Designate the area of finished concrete to be cut using chalk lines.
How to cut through poured concrete wall.
This process took approximately one hour to complete.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Line up the blade of a concrete saw over the marks on one side of the wall.
This is the first cut through the wall.
If you are working with a concrete block foundation wall rather than solid concrete you may be able to use a carbide tipped core bit on a hammer drill to cut through the block walls.
Get a friend to hold one end while you hold the other and run the line over the region to be cut.
The contractor was able to cut from the house sill framing to the concrete footing at the bottom.
Don t force a blade into a cut.
My plan here was to bury the knocked out concrete wall slab under the future concrete floor.
A circular saw is used to make entry through a cinder block wall into the future waiting room of a hospital.
Once both sides ware cut he used a sledge hammer and some wedges to knock the wall out of position and into the pre dug hole awaiting outside.
6 move to the other side of the.
Start at the top of the opening and cut carefully along the lines you made on the wall.
When you re cutting concrete that is already poured and finished use a chalk line to mark the region.
Lift the line simultaneously from each end and slap it to the ground.
I dug the dirt outside the foundation wall 10 deeper than i would normally dig.