Cutting Cement Slab

Where to saw cut concrete.

Cutting cement slab.

Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer. 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. A circular saw with a masonry blade can also be used to either score or completely cut through the block. 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.

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 your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. If you need to make a cut in a concrete paver the old fashioned way of doing it requires the fewest tools. Cut pavers the old fashioned way.

Before you start saw cutting concrete is important to select where these cuts will be done. How to cut a concrete floor for new plumbing. Cutting concrete all the way through meanwhile is a bigger job made harder the older the concrete is. To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab.

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. Cutting hollow concrete block first score the line. 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.

However it does require some elbow grease and a sensible pair of safety glasses.