HomeTipsWhich render is the best for different types of housing?

Which render is the best for different types of housing?

House rendering is still cheapest practical way to finish a building’s facade. Exterior renders differ in their properties, composition, and application and therefore it is vital to select the right channel according to your target group. Today we will discuss the most popular types of rendering. We will also suggest how to explain how to pick the right one.

What are the factors affecting the choice of external render?

One of the most important selection criteria is the construction of exterior walls. For single-layer and three-layer walls, we usually use a thick-coat render. If, on the other hand, we are finishing a two-layer wall, then a thin-coat render may be a better option. In addition, we need to consider the composition and properties of the modern renders. Here a lot depends on the specifics of the building and the property location.

In the case of heavily sunny facades, we’ll need a coloured render with increased UV resistance, but in humid regions, it might be better to decide on waterproof house render.

When your house needs thick-coat render?

Thick-coat renders are used for one and three-layer walls. As the name suggests, after applying the plaster, the final layer is thick and is 2-3 cm. We can divide thick-coat render into cement-lime render and cement render. Cement-lime ones are cheaper and easier to apply due to the slow plaster setting time. They are resistant to mechanical damage but can be susceptible to moisture. They have a slightly rough texture.

Standard cement renders are more expensive, durable, and resistant to moisture. Due to incredibly fast drying, the cement type of rendering is more difficult to apply. Inadequate preparation before conventional render application could contribute to cracking and letting the plaster dry out too fast between coats. Both cement and cement-lime renders can be laid in a smooth layer or with an aesthetic texture.

What can thin-layer render be used for?

Thin-layer renders are used as the two-layer walls but also can serve as the final layer of external walls pre-finished with thick-coat rendering system. They offer a wider range of colors or textures, and can be applied in thin layers 2-10 mm thick.

A very popular and relatively inexpensive type of thin-layer rendering is mineral render. It contains cement and polymers that effectively increase adhesion. However, the weakness is its limited range of colors (however, we can paint them with a vapor-permeable paint), and they absorb rainwater, which means a greater risk of unsightly stains.

Arylic, silicate and silicone render

Thin-layer renders come in different varieties, which we choose depending on the specifics of the building and regional conditions. Very popular are also flexible acrylic type of render, resistant to cracking, little absorption, vapor permeable, and at the same time less susceptible to dirt. Acrylic renders are very often chosen to finish walls insulated with polystyrene foam. A special, decorative variety of acrylic rendering systems is mosaic or monocouche render.

Silicate renders contain water glass and plasticizers. Thin-coat silicone is vapor-permeable, durable, and ideal for filling surface imperfections. However, they are sensitive to weathering and prone to the growth of microorganisms. Also worth mentioning are silicone render, regarded as ‘self-cleaning render’, which combines the advantages of mineral, acrylic, and silicate ones. However, silicone rendering is the most expensive of the group of all thin-layer renders. Importantly, silicone renders allow application in low temperatures.

How to choose the right rendering system for your home?

Ready-made home plans include colors and finishes selected by the architect. Nothing stands in the way of making adjustments at the stage of project adaptation, as dictated by the specifics of the plot and the investor’s expectations. Therefore, it is worth discussing this issue with Rendad – rendering specialists already at the adaptation stage and choosing the right type of rendering according to your needs. You can use the extensive palette of manufacturers with samples.

Nicholas Saliha
Nicholas Saliha
Nick is one of the senior members of our Trade Granite Supplies blog. He composes all of our articles, once our research team provides him enough material to work with. Formerly, Nick worked at a company that dealt with sale of tools for manufacturing firms: blades, safety equipment, grinders etc. Therefore his knowledge in the topic of granite or quartz manufacturing is very extensive. Nowadays, Nick is the manager of his local kitchen supply store. In his free time, he develops and builds our blog – not only to build his portfolio and CV, but also to stay on top of all relevant kitchen design trends.
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