What is Self-Levelling Concrete (SLC)?
Self-leveling concrete is a modified high-performance type of concrete, that is made up of polymer, and can not only flow or compact but when poured over an area, also creates a leveled surface by itself.
What makes this concrete different from others, is it doesn’t require a separate vibration, that is required with normal concrete construction, nor compaction.
It is thus considered one of the best concretes for a building. It also has many other benefits and properties that make the decision to use it, much easier.
Properties of a SLC
SLC is designed to offer a lot of stability. It has a low level of segregation, low bleeding, low plastic viscosity, and high flowability.
The fact that it has a low plastic property, increases its flowability naturally. It thus imparts self-leveling properties, which is why it can level and set by itself.
Apart from this benefit, however, this can also cause the proportion and balance of the concrete to mix. While this might help the concrete to design itself, it also provides a low viscosity of the mixture, which may result in stability issues, if not poured properly or monitored.
The polymer agents in the SLC, allow for this entire process to take place, including the low viscosity and higher rates of flowability, which, if poured right, will still be able to maintain stability.
The viscosity agents also help aggregate the causes of segregation, as well as keep the cohesiveness in the bond, which prevents it from bleeding.
The benefits of using SLC
Some of the biggest benefits of self-leveling concrete include an ease of application, less required labor, it creates a more leveled surface, as well as a water-resistant surface.
SLC is also the best type of concrete that has an arranged formwork, it is the best choice of reinforced concrete construction, has a comprehensive strength that is higher than the average concrete.
More benefits are that the hardening process of SLC happens in a homogenous manner, it allows for a flatter, more evenly distributed, smooth concrete surface, and it also serves as a cohesive concrete.
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