Yes, you can cut a concrete curb with a cut-off saw when no walk-behind saw is available. Use a 350-450 mm laser-welded blade on a heavy cut-off saw, clamp a straight edge as a guide, and cut the curb face in two passes — first a shallow score, then full depth. For small curb cuts (gutter tie-ins, wheel ramp cuts), a 230 mm angle grinder with a turbo blade also works but needs more passes. Depth is limited to about 1/3 of blade diameter, so for deep curbs cut from both sides.
| Feature | Cut-Off Saw | Walk-Behind |
|---|---|---|
| Portability | Excellent — tight spots | Needs flat run area |
| Blade size | 350-450 mm | 450-600 mm |
| Cut depth | ~1/3 diameter, 100-150 mm | 150-200 mm |
| Cut quality | Good with guide | Straight, guided |
Use a laser-welded concrete blade for curb work — it handles the aggregate and any rebar. For thin gutters and light cuts, the turbo dry blade on a grinder works.
A>Yes, for shallow cuts (up to 70 mm deep). Score first and take multiple passes for deeper cuts.
A>About 120-130 mm in one pass. For deeper curbs, cut from both sides.
A>Many curbs are unreinforced, but if you hit rebar, slow down — a laser-welded blade cuts through it.
A>Yes, with a free-hand cut-off saw, but score the curve first and cut slowly.
A heavy cut-off saw with a laser-welded blade cuts curbs cleanly without a walk-behind machine. Browse our concrete blade range for curb and gutter work.
