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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

Some of our clients

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Client Testimonials

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

Tom Brady - MD Building Services

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

Adam Coombs - Regional Director, Hillcrest

“A safe pair of hands - thorough, cost effective and report back in a timely fashion.”

Bloq Management Services

“They were able to remove the remnants of graffiti that had not been removed previously using chemicals.”

Joe - Hillcrest Estate Management

“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

“Quite simply a very professional, friendly, family business that provides good value for money. ”

Les Richards - Board member of the RTM

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