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The Ultimate Guide to Cleaning Render in the UK 🏡: Tips from Top Manufacturers

By Mark Cave March 12, 2024

The Ultimate Guide to Cleaning Render in the UK 🏡: Tips from Top Manufacturers

Keeping exterior rendered surfaces in pristine condition is vital for the visual appeal and structural health of buildings across the United Kingdom. This comprehensive guide dives into the best practices for cleaning render, spotlighting recommendations from the UK's leading render manufacturers: K Rend, Monocouch Render, Parex, and Weber. Whether you're battling black stains, algae, or simply seeking to refresh your building's facade, this post covers everything you need to know.

How to clean Render Guide For the UK

Understanding Your Options for Render Cleaning 🛠️

Render cleaning is not a one-size-fits-all task. The approach you choose should be tailored to the specific type of staining your building is experiencing.

Dealing with Black Staining

Superheated Steam Cleaning

For removing persistent black stains, the application of superheated steam using equipment like the DOFF system provides a gentle yet effective solution that leaves the render undamaged.

Softwashing with Sodium Hypochlorite and Clever Wash Surfactant

This method involves creating a solution by diluting 1 part 15% sodium hypochlorite with 3 parts water and adding Clever Wash surfactant according to the manufacturer's guidance. The solution should be applied to the affected area and left to work for around 30 minutes. If black stains persist, a second treatment may be necessary. Afterward, a gentle water rinse is crucial to prevent salt residue, which can encourage moisture and for organic growth.

Render Cleaning Surfactant

Addressing Green and Red Algae

The render affected by green or red algae but not black stains, the same methods for tackling black staining are applicable. Also an alternative approach involves employing a slow clean biocide like Soft Wash Pro 50. This product should be diluted at a rate of 1 part chemical to 25 parts water, then brushed onto the render to ensure deep penetration and create an inhospitable environment for algae.

Render Cleaning Biocide

Morton Procedures for Sodium Hypochlorite Application

When employing sodium hypochlorite:

  • Dilute 15% sodium hypochlorite with 1 part to 3 parts water.
  • Add the appropriate amount of surfactant like Clever Wash.
  • Apply the solution to the render, allowing it to sit for about half an hour.
  • Rinse thoroughly to remove any residual solution and prevent salt residue buildup.

Sodium Hypochlorite For Render Cleaning

Slow Clean Biocides Application

For a more gradual cleaning process using Soft Wash Pro 50:

  • Dilute the biocide at a rate of 1 part chemical to 25 parts water.
  • Brush the solution onto the render for maximum penetration.
  • Allow the solution to remain on the surface without rinsing, providing 2 to 3 years of protection against recolonization.

Best Practices for Safe and Effective Render Cleaning 🚧

  • Always cordon off the work area to ensure public safety.
  • Perform comprehensive risk assessments and create detailed method statements.
  • Utilize appropriate personal protective equipment during the cleaning process.

By following the procedures outlined above and adhering to the recommendations from leading render manufacturers, you can effectively clean and protect your building's rendered surfaces. This guide aims to empower property owners and cleaning professionals with the knowledge needed to tackle render cleaning challenges head-on, ensuring lasting beauty and durability for your property's exterior.

Render Cleaning Befor and After A Soft Wash

📢 Transform Your Building Today!

Don't let unsightly stains detract from your property's beauty. Visit SoftWash UK now to explore our range of proven cleaning solutions, including Clever Wash surfactant and Soft Wash Pro 50. Start your journey to a cleaner, more vibrant building exterior today. Equip yourself with the best in the industry and witness the transformation. Your property deserves the utmost care, and SoftWash UK is here to ensure it shines.


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Soft Wash Calculator App

Now you can say I've got an app for that!

    

Available NOW Click Here To Download

Softwashing calculator is an indispensable tool for juggling complicated chemical mixes. It helps reduce wastage and keeps operating costs down by giving accurate proportions

If you are having difficulty getting your head around the maths, trying to work out what percentage of softwash you need, how much chemical, surfactant and water to add, then this is the App for you.

 

 


The Soft Wash Calculator App allows you to work out your soft wash recipe by telling you exactly how much chemical, how much water and how much surfactant to add to get the desired soft wash recipe.
It doesn't stop there!.
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- works in both Litres and US Gallons
- tested for Protan and Deutan colourblind users
- links to SoftwashingUK website

Take this scenario
You started with a 1% soft wash recipe of 50 gal (or litres)  for a deck clean and you’re left with 13 gallons.

You get a call from a prospective customer to clean their roof. Past experience tells you a 4% soft wash recipe is needed, but what about your leftover mix at 1%?.

Do you waste time and effort driving back to base to transfer into a standby tank?
You could consider the 13 gal as just water, top up the tank and start again.  
But that’s throwing away the value of the mix and raising your overhead.

Soft Wash Calculator App to the rescue.

You get to the new job and it requires 100 gal / litres.
Switch into remix mode , confirming the 13 gal already in the tank
Move the dials to your new recipe and the app immediately updates the different amounts to add in front of your eyes including the correct amount of extra surfactant.

You now have a 100 gal / litres tank of 4% soft wash recipe ready for your roof clean job!

Not forgetting you’ve saved money too, all without stress and uncertainty . Don’t underestimate what confident calmness has on your customer putting out referrals.

The same applies if you have a 4% recipe left in your tank and you need to dilute it down to 2%. Again the app will tell you how.

Softwashing calculator will also work for any chemical recipe. For instance you can use it for Sodium Hypochlorite, Bleach, Biocide , TFR traffic film remover and degreaser. Even the mathematically-challenged rocket scientist can top up their booster tanks to new fuel mixes after launch delays caused by changing weather conditions.

Using this app you will know exactly what chemical strength to put on any surface giving you the confidence and the knowledge of a professional soft washer and you’ll save money as well.

So if you have little knowledge of how to mix a soft wash recipe then this app is for you.
If you have little knowledge of how to remix a soft wash recipe then this app is for you.
If you want to save money when mixing a soft wash recipe then this app is for you.

This app is also backward compatible to devices running iOS7. We've done this so you can re-purpose an old iPhone 4 or iPod Touch 5  for what could be hazardous work environments. Just toss one in your cleaning van's toolkit.

Once you learn the methods and procedures of how to apply the soft wash to the different surfaces that need cleaning you’ll be unstoppable!

The app also has  a guide to what percentage for what surface. And if you are the lucky owner of a Clever Injector it will remind you the correct setting for the job.
However you should always consider and risk assess what soft wash recipe you need to clean the surface.

** A major iOS code-base change may require a re-purchase. The appiverse at the time will confirm our promise that we won't do so unless the necessity is apparent.



 

 

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