Understanding Garage Roof Leaks and Their Causes

A leaking garage roof can cause significant issues, including water damage, mould growth, and structural deterioration. Left unchecked, even a small leak can lead to costly repairs. For homeowners in Salisbury, Wiltshire, where the weather can be unpredictable, ensuring that your garage roof is watertight is essential for protecting your property.

Leaks can occur due to various factors, such as weather damage, ageing materials, or poor drainage. Identifying the root cause early can help prevent further issues and extend the lifespan of your garage roof.

Common Causes of Garage Roof Leaks

1. Damaged or Worn Roofing Materials

Over time, roofing materials such as felt, asphalt, or metal can deteriorate due to exposure to rain, wind, and UV rays. Cracks, splits, or missing sections allow water to penetrate the roof structure.

2. Blocked or Faulty Drainage Systems

If gutters and downpipes are clogged, water can pool on the roof, increasing the risk of leaks. Flat or low-sloped garage roofs are particularly vulnerable to standing water.

3. Cracked or Loose Flashing

Flashing is used to seal joints and edges where the roof meets walls or vents. If it becomes loose or cracked, water can seep through these weak points.

4. Poor Roof Installation

A garage roof that has been poorly installed may have gaps, weak seams, or improper sealing, making it more susceptible to leaks.

5. Structural Movement and Ageing

Over time, buildings naturally settle, which can cause cracks in roofing materials or misalignments that allow water ingress. Older roofs may also weaken due to wear and tear.

How to Prevent and Fix Garage Roof Leaks

1. Regular Roof Inspections

Checking your garage roof at least twice a year can help identify early signs of damage. Look for cracks, blistering, sagging areas, or missing materials.

2. Clear Gutters and Drains

Keeping gutters and drainage systems free of debris ensures that water flows away from the roof instead of collecting on the surface. Regular maintenance helps prevent overflow and leaks.

3. Repair or Replace Roofing Materials

If there are visible cracks or missing sections on the roof, repairing them with a waterproof sealant or replacing worn-out materials will help prevent leaks. For severe damage, a full replacement may be necessary.

4. Check and Repair Flashing

Ensuring that flashing is properly secured and free from cracks will prevent water from seeping in at vulnerable points. Damaged flashing should be replaced or resealed as needed.

5. Apply a Waterproof Coating

Adding a waterproof membrane or sealant can help protect the roof from moisture damage, particularly on flat garage roofs.

6. Ensure Proper Roof Slope

For flat or low-pitched roofs, ensuring that there is a slight slope for drainage will help prevent water from pooling. If water consistently gathers on the surface, additional drainage solutions may be required.

When to Call a Professional Roofer

While minor maintenance and small repairs can sometimes be handled by homeowners, larger issues require professional expertise. If your garage roof has persistent leaks, significant damage, or structural concerns, seeking a professional roofing service is the best way to ensure a long-lasting solution.

A professional roofer can conduct a thorough inspection, recommend the most effective repairs, and use high-quality materials to restore the integrity of your garage roof.

Conclusion

A leaking garage roof can lead to extensive damage if not addressed promptly. Regular inspections, proper maintenance, and timely repairs can help prevent water ingress and extend the life of your garage roof.

For homeowners in Salisbury, Wiltshire, professional roofing services ensure that leaks are properly diagnosed and repaired, providing lasting protection against the elements. If you suspect a leak, taking action early can save time, money, and potential damage to your property.

This is a photo of a hipped roof on a bungalow that has just had roof repairs carried out. Works carried out by MCM Roofing Repairs Salisbury

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