Score the length of the cut three or four times with the chisel.
How to cut a hole in concrete block wall.
Press the tip of the drill bit firmly against the surface of the block and press the drill s trigger.
The hole should be slightly smaller than the maximum width of the anchor.
Keep firm pressure on the drill during operation.
Mortar is commonly used to patch concrete and cinder block.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
I ve hammer drilled through concrete to sink anchors but a 4 inch diameter hole is a little intimidating until you have the right tool.
If necessary tap in lightly with a hammer.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
How to cut a hole in cinder block walls hunker.
These holes will mark the boundaries of the opening and help guide your cuts.
Draw the outline of your opening with a straight edge and a piece of chalk.
Expand the drill hole to accommodate the anchor.
5 line up the blade of a.
I just like to show you a little trick some time you have to install dryer went through the concrete walls all what you need is a cut off wheel and a littl.
Drill through each corner of your cutout using a rotary hammer equipped with a masonry bit.
Use a carpenter s.
The walls at our new place are 6 inch thick concrete it s an old naval base and we needed a few holes for vents.
Here s a few pictures of the right tool.
Remove any concrete dust then press the anchor into the hole until it is flush with the surface.
Chisel out any loose pieces of cinder block around the edges of the hole and brush away any loose debris with a nylon brush.
Obtain a building permit from your local building authority.
Don t force a blade into a cut.
If you do not obtain the necessary permit a building inspector may impose.