Cover blocks and Why we must use cover blocks

Cover block

Cover blocks are used to maintain a specified distance between the TMT rebar and the shuttering.

Why we must use cover blocks
  • When doing RCC work it is important to embed the steel in the concrete (also known as cover) so that the rebar doesn’t corrode and to provide fire protection to the rebar.
  • If we don’t provide the recommended cover the rebar will corrode with time and will ultimately result in premature failure of the structure.
  • Thus using cover blocks enhances the life of the structure significantly without adding much to the cost.

 

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