop rainwater soaking into porous bricks, stone and mortar.

Stormdry Cream

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Condensation

Moisture from cooking, breathing, washing etc... condensing on cold walls and windows.

Black mould formation.

  1. Improve ventilation - e.g. Humidistat extractor fan.
  2. Improve background heating & Insulate cold walls.
  3. Install dehumidifier.
  4. Use mould-resistant paint to deal with symptoms.

Dryzone Anti-Mould Emulsion Paint

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Get it Done

Dryzone Moisture Meter Pre-calibrated digital meter for measuring moisture content in masonry and wood.
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