Concrete Block Chairs – Plain


Concrete Block Chairs – Plain

Concrete block chairs supplied by InfraBuild Construction Solutions (formerly LIBERTY OneSteel Reinforcing) are used as a high-load spacer in slab-on-ground steel reinforcement projects. InfraBuild Construction Solutions concrete block chairs are available in sizes 65 x 50 x 32mm up to 115 x 100 x 90mm and are heat tolerant with a flat base to eliminate tilting and rolling.

InfraBuild Construction Solutions' concrete block chairs meet the requirements of AS/NZS 2425:2015 – Bar chairs in reinforced concrete – Product requirements and test method.

Typical Uses

  • Slab-on-ground steel reinforcement


  • Available in a wide variety of sizes
  • Multiple heights

Relevant Standards

  • AS/NZS 2425 Bar chairs in reinforced concrete – Product requirements and test method

To find out more about the concrete block chairs stocked at your local InfraBuild Construction Solutions please contact your nearest branch.


Product Code Dimensions (mm) No./Bag Mass (kg/Bag)
CB653 65 x 50 x 32 50 12.5
CB65465 x 50 x 405015
CB75475 x 50 x 40259
CB76575 x 65 x 502515
CB77775 x 75 x 751515
CB1077100 x 75 x 751013
CB1119115 x 100 x 901020

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