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Carbonate Staining (Lime Run)

Lime Run is a hard white or grey surface crust that usually emanates from mortar joints or runs down from a hole or crack between brick and mortar joints. The way to differentiate between Lime Run and Efflorescence is that Lime Run does not disappear when wet.  

It occurs when water deposited or collected in the wall during construction dissolves water-soluble calcium compounds in the brick or mortar. Over a prolonged period of time, the water migrates through openings in the wall surface and, as the water evaporates, the dissolved calcium reacts with the atmosphere to produce a hard calcium carbonate crust on the masonry surface.

Cleaning

Always clean Lime Run off as quickly as possible as the hard crust that is formed when it begins to carbonate is far harder to remove. We use a specially formulated, tried and tested cleaning agent to achieve the best possible results.

Prevention

Prevention is far better than cure. There are a number of precautions that can be taken such as; protecting brick work from rainfall. making sure that mortar joints are fully filled so that water cannot collect in air pockets and ensuring correct installation of damp proof course or membrane.

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Some of our clients

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Client Testimonials

“It is refreshing to work with such a dynamic, enthusiastic and reliable team.”

Adam Coombs - Regional Director, Hillcrest

“Please pass on my sincere thanks to guys for the demo and for getting Neptune cleaned.”

Wendy Tomlinson - Senior Conservation Officer, Cheltenham Borough Council

“Their work is excellent – I recently visited a building that they cleaned for me 18 months ago and it still looks brilliant.”

Daniel Boyle - MD of Relyon Services

“The works surpassed my expectations! I will have no problem referring you to my friends and business associates.”

Andy Lane - Lane Pearson Automotive Group Ltd

“I just wanted to let you know that we are on site today and think that the building is looking so much better, so thank you very much for that.”

Anita Pitts - Hartwell House

“If we need a job to be carried out at short notice they do everything necessary to make it happen, including getting required approvals to allow them to get on site and get the job done.”

Daniel Boyle - MD of Relyon Services

Our Accreditations