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There are many different types of modern render. One similarity between the types of modern render is that they all have added properties, such as polymers and silicone. The added properties make them more breathable, water-repellent, as well as UV and crack resistant.
The maintenance of modern renders is often easier and does not have to be done as regularly as traditional methods. They are low maintenance because they are water repellant - for example, the silicone render will only require an occasional pressure wash. Thanks to this, modern render's maintenance costs are often cheaper, as they need minimal preservation.
The additives in modern render mixtures can help to discourage algae growth. They also allow for normal structural movement of the building without causing cracks. Some of the modern renders can last over 25 years without any maintenance.
Although modern renders allow for breathability, their water-resistance means they’re the wrong choice for old buildings. That is because old buildings were built with water absorption and evaporation in mind to keep their structure intact.
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Some of the more popular types of modern render are:
1. Acrylic Render
Acrylic Render is a mix of the traditional sand and cement render with added plastics. Those plastics improve both the breathability of the mix as well as its water-proofing properties.
What makes acrylic render stand out is its drying time. Acrylic render takes around two days to dry, which is much quicker than other types of render. Those can take up to 25 days to fully dry.
2. Polymer Render (Mineral Render)
Polymer Render is a cement-based render that has polymers mixed into it. The polymers support the material’s flexibility, permeability and weather-proofing quality. Thanks to this, polymer render is quite durable and can withstand corrosion better than traditional types of render. Polymer renders are also known as mineral renders.
One thing to consider when choosing polymer render is the weather. Wind and rain harm the application of the render. It’s essential to check the weather forecast before planning the process.
3. Silicone Render
Silicone render is a popular choice amongst property owners and building contractors. Its popularity is due to its longevity (up to 25 years without maintenance), flexibility and water-proofing characteristics.
Although it is more expensive than other renders, it is easy to apply and can last for years with only little maintenance.
Find our more about our specialist render cleaning process here.
4. Monocouche Render
Monocouche render is a thick coat cement-based render that has added silicones. Like all materials added to modern cement, silicones enhance the capabilities of the render, making it more breathable and weather-proof.
Made using white Portland cement, this render can be through-coloured. Thanks to this, monocouche render doesn’t need a layer of silicone paint on top. This way, even if the render is damaged or cracked, it is not very visible.
The two most popular traditional render types still used are cement and lime. Traditional render's popularity has been declining; however, lime-based render is still necessary for correct period property conservation.
The reason behind using lime render in contemporary times is the importance of breathability for old buildings. Properties from the pre-19th Century were built using lime mortar, stone, brick, timber and earth. All of these materials are absorbent - they soak up water, allowing it to evaporate before it reaches the interior walls.
This process cannot happen with cement render. Traditional sand and cement render is one of the cheapest options materials-wise. However, it is pretty limited and cannot be applied on many substrates.
It requires multiple layers, a lengthy drying time, and a top layer of paint for it to look its best. Although the materials are cheaper, labour can be more expensive, requiring more time and physical effort.
There are many different methods of cleaning modern render. The process used depends on the cause of discolouration and staining and the type of modern render used.
Although it is often recommended for modern render to get cleaned through jet-washing, this method is not always suitable. At Spectrum, we have developed a system that uses steam washing instead. This method cleans the property to the highest standard without the risk of damaging the render.
Methods of cleaning modern render include:
To learn more about cleaning modern render and our patented P.A.S.T. cleaning technology, click here. You can also get in touch with our render cleaning team at Spectrum to discuss your options and book a free sample clean.
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