Concrete Cover is also known as Spacers which is used to provide spacing at Slab, Column, Beam & foundation. Application is very simple as place between Rebar (Reinforcement bar) and ground/wall. There are four types of cover block or Spacers! 1. Slab Cover 2. Column & Beam Cover 3. Foundation Cover 4. Piling Cover Why need covering 1. to protect the steel reinforcement bars ( rebars) from envt effect to prevent their corrosion . 2. To provide thermal insulation ,whiche protect the reinforcement bars from fire. 3. To give reinforcing bars sufficient embedding to enable them to be stressed with out slipping https://t.me/ethioengineers1 3.8K viewsENG Sintayehu Melese, edited 17:04
