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Which Type of Render Finish is Right for Your Home?

Rendering, or applying a finish to the exterior walls of a building, is a vital part of maintaining and improving your home’s aesthetic appeal. It makes your home look great and also offers an extra layer of protection against the weather. However, there are numerous types of rendering available, each with its advantages and properties. We’re going to discuss four popular types of render and different types of render finish: Monocouche, Silicone, Mineral, and Lime render.

Monocouche Render finish

Originating from France, Monocouche means “one coat”. However, despite the name, it is applied in two coats to achieve the required thickness which is around 15-17mm. The first pass allows for fibreglass mesh to be embedded which enhances the strength of the system. Monocouche render is a type of through-coloured render, meaning the colour permeates the entire render mix, not just the surface. This makes it incredibly resistant to the elements, and the colour does not fade over time.

Monocouche render is often applied using a spray machine, making it quicker and less labour-intensive than traditional render applications. The finished surface can be manipulated to create a variety of textures. This ranges from a scraped finish to a more stippled or roughcast look, depending on your preference.

This type of render is exceptionally low-maintenance due to its integrated colour and self-cleaning capabilities, which repel dirt and water. It’s also highly breathable, allowing moisture to escape from the structure, reducing the risk of dampness and other related issues.

Silicone Render finish

Silicone render is a premium option, known for its superior flexibility, which makes it resistant to cracking and damage from minor building movements over time. It is also incredibly water-resistant. As such it is less prone to algae and fungal growth, thereby maintaining a cleaner surface over longer periods.

The availability of different grain sizes allows you to decide the texture of your finish. Smaller grain sizes (such as 1-1.5mm) will give a very fine texture. However, larger grains (2-3mm) will result in a more noticeable aggregate finish. This variety in the finish, combined with a wide range of colours, makes silicone render a versatile choice for many different types of buildings. For example, our Silicone Render can be tinted to any custom, RAL, or NCS colour. For application purposes, the thickness of the render will be the same as the grain size chosen. Therefore, if you choose a 3mm grain size, the render will need to be at least 3mm thick.

An additional feature of silicone render is its self-cleaning property. The hydrophobic nature of silicone repels water, meaning rain droplets will pick up dirt particles on the surface and carry them away, helping to keep your building looking cleaner for longer.

Mineral Render

Mineral render is ideal for colder climates or time-critical projects, as it dries and sets much faster than other render types. This is due to the presence of cement in its composition, which enables it to cure quickly. However, because of its fast-drying nature, it’s typically applied only when temperatures are above freezing to prevent frost damage.

Mineral render also requires a final silicone or silicate-based paint finish to make it fully weather-resistant and prevent water absorption. But once this is done, you’ll have a robust, durable render that’s resistant to scratches and impact, as well as fungi and algae.

  • Monocouche Render (EWI-090) 25KG

    From £11.99 Excl. VAT
  • Silicone Render (EWI-075) – 25KG

    From £72.49 Excl. VAT
  • Mineral Render EWI-060
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    Mineral Render (EWI-060) – 25kg

    £32.09 Excl. VAT

Lime Render

Traditionally used in the restoration of historic or period properties, lime render has seen a resurgence in recent years due to its eco-friendly and breathable properties. Unlike other renders, lime render allows moisture within the building to evaporate quickly, reducing the risk of trapped moisture and potentially damp issues.

Despite its benefits, lime render requires specialist application techniques and longer curing periods, making it more time-consuming and costlier than other types of render. However, it offers a beautiful, mellow finish that weathers naturally over time, adding a unique character to any building.

Which render finish is the best?

When choosing a render type, consider your home’s needs, the local climate, your budget, and the aesthetics you’re aiming for:

  • Monocouche render provides a robust, weather-resistant finish with minimal maintenance required. It’s a versatile option for modern homes, offering various textures and a wide range of colours.
  • Silicone render is a premium, highly flexible option, perfect for homes exposed to various weather conditions. It’s also self-cleaning, helping to maintain the appearance of your property.
  • Mineral render is a quick-setting option, ideal for colder climates or projects with tight deadlines. However, remember that it requires additional sealing with paint to make it fully weather-resistant.
  • Lime render, while labour-intensive, offers superior breathability, making it perfect for older or period properties and those aiming for a more eco-friendly approach. Despite its higher cost and longer curing period, it provides a beautifully natural, weathered finish.

Brick slip stencils and wood effect render

Silicone Render has added benefits. It works alongside different stencils to create even more intricate finishes. For example, brick slip stencils can be attached to the wall and the cavities can be filled with silicone render tinted to any colour to effortlessly create a realistic brick effect. The stencils then peel away, revealing a professional-looking brick slip finish, with added benefits! As silicone render is spray machine compatible, the whole process takes just a few minutes. Crucially, they are also adaptable and therefore suitable for exterior and interior applications.

Moreover, imprint stamps create a wood effect finish. Whilst Silicone Render is still wet, a large stamp is pressed into the render to create veins synonymous with wood. If you have the render tinted to an earthy shade, the finish will mimic wood flawlessly.

  • Brick slip render finish
  • Brick slip stencil
  • Wood effect render finish

Do you have a favourite render finish? Do you want to know more about render finishes? Comment below to start the discussion.

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