Why Does My Garage Roof Keep Leaking Even After Multiple Repairs?

When a Persistent Leak Becomes a Serious Problem

A leaking garage roof can quickly turn from a small annoyance into a major headache. At Arundel Roofing Repairs, we often meet homeowners in Arundel who are frustrated after paying for multiple repairs only to see water seeping back in after the next downpour. If this sounds familiar, it may be time to look beyond quick fixes and understand what is really causing the problem.

Common Causes of Recurrent Garage Roof Leaks

1. Underlying Structural Issues

Sometimes a repair only addresses the visible damage, such as patching a hole or sealing a joint, without dealing with structural weaknesses. A sagging roof deck, rotting timbers, or poorly fitted supports can allow water to find its way back inside.

2. Age of the Roof

Older garage roofs—especially those with felt or asbestos sheets—simply reach the end of their lifespan. Constant patching can’t restore materials that have become brittle, cracked, or warped from decades of exposure to the elements.

3. Poor Drainage or Ponding Water

Flat garage roofs are particularly prone to ponding water. If water cannot flow off efficiently, it will eventually seep through seams, joints, or tiny cracks, no matter how many times they are resealed.

4. Low-Quality Repairs

Quick, low-cost fixes may use materials that aren’t durable enough for long-term weather resistance. In some cases, applying patch after patch can even trap moisture underneath, worsening the issue over time.

Why a Full Roof Assessment Matters

Instead of repeatedly spending money on temporary solutions, Arundel Roofing Repairs recommends a full inspection. Our roofers look at:

  • The condition of the roof deck and support structures.
  • The overall slope and drainage capability.
  • The integrity of flashings, joints, and seams.
  • Whether the roofing material is still suitable for long-term performance.

This allows us to provide a clear plan—whether that means a more comprehensive repair or a complete roof replacement for a lasting solution.

Long-Term Benefits of Fixing the Problem Properly

Addressing the root cause rather than patching symptoms offers several advantages:

  • Prevents further water damage to tools, vehicles, and stored belongings.
  • Reduces ongoing maintenance costs from repeat call-outs.
  • Improves energy efficiency by keeping the garage better insulated and dry.
  • Adds value to your home, as a watertight garage is a selling point.

Conclusion

If your garage roof keeps leaking despite multiple repairs, it’s a sign that a more thorough approach is needed. For homeowners in Arundel, Hampshire, Arundel Roofing Repairs can inspect the entire roof, identify the real cause of the leaks, and provide a solution that puts an end to recurring problems. By taking decisive action now, you protect your property, save money in the long run, and restore peace of mind.

Call us on: 01903 947 196
Click here to find out more about Arundel Roofing Repairs
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This is a photo taken from the roof ridge looking down a tiled pitched roof on to a flat roof. Works carried out by Arundel Roofing Repairs

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