Cutting Cement Slab

If you need to make a cut in a concrete paver the old fashioned way of doing it requires the fewest tools.

Cutting cement slab.

Cutting concrete all the way through meanwhile is a bigger job made harder the older the concrete is. 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 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. It is recommended to start saw cuts on or at the center of column lines.

A circular saw with a masonry blade can also be used to either score or completely cut through the block. Where to saw cut concrete. However it does require some elbow grease and a sensible pair of safety glasses. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.

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. To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab. How to cut a concrete floor for new plumbing. Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer.

During new construction the builder installs drain lines and stubs that will connect to future plumbing fixtures before he pours the slab on grade. Before you start saw cutting concrete is important to select where these cuts will be done. Cutting hollow concrete block first score the line. 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.