What Causes Tiles to Slip or Go Missing on Pitched Roofs?

A pitched roof is one of the most reliable and durable roofing systems, but even the best-maintained roofs can occasionally develop problems with missing or slipped tiles. At Gosport Roofing Repairs, we frequently receive calls from homeowners worried about gaps appearing on their roof, and for good reason — missing tiles can lead to leaks, damp issues, and costly structural damage if not addressed quickly.

Why Tiles Slip or Go Missing

1. Weather Damage

Strong winds, heavy rain, and storms are common culprits. Gusts can lift tiles that are already loose, sending them sliding down the roof or onto the ground.

2. Age and Wear

Roof tiles don’t last forever. Over time, nails, clips, or mortar holding them in place can corrode or deteriorate, making the tiles more vulnerable to slipping.

3. Poor Installation

If tiles were incorrectly fitted when the roof was installed, they might not be secured firmly. This can cause problems to appear much sooner than expected.

4. Roof Movement

Roofs expand and contract with temperature changes. Over years, this natural movement can loosen fixings and create gaps that cause tiles to shift out of position.

5. Foot Traffic

Walking on a roof to clean gutters, fix aerials, or carry out DIY repairs can dislodge tiles if proper care isn’t taken.

6. Moss and Debris Build-Up

Excessive moss can push tiles apart, trap moisture, and eventually weaken the fixing points, allowing tiles to slip.

The Risks of Ignoring Missing Tiles

Even one missing tile can lead to:

  • Water ingress – causing leaks in the loft or ceilings.
  • Damp and mould – which can spread into internal walls.
  • Heat loss – as gaps in the roof reduce insulation efficiency.
  • Structural damage – prolonged exposure to water can damage roof timbers.

Preventing Slipped or Missing Tiles

  • Arrange regular roof inspections to catch issues early.
  • Clear moss and debris to reduce pressure on tiles.
  • Use a professional service like Gosport Roofing Repairs to secure loose tiles before bad weather arrives.

Conclusion

Slipped or missing roof tiles are a common issue, but they should never be ignored. By understanding the causes and acting quickly, you can protect your home from leaks, damp, and expensive repair work. Gosport Roofing Repairs is here to help homeowners in Gosport keep their pitched roofs in excellent condition with timely inspections and expert repairs.

This is a photo of a dormer window which has just had some repairs carried out where the roof and the dormer meet. Works carried out by Gosport Roofing Repairs

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