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What is a CLC Block?

Published in Cellular Lightweight Concrete 2 mins read

A CLC block is a lightweight construction material made from cellular lightweight concrete, also known as foam concrete.

Understanding CLC Blocks

CLC, which stands for Cellular Lightweight Concrete, is a specific type of concrete used to manufacture these blocks. Unlike traditional concrete blocks made from heavy aggregates, CLC blocks are significantly lighter due to the introduction of stable foam during their production.

Based on the reference, here's how they are defined:

  • Composition: CLC Blocks are a Cement Bonded Material.
  • Manufacturing Process: They are made by blending Slurry of Cement. Into this cement slurry, stable, pre-formed foam manufactured on site is injected. This injection of foam creates the cellular structure that makes the concrete lightweight.
  • Material Base: Consequently, CLC blocks are specifically made from cellular lightweight concrete or foam concrete.

This process results in blocks that have millions of tiny air cells uniformly distributed within the cement matrix, giving them their characteristic lightness and unique properties.

Key Characteristics

CLC blocks possess several properties that make them suitable for various construction applications:

  • Lightweight: The primary characteristic, making them easier to handle and reducing structural load.
  • Thermal Insulation: The air pockets provide good insulation against heat transfer.
  • Sound Insulation: They can also help in reducing sound transmission.
  • Fire Resistance: Cement-based materials generally have good fire resistance.

Practical Applications

Due to their lightweight nature and insulating properties, CLC blocks are commonly used in:

  • Non-load-bearing walls
  • Partition walls
  • Thermal insulation layers
  • Boundary walls

In essence, a CLC block is a modern, lightweight building unit derived from a unique form of concrete created by incorporating foam into a cement slurry.

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