A circular saw with a masonry blade can also be used to either score or completely cut through the block.
How to cut through poured concrete wall.
This is the first cut through the wall.
A circular saw is used to make entry through a cinder block wall into the future waiting room of a hospital.
Score the length of the cut three or four times with the chisel.
This process took approximately one hour to complete.
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.
That s a hydraulic hand saw probably cutting 10 deep by making 5 passes of 2 ea pro s use a diamond ring saw 14 20 24 hand saws track mounted wall saws 16 horizontal ft suggests wall saw hand saw for the vert cut s figure 4 5 per inch foot in atl.
The contractor was able to cut from the house sill framing to the concrete footing at the bottom.
Get a friend to hold one end while you hold the other and run the line over the region to be cut.
Line up the blade of a concrete saw over the marks on one side of the wall.
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.
I dug the dirt outside the foundation wall 10 deeper than i would normally dig.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
When you re cutting concrete that is already poured and finished use a chalk line to mark the region.
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.
6 move to the other side of the.