Plastic Bar Chair – BLOCKAID®


Plastic Bar Chair – BLOCKAID®

InfraBuild Construction Solutions (formerly LIBERTY OneSteel Reinforcing) supplies BLOCKAID® Plastic Bar Chairs, an easy-to-use plastic bar chair that is fitted into the top of a masonry block to securely locate the vertical and horizontal reinforcing steel. BLOCKAID® Plastic Bar Chairs ensure the accurate positioning of steel reinforcement, aligns control joint dowels and ensures construction meets engineering specifications. BLOCKAID Bar Chairs are suitable for 190mm and 290mm masonry blocks.

Typical Uses

  • Reinforced masonry block walls


  • Accurate positioning of horizontal and vertical reinforcement in masonry
  • Ensures construction meets engineers specification
  • Ensures adequate grout cover
  • Aligns control joint dowels

Relevant Standards

  • AS/NZS 2425:2015 – Bar chairs in reinforced concrete – Product requirements and test methods
  • AS3700:2018 Masonry Structures

To find out more about the BLOCKAID® Plastic Bar Chairs stocked at your local InfraBuild Construction Solutions please contact your nearest branch.


Product Code Masonry Block No. Per Box Mass (kg/Box)
BACL190 190 mm Non-centrally located 300 6
BANCL190190 mm Centrally located3006
BANCL290290 mm Non-centrally located2006

Please contact us for any feedback or media enquiries about this content.

How useful was this content?

Help us to serve relevant content to you:

Please tell us which of the following best reflects your occupation. Please check one or more.