Rebar and Wire Mesh: Which Reinforcement Works in Nashville and Middle Tennessee
Finish and material guide

Rebar and Wire Mesh: Which Reinforcement Works

Steel keeps cracks tight and slabs working together. Here is how rebar, wire mesh and fibers compare.

Concrete is strong when it is squeezed but weak when it is pulled apart, and steel reinforcement makes up for that. Rebar is a bar of steel, laid in a grid, that holds cracked sections together. Wire mesh is a lighter grid that helps control small shrinkage cracks. Fibers are mixed into the concrete to cut down on tiny surface cracks.

Placement matters more than people think. Steel that sits on the ground does very little, and it should be supported on chairs so it lies in the middle of the slab. Spacing, size and overlap all count. Heavy-use slabs, foundations and walls should have rebar, while lightly loaded slabs may use mesh or fibers. We recommend what suits the job, and explain why.

Best for

  • Driveways and aprons
  • Foundations and walls
  • Patios and sidewalks
  • Commercial and industrial slabs

Strengths

  • Rebar holds cracks tight
  • Mesh is economical
  • Fibers reduce surface cracks
  • Right steel extends slab life

Keep in mind

  • Rebar adds cost and labor
  • Mesh is easily misplaced
  • Fibers do not replace structural steel
  • Poor placement defeats the purpose
The details

What defines Rebar and Wire Mesh

Rebar

Strong and structural.

Wire mesh

Light and economical.

Fibers

Cut surface cracks.

Spacing and size

Matched to loads.

Supported on chairs

Mid-slab, not on the ground.

Right for the use

We explain why.

Questions

Rebar and Wire Mesh FAQ

Do all slabs need rebar?

Not all, but driveways, foundations and heavy-use slabs usually benefit from it.

Is wire mesh enough?

For light loads, it can be. For heavy use, rebar is usually better.

Why use chairs?

They hold the steel in the middle of the slab, where it does its work.

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