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When it comes to building construction, render is a crucial component that helps to protect the building from external elements such as rain, wind, and sun. Render is a mixture of sand, cement, and water that is applied to the exterior walls of a building. However, there are two types of render that are commonly used in construction: lime render and cement render. In this article, we will discuss how to identify whether render is made of lime or cement.
- Look at the Color
One of the easiest ways to identify whether render is made of lime or cement is by looking at the color. Lime render is usually white or off-white in color, while cement render is grey or beige. However, it is important to note that the color of the render can be affected by the type of sand used in the mixture.
- Check the Texture
Another way to identify whether render is made of lime or cement is by checking the texture. Lime render has a smoother texture and is less gritty than cement render. Cement render, on the other hand, has a rougher texture and is more gritty.
- Conduct a Scratch Test
A scratch test can also be used to identify whether render is made of lime or cement. Simply scratch the surface of the render with a sharp object such as a knife or screwdriver. If the surface is hard and difficult to scratch, it is likely to be cement render. If the surface is soft and easy to scratch, it is likely to be lime render.
- Look for Cracks
Cracks can also be a sign of whether render is made of lime or cement. Lime render is more flexible than cement render, which means it is less likely to crack. If you notice cracks in the render, it is likely to be cement render.
In conclusion, identifying whether render is made of lime or cement can be done by looking at the color, texture, conducting a scratch test, and looking for cracks. By knowing the difference between lime and cement render, you can make an informed decision when it comes to choosing the right type of render for your building.
