Asked by: Prado Garfella
asked in category: General Last Updated: 22nd April, 2020

What is the spacing for rebar chairs?

48 inches

Click to see full answer.


In this way, what is the maximum spacing of bar chairs?

Bar chairs must be spaced at not more than 800 mm centres for steel fabric.

Beside above, what is chair spacing in civil engineering? The vertically put L shaped or C shaped spacers between two horizontal rufts of reinforcements are known as Chairs. To keep the reinforcement in particular prescribed distance. It kinda looks like L or C shape structure.

Simply so, are rebar chairs necessary?

The type of and intended use of concrete impacts the need for rebar reinforcement. Rebar must be placed at the center of or slightly above the center of the concrete slab—hence why it should be a certain thickness for best results. “Chairs” is a term used to define supports placed beneath rebar grids to prop them up.

What are rebar chairs used for?

Rebar chairs, or similar devices, are used to prop up the rebar, separating it from the concrete form or subbase, so that the rebar is embedded in the concrete to the specified cover depth.

30 Related Question Answers Found

How many bar chairs do I need?

Why are bar chairs used when laying steel reinforcement?

What are bar chairs?


How do you overlap concrete mesh?

Do you need rebar for 4 inch slab?

What's the difference between a concrete slab and a cement slab?


Why do we put chair in slab?

Does rebar prevent cracking concrete?

Does my driveway need rebar?


Does rebar strengthen concrete?

Where should rebar be placed in a slab?

Will crushed concrete harden?


What are concrete spacers?