Cutting Lines In Concrete Floor

Cutting hollow concrete block first score the line.

Cutting lines in concrete floor.

In this video we are cutting concrete with a circular saw aka skil saw. Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk. This is noisy and can be time consuming depending on the amount of steel. Place joints under walls or under carpet areas.

Before you start saw cutting concrete is important to select where these cuts will be done. A 4 thick slab should have joints 1 deep. Set the diamond blade on the concrete wet saw to a depth of 4 1 2 inches and cut along both chalk lines. It is recommended to start saw cuts on or at the center of column lines.

Score the length of the cut three or four times with the chisel. Concrete is one of the most common items you will find in a sidewalk slab foundation or even in different areas of the cities. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. 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.

The blade that i am using is a bosch db741c 7 inch premium segmented diamond blade. 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. Locate the area of the concrete floor where you would like to cut the channel. Apply the line as thick as possible.

Where to saw cut concrete. How to cut joints groover tools cut joints in fresh concrete. Joints shall be spaced at 24 to 36 times the slab thickness but this need to be confirmed by a structural engineer. Apply the line as thick as possible.