Signs Your cLeaks Are Caused by Lead Failure

Roof leaks can be frustrating and disruptive, particularly when the source is not immediately obvious. While broken tiles or damaged felt are common culprits, many persistent leaks are caused by failing leadwork. Lead plays a vital role in directing water away from vulnerable areas of the roof, and when it deteriorates, moisture can quickly find its way inside.

For property owners in Towcester, Northamptonshire, understanding the signs of lead failure can help ensure roofing issues are identified accurately and addressed before further damage occurs.

The Role of Lead in Roof Protection

Lead is commonly used around chimneys, roof valleys, abutments, and junctions where different parts of the roof meet. Its flexibility and durability allow it to expand and contract with temperature changes while maintaining a watertight seal.

When lead is correctly installed and maintained, it provides long-lasting protection. However, once it begins to fail, these critical areas become prime entry points for water.

Persistent Leaks Despite Intact Tiles

One of the clearest indicators of lead-related leaks is water ingress that continues even when roof tiles appear undamaged. If inspections show no obvious issues with the main roof covering, the problem often lies with the leadwork beneath or around it.

Water may travel along compromised lead joints before appearing inside the property, making the source difficult to trace without professional assessment.

Staining Around Chimneys and Roof Junctions

Internal staining near chimney breasts or where walls meet the roof is a common sign of lead failure. Externally, you may notice discolouration, lifting, or gaps in the lead flashing.

These areas are designed to channel water safely away. When lead becomes loose or cracked, moisture can seep behind it and track into the roof structure.

Cracking or Splitting in Lead Flashing

Over time, lead can fatigue due to repeated expansion and contraction. This may result in visible cracks or splits, particularly in older installations or where lead has been poorly detailed.

Even small fractures can allow water to penetrate during rainfall, leading to gradual but persistent leaks that worsen if left untreated.

Movement and Detachment

Lead that has not been correctly fixed may begin to lift or pull away from the surface it is protecting. This movement creates gaps that allow water to bypass the flashing entirely.

Strong winds and weather exposure common in Towcester can accelerate this process, making early detection particularly important.

Damp Patches That Appear After Heavy Rain

If damp patches appear or worsen following periods of heavy or prolonged rainfall, lead failure may be the cause. Compromised leadwork often struggles to manage increased water flow, allowing moisture to build up and enter the property.

This pattern can help distinguish lead-related issues from more general condensation or internal moisture problems.

Why Professional Assessment Matters

Lead-related roof leaks are rarely resolved through surface-level repairs. Identifying the precise cause requires experience and a thorough understanding of how lead should function within the roof system.

KLJ Roofing Towcester take a careful, methodical approach to diagnosing lead failure, ensuring repairs address the underlying issue rather than masking the symptoms.

Conclusion

Roof leaks caused by lead failure often develop gradually, making them easy to overlook until visible damage appears. Persistent leaks, staining around chimneys, cracked flashing, and movement in leadwork are all signs that professional attention is required.

If you suspect your roof leaks may be linked to failing leadwork in Towcester, Northamptonshire, KLJ Roofing Towcester are available to provide expert advice and professional repair solutions. Get in touch to ensure your roof remains watertight and properly protected for the long term.

Call us on: 01327 223 898
Click here to find out more about KLJ Roofing Towcester
Click here to complete our contact form and see how we can help with your roofing needs.