Case Study – Town Clock

Client Details

Llangefni Town Clock,

Isle of Anglesey Council


Type of Work

✔ Algae Removal
Graffiti Removal
Soda Blasting
Stone Restoration



✔ Algae Remover
Graffiti Gel


The Challenge

To carry out stone restoration in north Wales to clean a stone monument, removing several decades of pollutants, grime and weathered staining, located on the isle of Anglesey and to remove Graffiti from the stone to enhance the visual appearance.


APT’s Solution

We carried out a survey with the client management and highways and conservation team and discussed the various options and approach to the job. We liaised with the local authority throughout to coordinate the access and working process to avoid public and difficult traffic disruption.

We delivered a project plan and fixed cost proposal to the client.

We hired in local specialised lift access equipment and scheduled the works over the weekend and out of hours.

We carried out blast cleaning using the APT soda blast cleaning media to remove the heavy staining and clean the stone surfaces.

We applied the algae remover chemical product where required to kill algae and moss from the pathways and surfaces.

We used APT’s graffiti gel to clean graffiti from the affected areas.


What Our Client Said

  Many thanks for carrying out the cleaning work on Llangefni town clock monument over the weekend – what a difference it’s made.

Sara Fôn Evans
Regeneration Development Officer

CALL US ON 0800 0723 773

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