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White Efflorescence

White Efflorescence, a naturally occurring phenomenon on brick, concrete or stone walls and floors, is a loose, powder surface deposit. It usually disappears when the surface is wet and then reappears as the surface dries. It is caused by water-soluble salts, carried in either rainwater, construction water, or groundwater; as the water evaporates it leaves the crystallized salts on the surface.

White Efflorescence Cleaning

Cleaning

Pressure washing can work to remove white efflorescence once the surface has thoroughly dried. The surface must be thoroughly rinsed to ensure that no residue remains. We also use a safe detergent to ensure a thorough clean. 

White Efflorescence Prevention

Prevention

Efflorescence is a naturally occurring phenomenon and is hard to prevent. Measures to avoid efflorescence can include using concrete of maximum density and low water absorption and ensuring that building materials are stored in a dry place, off the ground.

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Related Case Studies

Bragging about Building Cleans

We have worked on a number of building cleans, where we clean up brick work and other external surfaces after building work has been completed. One of these involved removing unsightly white efflorescence from a red brick façade on a building in Braggs Lane.

Read full case study
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Some of our clients

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Client Testimonials

“The Jet Washing Company (now OneFifty) deliver the best quality exterior surface cleaning, high quality customer service, and excellent value.”

Will Mellor - Knight Frank

“I was very impressed with the finish your company produced and how quickly you managed to do it.”

Tom Brady - MD Building Services

“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 work was carried out to a very high standard and we would not hesitate to use you again.”

Cathering Stott - Eunomia Research & Consulting

“They did a really great job of cleaning the high-level cladding on the building. I know that they offer a range of cleaning services and I will definitely be using them again in the future. ”

Christopher Haswell - Project Manager - Maddox Construction

“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

Our Accreditations

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