Supporting the reinforcement

Various types of bar-chairs are used to support the reinforcement. In turn, these provide the minimum amount of concrete edge cover.

Photo of a round bar chair.

Slab on ground plastic bar chairs

This type of bar chair is used for reinforcing slabs that are:

  • cast against the ground
  • on plastic sheeting.
Photo of a plastic bar chair.

Trench mesh support

This type of plastic bar chair is used in strip footings.