How to install wire mesh in concrete

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How to install wire mesh in concrete

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Project Overview

We’ll teach you how to prepare reinforced steel before you pour your concrete. You’ll learn how to cut steel to size with an angle grinder as well as a simple way to tie steel together when you need to overlap it.
Continue to step-by-step instructions

Step by Step Instructions

1 Lay the reinforced steel in the trench
2 Extend a line of reinforced steel in the trench
  • Step 1. Lay the reinforced steel in the trench

    Lay a line of reinforced steel along the length of the trench. Then put the plastic bar chairs under the steel to raise it slightly off the bottom. The bar chairs should be placed in left and right pairs, every metre or so, the whole way down the trench.
  • Step 2. Extend a line of reinforced steel in the trench

    If your trench is longer than one piece of reinforced steel, lay a second piece to cover the gap. Measure the distance you need to span and use your angle grinder to cut a length of steel that is at least 500mm longer. Then lay the added length in position, prop it up on bar chairs and tie the overlapping sections together with joining wire. Once your whole trench is reinforced, you’re ready to pour your concrete.

Tools and Materials


  • Angle grinder
  • Bolt cutters
  • Ear muffs
  • Gloves
  • Joining wire
  • Measuring tape
  • Safety glasses
  • Wire cutter


  • Reinforcing bar chairs
  • Reinforcing steel

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