Cutting Cement Slab

These joints should be cut in a quarter of the depth of the concrete slab during the very beginning of the curing process within 24 hours of the initial pour.

Cutting cement slab.

Score the length of the cut three or four times with the chisel. Cutting concrete all the way through meanwhile is a bigger job made harder the older the concrete is. Cutting depth your local building authority might have a regulation controlling joint depth but if not a standard rule of thumb is to cut to a depth that is at least one quarter of the slab s thickness. Next set the saw s blade depth to 2 inches and attach a 7 inch diamond blade using vice grips so that the teeth point in the opposite direction of movement.

During new construction the builder installs drain lines and stubs that will connect to future plumbing fixtures before he pours the slab on grade. Do pond cure concrete slabs. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. Before you start saw cutting concrete is important to select where these cuts will be done.

The following list details the different ways you can go about cutting concrete paver slabs to suit your needs. Where to saw cut concrete. However it does require some elbow grease and a sensible pair of safety glasses. Cutting hollow concrete block first score the line.

It is recommended to start saw cuts on or at the center of column lines. If you need to make a cut in a concrete paver the old fashioned way of doing it requires the fewest tools. A circular saw with a masonry blade can also be used to either score or completely cut through the block. Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer.

To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab.