For a pro look, you might want to equip yourself with a curb trowel from Amazon or your local hardware. Alternatively, you can install concrete edging stones, such as these overlapping Bullet ...

A hate for edging can spread like a ... along exterior walls is the result of concrete contractors having to hand-finish edges because their power trowels couldn't get close enough to the edge ...

The trowel goes beyond the limitations of gas and power-cord units, giving concrete contractors the power to pan and finish with unmatched control and no gas headaches. Updated on Aug. 22 ...