How to Spot the Early Signs Your Garage Roof Needs Repair?
Your garage roof plays a crucial role in protecting your vehicle, tools and stored belongings from the elements. Over time, exposure to rain, frost, wind and UV rays can wear it down — often long before you notice obvious damage. By spotting early signs, you can avoid expensive repairs and prevent the problem from spreading.
1. Visible Cracks, Splits or Holes
Cracks and splits are common signs that your garage roof is reaching the end of its lifespan. Flat roofs, felt roofs and older tiled roofs are especially prone to this kind of deterioration.
- Hairline cracks in felt or bitumen
- Tears caused by weather or falling branches
- Small holes allowing water to seep in
If left untreated, these small openings can expand quickly, leading to leaks and structural damage.
2. Water Stains or Damp Patches Inside the Garage
One of the earliest and most reliable signs of roof trouble is moisture appearing inside your garage. Look for:
- Dark patches on the ceiling
- Damp streaks on walls
- Mildew or mould growing in the corners
These signs usually indicate water entering through the roof covering or around the edges.
3. Sagging or Uneven Roof Areas
A sagging area often suggests water is pooling on the roof, weakening the structure below. Flat roofs are particularly susceptible to this issue.
- A noticeable dip in the roof surface
- Ponding water after rainfall
- Visible soft spots when gently pressed
Ignoring these signs can lead to structural failure or major repairs.
4. Peeling or Blistering Roof Surface
Blisters and bubbles on the roof’s surface often occur when moisture becomes trapped under felt, asphalt or rubber membranes.
- Raised bubbles under the surface
- Loose or peeling sections of felt
- Soft, spongy patches underfoot
These blisters eventually crack, allowing water to enter freely.
5. Damaged or Missing Roof Tiles (for Tiled Garage Roofs)
If your garage roof is tiled, inspect it visually from a safe distance for any broken, loose or missing tiles.
- Cracked tiles
- Tiles that have slipped out of position
- Gaps where tiles have fallen off
Even a single missing tile can expose the underfelt and lead to damp or leaks inside the garage.
6. Rusting on Metal Roofs
Metal garage roofs can last for many years but are vulnerable to rust if their protective coating wears away.
- Orange or brown rust patches
- Flaking paint or protective coatings
- Corrosion around fixings and screws
Rust weakens the metal sheets, eventually creating holes and leaks.
7. Excessive Moss or Algae Growth
Moss and algae thrive in damp conditions and can signal hidden moisture problems. On felt and tiled roofs, moss can lift edges and trap water.
- Thick moss patches
- Green or dark algae streaks
- Moss growing around joints and edges
If moss is spreading quickly, it could indicate the roof is holding moisture or degrading.
8. Guttering Problems Around the Garage
Sometimes the issue isn’t the roof surface itself but the drainage system around it.
- Blocked gutters causing water to spill over
- Loose or broken gutter brackets
- Downpipes not draining properly
Overflowing water can damage the edges of your garage roof and seep into the structure.
When to Call a Professional
Early signs of roof damage should never be ignored. A quick repair today is far more affordable than a full roof replacement later. Professional roofers can assess the extent of the damage, recommend the best repair method and ensure the garage remains safe and weatherproof.
If your garage roof is old, leaking, sagging or showing any of the signs above, getting an expert inspection is the best next step.
Garage Roof Repairs in Stoke-on-Trent
Low Cost Roofing Stoke specialises in repairing and replacing all types of garage roofs, including felt, EPDM, tiled and metal systems.
Visit our website to learn more or request a quote:
lowcostroofingstoke.co.uk
Final Thoughts
By checking your garage roof regularly and acting quickly when early signs appear, you can avoid major damage and prolong the roof’s life. A little attention now can save a lot of money and protect what matters inside your garage.