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Algae

Algae requires moisture to grow and reproduce so it thrives in damp, sheltered or shaded areas. Growth tends to be more significant in autumn and winter, but can happen at any time if the surface is persistently damp and shady. Algae can be different colours - such as red, green and black - depending on the environment that it grows in. Algae near the seaside often appears red in colour due to marine salts in the atmosphere.  

In the built environment algae typically affects hard exterior surfaces such as stone or brick façades or block paving, It creates unsightly stains and can contribute to the degeneration of the surface material. It can also make exterior terraces, pathways and steps slippery and potentially hazardous.

Algae Cleaning

Cleaning

We follow a three-step approach to cleaning algae; a first pass, to clean the surface layer of algae using SteamPLUS. Then we apply a special render wash to even out the surface followed by second pass with SteamPLUS to complete the cleaning process.

Algae Prevention

Prevention

Algae spores are air-bourne, therefore algae can be a persistent problem on any damp and shady exterior surfaces. To address this issue we apply a growth inhibitor that helps discourage re-growth and keeps the surface clean for longer.

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Related Case Studies

Spring cleaning a hotel in historic Bath

The Hilton hotel Bath, perched on the river Avon, is exposed to the elements all year round. We were called by building firm Edgewater Contracts to clean the building façade of organic growth.

Read full case study

Quick and convenient cleaning for fast food favourite - McDonald’s

We carry out out regular jet washing for McDonald’s restaurants. This usually involves cleaning the outdoor seating areas, coral patios and drive-thru areas, however recently we also cleaned the roof of their Melksham restaurant.

Read full case study

Commercial office clean - London

Gredley House, a five-storey detached office building on the busy road in north east London, had become dirty from carbon staining and algae.

Read full case study

Preventing hazards at a development in Coed Darcy

Cleaning slippery steps at a property development near Swansea to prevent slip hazards.

Read full case study

Warehouse cleaning

We recently cleaned the exterior of a huge warehouse as part of a refurbishment project. Work consisted of cleaning black and green algae off the external metal clad walls, roller doors and brickwork.

Read full case study

Some of our clients

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Client Testimonials

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

Cathering Stott - Eunomia Research & Consulting

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

Will Mellor - Knight Frank

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

Adam Coombs - Regional Director, Hillcrest

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

Les Richards - Board member of the RTM

“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

“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

Our Accreditations

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