5 Unexpected Causes of Roof Leaks

Introduction

When most homeowners think about roof leaks, they imagine broken tiles or heavy rain as the culprit. While those are common causes, there are other, less obvious reasons water may be finding its way into your property. Understanding these can help you spot problems earlier and prevent costly damage. Burgess Hill Roofing Repairs in Burgess Hill, South East London, is here to explain five unexpected causes of roof leaks that every homeowner should know about.

1. Blocked Gutters and Downpipes

Water should flow freely off your roof and away from your property, but blocked gutters can stop that from happening. When leaves, moss, and debris build up, water can back up under the roofline, seeping into fascias, soffits, and even interior walls. Regular gutter maintenance is key to preventing these hidden leaks.

2. Damaged or Loose Flashing

Flashing seals the areas around chimneys, vents, and skylights. If flashing becomes cracked, corroded, or loose, rainwater can easily slip through the gaps and cause leaks inside your loft. These leaks often go unnoticed until significant water damage has occurred.

3. Condensation in the Loft

Not all “leaks” are caused by rain. Poor ventilation in your loft can lead to condensation, which drips onto insulation and ceilings, mimicking a roof leak. Adequate airflow and vapour barriers can solve this problem before it leads to mould and structural issues.

4. Overhanging Tree Branches

Branches that touch or hang close to your roof can cause slow, hidden damage. They scrape against tiles, dislodge grit, and leave organic debris that holds moisture. Over time, this creates weak spots where water can penetrate.

5. Poorly Sealed Roof Fixtures

Satellite dishes, solar panels, and other fixtures that penetrate your roof must be properly sealed. If the sealant deteriorates, water can seep in around the fittings, leading to small but persistent leaks.

Conclusion

Roof leaks don’t always come from the most obvious places. Blocked gutters, loose flashing, condensation, overhanging branches, and poorly sealed fixtures are all silent troublemakers that can damage your home. Acting quickly when you suspect a problem can save you from expensive repairs later. Burgess Hill Roofing Repairs in Burgess Hill, South East London, can inspect your roof, identify the root cause of any leak, and carry out effective repairs to keep your property protected.

This is a photo taken from a roof showing the hip tiles which have been removed and are just about to be repaired

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