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Identifying Damp Causes on Your Chimney Breast
12th October 2023
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In the world of property maintenance, especially in locations like Eastbourne where the weather can be quite unpredictable, damp patches on a chimney breast often set off alarm bells. While damp in any form is undesirable, it can be particularly worrying when it occurs around a chimney. You might naturally wonder if this is a roofing issue. This blog aims to address your concerns and guide you through the process of identifying the root cause of the dampness.

Possible Causes

  1. Lead Flashing Issues: The lead flashing around your chimney may be damaged or improperly sealed, allowing water to penetrate.
  2. Lead Tray: The presence of a lead tray is crucial. If your chimney doesn’t have a lead tray, then you're always going to be susceptible to water ingress and damp. It’s important to get a competent roofing company to check if the chimney stack has one.
  3. Brickwork or Mortar Deterioration: Over time, the brick and mortar of your chimney can weaken, becoming porous and absorbing water.
  4. Condensation: If your chimney is not properly ventilated, moisture can condense on the interior walls, leading to damp patches.
  5. Roof Leaks: Less commonly, general issues with your roof could lead to water pooling and eventually causing dampness in the chimney area.

Steps for Diagnosis

Initial Inspection

First, you'll want to examine the state of your chimney and roof. Are there visible signs of wear and tear, such as damaged lead flashing? A cursory glance often reveals potential culprits.

Professional Assessment

For a more thorough understanding, consider hiring a qualified roofing contractor specialising in damp assessment. Contractors in the roofing category in Eastbourne can inspect the chimney stack to check for the presence of a lead tray.

Moisture Meter

These handy devices can identify the moisture content in the chimney breast wall, helping to pinpoint the source of the damp.

Solutions

Once the cause has been identified, appropriate steps can be taken to resolve the issue:

  1. Repair or Replace Lead Flashing: If the lead flashing is the issue, it may require resealing or replacing.
  2. Lead Tray Installation: If your chimney lacks a lead tray, consider having one installed to prevent water ingress and damp.
  3. Repointing: Deteriorated brickwork or mortar can be repaired through a process known as repointing.
  4. Ventilation: Improving chimney ventilation can alleviate condensation issues.
  5. Roof Repair: If other roofing issues are the culprit, you may need a more comprehensive solution.

Preventative Measures

Prevention is better than cure. Regular roof and chimney maintenance, ideally conducted by professionals in the roofing category in Eastbourne, can help you avert issues of dampness in the long run.

Take the Next Step

Your home is an investment that deserves the utmost care and attention. If you're facing issues with damp patches on your chimney breast, it's crucial to act swiftly. Contact Eastbourne Roofing Contractors today to request a no-obligation visit. Our team of experienced professionals can assess your situation and provide targeted solutions to ensure your home remains a safe and comfortable space for years to come.

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About the Author

Eastbourne Roofing Contractors

Member since: 1st March 2023

Local roofing company with over 15 years experience. We cover all aspects of roofing.

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