Cutting A Concrete Slab

Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer.

Cutting a concrete slab.

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. Cutting hollow concrete block first score the line. 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.

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

The following list details the different ways you can go about cutting concrete paver slabs to suit your needs. It is recommended to start saw cuts on or at the center of column lines. 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. 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 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. 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. Using a metal jointing tool the control joints can be easily and smoothly cut into the concrete surface as the appropriate distances in the slab.