Considerations cutting through a concrete floor should be a last resort.
Cut out concrete floor.
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Once the concrete is out you can dig in the remaining trench to remove the sand or soil before running the new plumbing.
While these advantages make it great for a garage basement or.
Score the length of the cut three or four times with the chisel.
Thick and reinforced with rebar you can spend a day accomplishing very little.
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.
How to cut a shallow channel into a concrete floor.
Fortunately for a few hundred bucks you can hire a concrete cutting subcontractor to cut out a pad opening in about an hour.
Cutting hollow concrete block first score the line.
A concrete floor is designed to be sturdy and strong and take a lot of abuse.
A 7 circular saw for instance can only cut to 2 inches deep meaning you ll need to sledgehammer the rest of the concrete away.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
You get the picture.
To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab.