Mortar is commonly used to patch concrete and cinder block.
How to cut a hole in concrete block wall.
Draw the outline of your opening with a straight edge and a piece of chalk.
Keep firm pressure on the drill during operation.
Expand the drill hole to accommodate the anchor.
Use a carpenter s.
If you do not obtain the necessary permit a building inspector may impose.
Don t force a blade into a cut.
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.
Obtain a building permit from your local building authority.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Here s a few pictures of the right tool.
These holes will mark the boundaries of the opening and help guide your cuts.
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.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Press the tip of the drill bit firmly against the surface of the block and press the drill s trigger.
Remove any concrete dust then press the anchor into the hole until it is flush with the surface.
Match the correct anchor size to that of the concrete screw.
Score the length of the cut three or four times with the chisel.
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.
How to cut a hole in cinder block walls hunker.
Step 2 combine a mortar mix with water in accordance with the mortar instructions.
If necessary tap in lightly with a hammer.
Drill through each corner of your cutout using a rotary hammer equipped with a masonry bit.
The hole should be slightly smaller than the maximum width of the anchor.