Wire Sawing in Essex

Wire sawing cuts through deep, thick and awkward concrete sections that no fixed blade can reach, using a loop of diamond wire driven around the section. We wire saw across Essex on mass concrete, heavy beams, columns and foundations where the material is simply too big for a saw.

What is wire sawing and how does it work?

Wire sawing is a diamond cutting method that uses a flexible cable instead of a rigid blade. The wire is a steel cable strung with diamond-impregnated beads, looped around the section and driven at speed by a powered flywheel.

As the loop tightens and runs, the beads abrade a path through the concrete. Because the wire is flexible, the loop can be routed around a beam, a column or a buried section that a straight blade could never approach.

The cut is water cooled to control heat and dust. The method is non-percussive like the rest of our concrete cutting methods across Essex, so the section is not shock loaded, which matters when the thing being cut is holding weight until the moment it comes free.

When do you need wire sawing?

You need it whenever the section to be cut is beyond the reach of a blade, which usually means thick, deep, heavily reinforced or an awkward shape. It is the method for the jobs the other saws cannot do.

Typical work includes mass concrete foundations and bases, thick retaining walls, heavy transfer beams, reinforced columns, and bridge and marine structures. It also covers cutting large sections free for a controlled lift.

It comes into its own on removal and demolition, where wire sawing lets a heavy element be cut into pieces sized for the crane or excavator, so the structure is dismantled in a planned sequence rather than knocked down.

What can we wire saw, and to what size?

We wire saw reinforced concrete, mass concrete, post-tensioned sections, heavy masonry and stone. The diamond wire cuts through dense reinforcement without the stalling that limits a blade.

There is no practical thickness limit for the sections we handle, because the wire loop can be made any size. Thick foundations, deep walls, large columns and heavy beams are all routine. What governs the job is the rigging, the access for the wire and flywheel, and how the cut piece is going to be lifted away.

On the heaviest removal work, wire sawing sits alongside our controlled demolition, bursting and cut-and-lift methods, which together take a structure apart in pieces rather than bringing it down in one go.

Keeping wire sawing clean and safe

Wire sawing is water cooled, and that water suppresses the dust from cutting concrete at source, keeping the respirable silica bound in slurry rather than airborne. The wire itself runs inside guarding for the duration of the cut.

On the heaviest sections the real safety question is control of the piece being cut. We plan the cut sequence and the lift together, so the section is supported or restrained right up to the point it comes free, and never left to move unexpectedly.

Where the work forms part of a demolition, the method and sequence follow recognised demolition practice, and heavy lifting is planned with the client and the lifting contractor before the wire ever goes on. Nothing is cut until it is clear where it is going.

Our wire sawing process, step by step

First we survey and plan. We assess the section, the reinforcement, the access for the wire and drive unit, and crucially how the cut piece will be lifted or lowered away.

Next we rig the wire. Pulley and drive positions are set, feed holes are drilled where the wire has to pass through the structure, and the loop is threaded and tensioned around the cut line.

Then we cut. The wire is driven and fed through the section with the water running, the tension managed as the cut opens up, and the piece supported as it comes free.

Finally the section is lifted or lowered clear by the agreed method, the area is cleared and cleaned down, and the structure is left ready for the next stage of the works.

Where we carry out wire sawing in Essex

We wire saw across Essex from our base in Leigh-on-Sea, covering the coastal towns, the Thames-side industrial areas and the county towns inland.

Southend, Basildon, Chelmsford, Grays, Rayleigh, Benfleet, Canvey Island and Brentwood are all within our normal working area, along with the towns in between. The industrial and infrastructure stock along the Thames corridor, with its heavy bases and thick sections, is where wire sawing earns its keep.