Lime render is a type of render that is made from a mixture of lime, sand, and water. It is a traditional building material that has been used for centuries to protect and decorate the exterior of buildings. Lime render has several unique properties that make it suitable for certain applications, and it is important to understand when it should be used.
One of the main benefits of lime render is its ability to breathe. Lime render is porous, which means it is able to absorb and release moisture. This can be important in areas with high humidity, as it helps to regulate the moisture content of the building’s exterior and prevent damage from moisture accumulation. Lime render is also more flexible than cement-based render, which makes it less prone to cracking and more able to withstand movement in the building’s structure.
Lime render is also a good choice for historical buildings or those with traditional architecture. Lime render is more compatible with older building materials and can help to preserve the character and appearance of a building. It is also less abrasive and less likely to cause damage to the underlying surface than cement-based render.
Lime render should be applied to a building when the weather is dry and the temperature is above 10°C (50°F). It is important to avoid applying lime render in cold or damp conditions, as it will not cure properly and may result in a weak, unstable finish. It is also important to ensure that the surface of the building is clean and dry before applying lime render, as any dirt or moisture will affect the adhesion of the render.
When applying lime render, it is important to follow the manufacturer’s instructions and use the correct mixing ratio. Lime render should be mixed with clean, potable water and left to soak for a few hours before use. It should then be applied in thin, even layers, using a trowel or plastering float. Lime render should be allowed to cure for a few days before it is painted or decorated, as it needs time to harden and achieve its full strength.
Overall, lime render is a versatile and durable material that is well-suited for use on a wide range of buildings. It is important to understand when it should be applied and to follow the proper application and curing procedures to ensure a strong and long-lasting finish.