Do You Want Your Building's Render Cleaned? Long Lasting Results Up to 4 - 6 Times!

Dirty Render?

Let's Make it

CLEAN!

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5 Years Insurance Backed Guarantee For Render Cleaning Projects*

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Render Cleaning

When you have your properties render cleaned…

  • When you see how the feelgood factor has returned, you will know you have made the right choice.
  • Employees and visitors will mention how wonderful the building looks.
  • The smile on your face when more visitors and more customers come through your doors.
  • The extra profit in the company bank account gives you a bigger bonus.
  • You won’t need to make excuses and be embarrassed by your dirty, stained building.

No effort required from you, let us do all the planning and carry out your buildings render cleaning needs.

Our highly skilled specialist render cleaning teams will transform your dirty, stained rendered  facade into a wonderfully bright and clean looking building without re-painting the surfaces which would only cause long term damage to the rendered surface and will be very expensive to remove once applied.

Prevent exterior wall damage with our specialist cleaning services.

Weather, pollution and the environment can cause significant damage to the render on your building. Moss growth, algae and pollution can cause serious damage if left untreated. Expertly restore your building with our skilled team of professionals, along with 100s of satisfied customers across the UK.

Contact us for a free quotation – we’ll then discuss your requirements in more detail.

New buildings are certainly impressive but over time rendering becomes dull and pollutants, moss and algae take over, leaving the building looking stained, tired and worse for wear. We specialise in safe and effective outdoor cleaning using the latest tools and techniques which gently remove dirt and build up without damaging the render underneath.

Since our launch, we have established a strong reputation for effectively removing moss and algae from a number of rendered surfaces on commercial, industrial, educational and residential properties. The benefits of correct render cleaning cannot be underestimated. Choose a reputable company for your building render cleaning project who can demonstrate they have undertaken past render cleaning projects similar to your building in size.

Firstly we begin the process by treating outside walls before commencing a thorough cleaning process of the render using our specialist softwashing equipment to gently remove stains, marks and algae.

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After

Removal of algae and moss from through coloured renders isn’t as straightforward as it seems to be. Many building owners place their trust in local builders or commercial contractors to undertake the remedial works but without the correct expertise this can prove to be a costly mistake. Building Render Cleaning companies who are accredited to ISO9001 quality standards by UKAS are your guarantee of quality workmanship.

Surfaces made from the many different brands of render, should be appropriately treated before any cleaning work begins, effectively killing off spores to prevent regrowth. Once the render surface has been suitably prepared we then apply steam under low pressure to gently remove any algae which remains after the treatment while also lifting away dirt and pollutants. Once the render has been cleaned properly you are left with a surface which is bright, clean and fully restored with no damage to the render.

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Exterior Render Cleaning Services

Before starting any project we conduct a thorough assessment of the surfaces to be cleaned to ensure that we use the correct techniques to clean the render as effectively as possible. Incorrect assessments, inexperienced operators and poor cleaning techniques can cause unwanted damage to the surface which will need further repair. The incorrect use of a pressure washer for example simply pushes the water deeper into the surface causing damage. The water can then freeze in cold temperatures and cause cracking to the render which will result in expensive repair or replacement works in the future. Furthermore incorrect pressure washing doesn’t kill the mould spores and these will continue to grow, reappearing again in a few weeks or months.

Here at Purple Rhino we have the skills, knowledge and experience to deliver professional biocide render cleaning services that you can trust for K-Rend Render,cream render, or any other through coloured render.

Moreover, the benefits of building render cleaning and the application of protective systems include;

  • Removal of unsightly green moss and algae from the render
  • Restoration of render to an as new condition
  • Gentle removal of pollutants, moss and algae
  • Protect your building from corrosion or further damage associated with moss growth
  • Prevention of damp from becoming a problem
  • Allows the walls to breathe while preventing the growth of unwanted moss

If you are looking for professional building render cleaning services which can restore and preserve the render on your commercial, industrial or residential premises, please contact us for a free quote.

Our render cleaning products and solutions are environmentally friendly and fully bio degradable – we were the first company in the UK to perfect steam in the use of render cleaning and we have set the standards very high. Housing associations choose us for their render cleaning projects, you can too by calling our render cleaning hotline 0800 1577484 today to organise your FREE render sample clean.

Should you require render cleaning anywhere in the UK you have found the best building render cleaning company, call us today for a hassle free service.

Rendered wall cleaners should understand the complexity of the cleaning process to ensure no damage occurs and leave the render cleaner.

How to clean your render?

Depending on the structure of the building and brand of render you want to clean.You can reach and clean the render using either high reach carbon fibre telescopic poles or perhaps specialised softwashing equipment.

  1. Water fed pole method

    Prepare the Render Cleaning Machine with the right amount of render cleaning solution. Connect the water fed pole to the Render Cleaning Machine, then start brushing the solution onto the rendered wall from the bottom and work your way up to the top. Allowing the render cleaning solution to dwell for a short time of about fifteen minutes and then rinse with clean fresh water. You should always wear appropriate PPE when carrying out render cleaning activities.

  2. Using a softwashing equipment

    This technique can be used where access is difficult or high level hard to reach surfaces. You may need to use an elevated work platform (cherry picker) which should be operated by a competent person. The low pressure softwashing systems pumps will deliver an even flow of softwashing mixture to the required areas. Some carbon staining on the render may need additional equipment such as a low pressure steam cleaner to remove them effectively. Carbon staining on render is usually seen at the top of the rendered wall just underneath the parapet. Our rendering cleaner systems offer longer lasting results, Guaranteed!

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How to Clean Render

There are many different types of render used for building projects. It is essential that when render cleaning projects are being considered, the correct cleaning and treating methods be used.

A classic mistake many building owners or managers make is to first go onto the render manufacturers website to find out how to clean. With all due respect, the manufacturers have no clue how to clean their own products.

For example the Sto brand recommends using their product to apply and use a pressure washer at low pressure to clean. It does not work and most importantly they CANNOT advise what water flow rate should be coming through the low pressure washer.

Why is flow rate important?

Well let’s say the pressure washer is 100 BAR at 10 litres per min, there will hardly be any water hitting the rendered surfaces, now let’s increase the water flow to 30 litres per minute but keep the pressure at 100 BAR and WOW you will have a ton of water hitting the Sto rend causing costly to repair the damaged surface. It’s a bit like a motorbike and a 40 ton lorry driving at 30 mph into a wall, one will cause little damage and one will go right through the wall – therefore water flow IS an Important factor to consider when using a pressure washer.

Look at how this rendered wall was damaged whilst being pressure washed clean.

Pressure Washed Render
Damaged render whilst being pressure washed

Low Pressure is ALWAYS best for any type of render cleaning project, SoftWashing uses specialised bio-degradable chemicals to treat and kill organic matter spores at the root. This ensures that when used for render cleaning, Softwashing will last four to six times longer than pressure washing would.

K-Rend render cleaning projects when Softwashed treated will leave the K-Rend sparkly and new looking. The same can be said for Monocouche, Parex, Weber and all other types of through coloured renders.

We also offer a FREE treatment test patch service AFTER you have had your building cleaned by a pressure washing company. Simply call us and we will come and treat an area of about two to three square metres. In the following months and years, you will see, the area we treated will still be perfectly clean, whereas the rendered surfaces which have been pressure washed will quickly regrow thicker organic matter growth making your building look worse than before it was pressure washed cleaned.

Our number is 0800 157 74 84

I look forward to helping you get your building super clean,

Yours sincerely

Darran Smith

Darran Smith, Director, Purple Rhino Building Cleaning

Case Studies of Our Cleaning Work


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  • Render Cleaning Swindon

    Case Study

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    Render Cleaning Services – Berkhamsted

  • Render Cleaning at Holiday Inn Express

    Case Study

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    Exterior Cleaning Holiday Inn Express

  • Case Study

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    K Render Cleaning Services at Worthing Hospital

  • Case Study

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    Render Cleaning Services – Telford

  • Render Cleaning Brent Cross London

    Case Study

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    Oracle Apartments Render Cleaning Brent Cross London

  • Case Study

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    K Render Cleaning – Smart Training, London

What our Clients Think


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  • We have used Purple Rhino for a few years now and have found them to be reliable, good workers and always do a good job.

    Sally Bourn Office Facilities Manager
    Hayes and Jarvis Travel, Crawley

  • Having had an unsightly staining problem at one of our blocks we sought the advice of Purple Rhino. Purple Rhino met with us at the property and explained their procedure. Immediately we felt confident with their knowledge and assurance this was a job they could tackle. They explained in detail how the process would work and answered all of our queries, of which there many. A test patch was carried out prior to the works.
    On site we received nothing but praise for the professional approach the men had on site. Once the work was complete the residents were extremely pleased with the results of the cleaning and the overall difference it made to the block, it looked like new. We will certainly use Purple Rhino again for any upcoming projects that require their services.

    Sonia Rimell Porperty Manager
    ,

  • We would confirm Purple Rhino undertook the cleaning of ten large internal courtyard areas at the above hospital. As may be expected with hospital work complications did arise particularly from The Trust who had concerns with regards to patients in individual wards all of which were adjacent to the working areas. Not withstanding these problems Purple Rhino worked quickly and diligently with all parties so as to mitigate the issues and were able to complete in a timely and expeditious manner. All parties, including The Trust, were most appreciative with the quality of the completed works. In view of these experiences with Purple Rhino, we would not hesitate to recommend them for any future works relating to cleaning facades.

    John Richardson Director
    RAM Asset Management Ltd,

  • Hi Darran ­ We are so happy with the work done by your company that we wish to give you a testimonial. We are living in ST CLEMENTS HOUSE , London, and your team has done an amazing job. The work was carried out to very high standards, very clean and thorough. Dobby and Adam are very professional and an asset to your company. We would gladly recommend you.

    Thank you. A&R Breslin, St Clements House

    Antje & Robert Breslin Contract Manager
    St Clements House, London

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