|
Registered
Join Date: Jun 2000
Location: bottom left corner of the world
Posts: 22,915
|
Other than it being 3.5" or 4" (not much difference) it's a case of how hard the concrete is. Some place where it doesn't matter, you could try whacking away at it it a cold chistle and hammer. Only a few millimeters (5mm or at the most 10mm) should be able to be chipped off if it's good stuff.
|