Cutting Cement Slab

Before you start saw cutting concrete is important to select where these cuts will be done.

Cutting cement slab.

How to cut a concrete floor for new plumbing. A circular saw with a masonry blade can also be used to either score or completely cut through the block. Slicing through slabs thicker than six inches is best left to a pro but anything less than six inches a depth that would include most concrete walls patios and sidewalks can be cut by a. 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.

If you need to make a cut in a concrete paver the old fashioned way of doing it requires the fewest tools. The following list details the different ways you can go about cutting concrete paver slabs to suit your needs. 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.

Cutting concrete all the way through meanwhile is a bigger job made harder the older the concrete is. It is recommended to start saw cuts on or at the center of column lines. Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer. Cutting hollow concrete block first score the line.

Score the length of the cut three or four times with the chisel. During new construction the builder installs drain lines and stubs that will connect to future plumbing fixtures before he pours the slab on grade. 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. Cut pavers the old fashioned way.

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