Wire Sawing vs Flat Sawing: Which Method Do You Need?
Wire sawing and flat sawing are both diamond cutting methods for reinforced concrete — but they work differently, suit different applications, and have different depth capabilities. Choosing the wrong method means either a job that can’t be completed or a more expensive approach than necessary.
What Is Flat Sawing?
Flat sawing uses a large circular diamond blade on a self-propelled machine to cut horizontal surfaces — floor slabs, road surfaces, bridge decks. Modern flat saws achieve depths up to 600mm. It is fast, accurate and the standard method for joint cutting, slab removal, trench cutting and expansion joints. It requires a flat working surface and sufficient overhead clearance.
What Is Wire Sawing?
Wire sawing uses a continuous loop of diamond wire threaded through pulleys and driven at high speed over the cutting surface. The wire can be threaded through pre-drilled holes and around complex shapes — giving it no effective depth limitation and the ability to cut in orientations no blade can reach. Wire sawing is used for mass concrete removal, deep cuts beyond 600mm, heavily reinforced elements, and cuts in confined spaces or at unusual angles.
| Factor | Flat Sawing | Wire Sawing |
|---|---|---|
| Max depth | 600mm | No practical limit |
| Orientation | Horizontal only | Any orientation |
| Speed | Fast | Slower |
| Best for | Slab cutting, joints, trenches | Deep cuts, mass concrete, complex geometry |
BritCut carries out both flat sawing and wire sawing across the UK, along with wall sawing, ring sawing and track sawing. All works include pre-works ferro scanning as standard. Call us on 01322 221533 or request a free quote. View our concrete cutting locations.
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Ferro & GPR
Scanning
Locate rebar, post-tension cables and embedded services before you drill or cut. Reduce risk, avoid costly damage and work with confidence.
Diamond Drilling
Services
Precise core drilling for concrete and masonry. From small penetrations to large openings, we deliver clean, accurate results without damage or delays.
Fire Stopping
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Compliant fire stopping solutions to seal penetrations and maintain fire integrity. Installed correctly, documented properly and built to last
Concrete Cutting
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Controlled cutting for slabs, walls and structures. Fast, accurate and carried out safely with minimal disruption on site.
Robotic Demolition
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Remote-controlled demolition for high-risk or restricted areas. Safer, more precise and ideal where traditional methods fall short.
Concrete Sawing
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Flat sawing, wall sawing, wire sawing and ring sawing. Water-cooled, dust-controlled cutting for slabs, walls and structures.
Soft Strip
Demolition
Careful removal of all non-structural fit-out including suspended ceilings, partitions, M&E services and raised floors prior to refurbishment.