Cutting Lines In Concrete Floor

Check to make sure there are no electrical or plumbing lines running beneath the desired channel.

Cutting lines in concrete floor.

The blade that i am using is a bosch db741c 7 inch premium segmented diamond blade. Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer. A 4 thick slab should have joints 1 deep. It is recommended to start saw cuts on or at the center of column lines.

Cutting hollow concrete block first score the line. A circular saw with a masonry blade can also be used to either score or completely cut through the block. Apply the line as thick as possible. This is noisy and can be time consuming depending on the amount of steel.

Set the diamond blade on the concrete wet saw to a depth of 4 1 2 inches and cut along both chalk lines. Cut joints deep enough cut joints 25 of the depth of the slab. Apply the line as thick as possible. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.

Concrete is one of the most common items you will find in a sidewalk slab foundation or even in different areas of the cities. However one thing that you will see in a lot of these concrete settings even in the parks is the fact that you are going to have a chance to see the concrete tends to have lines that are cut into it at different spaces. Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk. Score the length of the cut three or four times with the chisel.

Where to saw cut concrete. Saw cutting cuts joints as soon as the concrete is hard enough that the edges abutting the cut don t chip from the saw blade. Place joints under walls or under carpet areas. In this video we are cutting concrete with a circular saw aka skil saw.