Chimneys, leadwork & roofline

Why are my ridge tiles loose?

Short answer: Mortar can crack and debond, or dry-ridge fixings can be missing, loose or incorrectly installed. Falling ridge material is a safety risk.

What this means in practice

Chimneys, valleys, abutments, ridges, verges and eaves are where different materials and movements meet. Repairs must address the supporting masonry or timber as well as the visible lead, mortar, plastic or metal finish.

What to check next

  • Keep people away from the area below
  • Inspect the complete ridge line
  • Choose a compatible repair or mechanical system

When should you ask a roofer to inspect it?

Arrange close inspection for loose masonry, repeated staining around a chimney, split lead, detached verge units or gutters that still overflow after cleaning. Scaffold-dependent repairs should be grouped where sensible so access is not paid for twice.

Safety first: do not climb onto a roof without suitable access, training and protection. Keep clear of loose coverings, unstable ceilings and water near electrical fittings.

Technical content reviewJ & L Welch Roofing & Paving Services Ltd · Over 20 years of combined roofing experienceReviewed 28 August 2026 · How our answers are produced

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