Cutting Cement Slab

A circular saw with a masonry blade can also be used to either score or completely cut through the block.

Cutting cement slab.

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. 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. Cut pavers the old fashioned way. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.

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

If you need to make a cut in a concrete paver the old fashioned way of doing it requires the fewest tools. 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. Do pond cure concrete slabs. Before you start saw cutting concrete is important to select where these cuts will be done.

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. How to cut a concrete floor for new plumbing. The following list details the different ways you can go about cutting concrete paver slabs to suit your needs. During new construction the builder installs drain lines and stubs that will connect to future plumbing fixtures before he pours the slab on grade.

Cutting concrete all the way through meanwhile is a bigger job made harder the older the concrete is.