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Render. For as ubiquitous as it is, many property owners don’t know how to take care of it properly. We've seen it: proper render cleaning, protecting and restoration practices are a mystery for plenty of otherwise knowledgeable people out there. In particular, the issue of painting rendered walls is one we encounter regularly. A vast number of our clients are set on the idea of painting rendered wall exteriors. The problem is, they don’t know where to start or even if it’s the wisest idea.
That’s why we thought it would be best to explore the issue in-depth and give you all the information you need before making a render painting choice you might regret. So let’s dive into everything you need to know about painting and maintaining render.
It is a deceptively complex question. Painting rendered walls is absolutely possible; nothing is stopping you from climbing up a ladder, brush in one hand and paint in the other. Indeed, a good coat of paint or two can rejuvenate an older building, helping it ‘pop’ and stand out to prospective clients or tenants. However, render painting isn’t quite as simple as slapping watercolours on a blank canvas. Render (especially if it’s got a few years behind it) is an infamously tricky surface to paint. If you don’t make the proper preparations, your paint job will only end up making your property look worse than before.
What are those preparations? In a nutshell, they consist of cleaning, repairing any cracks, sanding the surface and applying a stabilising solution. That may sound like a lot, but there are plenty of services out there dedicated to take the hard work (and guesswork) out of the equation for you.
Of course, if you’re considering painting your render, it might first be worth asking yourself why you want to do so in the first place. Is it looking weathered? Old? A little bit discoloured? If so, you might be surprised to discover that render painting might not see your property restored to that picturesque state your imagination is conjuring up.
Why? Well, in our experience, a building that looks like it needs a paint job is often instead suffering from a buildup of algae, moss, pollution and grime. Algae is particularly prevalent on render, due to the material’s porous surface and its ability to cling onto moisture. So, rather than immediately painting rendered walls, these buildings would see far better results from an initial thorough cleaning service.
That’s not to say that a render painting job would be redundant, but the service would be wasted upon a grimy, stained render surface. Think of your render as a piece of paper; would you rather write on a stained, dirty sheet or a crisp, spotless one? Exactly.
If our discussions with clients are anything to go by, you’re probably now wondering how to clean render before painting. Let us fill you in.
Whether you’re dealing with red, brown or green algae, moss or organic stains; carbon stains from pollution; graffiti or anything else, you’ll benefit immensely from seeking professional assistance rather than relying on yourself. This is because different render types can often require a vastly different approach. Likewise, different types of staining or buildup will necessitate a different formulation of cleaning solution. Failure to make the right choices for your building can result in further—perhaps permanent—damage.
At Spectrum, our team is trained in identifying and treating all types of render, old and new, as well as handling a vast range of stains and organic buildup safely and efficiently. Our time-tested four-step cleaning process, known as P.A.S.T., involves formulating a bespoke cleaning plan, complete with specially formulated biocide and 3D printed equipment.
We don’t take shortcuts: every Spectrum job is unique, and our operatives treat them as such. That way, we can work in the moment, adjusting to issues and unforeseen complications as they arise without letting them affect you, your tenants or your staff.
If you’re interested in having us help with cleaning before render painting, or if you’d like some advice regarding how to clean render before painting, get in touch! We’d be happy to offer guidance or provide a quote for our services.
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