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Prestige Group
Prestige Group
Moss and lichen growing along the ridge line of a residential roof in Wisbech with gaps visible in the mortar
PROJECTS

Roof Cleaning and Ridge Repair in Wisbech

A full roof clean, moss removal and ridge tile repair on a residential property in Wisbech. Years of moss growth and deteriorated mortar had left the ridge line vulnerable to water ingress. Our team stripped the ridge, cleared all debris and restored the roof to a watertight, clean condition.

Project overview

A full roof clean, moss removal and ridge tile repair on a residential property in Wisbech. Years of moss growth and deteriorated mortar had left the ridge line vulnerable to water ingress. Our team stripped the ridge, cleared all debris and restored the roof to a watertight, clean condition.

1

Before – What we found during the survey

Hand lifting a ridge tile to reveal crumbling mortar on a roof in Wisbech, Cambridgeshire
Prestige Roof team member inspecting a gap in ridge tiles caused by deteriorated mortar on a Wisbech property
Moss and lichen growing along the ridge line of a residential roof in Wisbech with gaps visible in the mortar
Heavy lichen and moss covering a ridge end cap with visible deterioration on a roof in Wisbech

When our team arrived at this property in Wisbech, the homeowner had noticed moss building up across the roof and was concerned about the condition of the ridge tiles. From the ground, the roof looked tired but it was only once we got up on the scaffolding that the full picture emerged.

The ridge mortar had crumbled away in several places, leaving gaps between the ridge tiles where rainwater could track directly into the roof space. Years of moss and lichen growth had accelerated the deterioration, holding moisture against the tiles and mortar throughout the wet winter months.

The gutters were also heavily blocked with moss debris, old mortar fragments and even nesting material, meaning rainwater was overflowing rather than draining properly.

2

During – Stripping back and clearing out

Gutter completely blocked with moss debris, old mortar and nesting material on a Wisbech property
Roof valley area packed with moss debris and old materials after tile removal in Wisbech
Concrete roof tiles lifted to reveal moss damage and deteriorated felt on a property in Wisbech
Open section of roof showing full extent of moss and mortar damage beneath tiles in Wisbech

With scaffolding safely in place, our team worked methodically along the full ridge line and across the roof surface:

  1. Carefully removed all ridge tiles and stripped away the old, failed mortar.

  2. Cleared years of accumulated moss, lichen and debris from the tile surface and between the tile courses.

  3. Cleaned out all gutters and downpipes, removing compacted debris that had been causing overflow.

  4. Lifted tiles in key areas to inspect the felt and battens beneath, checking for any hidden damage caused by long-term moisture ingress.

  5. Treated the roof surface to inhibit future moss regrowth.

Once stripped back, we could see that the felt and battens were in reasonable condition, meaning a full re-roof was not necessary. This saved the homeowner significant cost while still addressing the root cause of the problems.

3

After – A clean, weatherproof roof

Multiple layers of old crumbling mortar and deteriorated tiles exposed during a roof clean in Wisbech
Felt and timber battens exposed after stripping damaged tiles during a roof refurbishment in Wisbech

With the cleaning and stripping complete, we re-bedded the ridge tiles using modern materials designed to last:

  • All ridge tiles re-bedded with flexible, frost-resistant mortar that will not crack and crumble like the old cement mix.

  • Ridge ends sealed and pointed to prevent water tracking in from the gable ends.

  • Gutters left clear and free-flowing, with all downpipes checked and confirmed draining correctly.

  • The full roof surface cleaned of moss, lichen and algae, dramatically improving both the appearance and the lifespan of the tiles.

The homeowner was delighted with the result. What had looked like a roof nearing the end of its life turned out to need a thorough clean and ridge repair rather than a full replacement, saving thousands while adding years of protection.

This is a perfect example of why we always recommend getting a professional survey before assuming the worst. A roof clean and ridge repair is one of the most cost-effective ways to extend the life of your roof and protect your home.

Project details

Location
Wisbech
Completed
April 2026
Stages
3

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Roof Cleaning and Ridge Repair in Wisbech gallery

A closer look at this roof cleaning & moss removal in Wisbech.

Hand lifting a ridge tile to reveal crumbling mortar on a roof in Wisbech, Cambridgeshire
Prestige Roof team member inspecting a gap in ridge tiles caused by deteriorated mortar on a Wisbech property
Multiple layers of old crumbling mortar and deteriorated tiles exposed during a roof clean in Wisbech
Heavy lichen and moss covering a ridge end cap with visible deterioration on a roof in Wisbech
Gutter completely blocked with moss debris, old mortar and nesting material on a Wisbech property
Roof valley area packed with moss debris and old materials after tile removal in Wisbech
Felt and timber battens exposed after stripping damaged tiles during a roof refurbishment in Wisbech
Concrete roof tiles lifted to reveal moss damage and deteriorated felt on a property in Wisbech
Open section of roof showing full extent of moss and mortar damage beneath tiles in Wisbech

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