Table of Contents
Self-leveling concrete is a polymer-modified high-performance concrete that has the ability to flow, compact, and provide a leveled surface when poured over an area. Self-leveling concrete does not require vibration as required for normal concrete.
It is poured in liquid form and goes down 1/4 to 1.5 inch thick in single pass. A gauging tool is used to spread it in place. Qualities include smoothness, flatness and a compressive strength over that of traditional concrete floors. After you apply it, you can add decorative overlays or concrete stains or dyes.
Self-leveling overlays are among the newest trends for architects and commercial property owners. It is quick to install and can be installed pre or post construction. It can cover plywood or tile floors as well, and is flood proof and hypoallergenic.
The low plastic property of SLC increases the flow ability properties which imparts the self-leveling property. The balance and proportion of the above-mentioned properties in mix design help to design the desired SLC concrete.
Providing low viscosity of the concrete mix can result in stability issues. This can result in high segregation and bleeding problems. This low viscosity or high flow-ability is introduced by the addition of super plasticizes or polymer agents that maintain stability without affecting the flow-ability characteristics.
High-homogeneity is received by self-leveling concrete with its self-leveling property. The flow-ability properties of SLC are greater as compared with (SCC) self-compacting concrete. This increase in flow-ability is one reason to obtain good finish in final hardened SLC
The viscosity agents added prevents the settling down of aggregates that cause segregation and keep the cohesiveness of the mix within the bond which in turn helps in avoiding bleeding. Maintain the viscosity throughout the layer without letting the aggregates to settle at the bottom.
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