Measure to the left and to the right of the chalk.
Cutting groove in concrete floor.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
This will make a 1 8 groove.
Most residential concrete floors are about 4 inches thick and contain steel reinforcement in the form of steel rebar and steel mesh.
Groove cutting is cutting the laid concrete providing grooves of size 5mm wide and one third of the thickness of the concrete or as required at site within 48 hours of laying of the concrete to form bays of 4mtrs x 4mtrs using heavy duty cutting machine with diamond cutting wheel and filling of the grooves with appropriate sealant.
It will be challenging to make the bottom of the groove smooth.
How to cut drain grooves in concrete.
Don safety glasses hearing protection and steel toed boots for protection.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Fill the groove with a good quality concrete caulk and slide a piece of vinyl flashing into the groove.
Don t force a blade into a cut.
The cuts should be made at a predetermined spacing and only after the concrete has obtained sufficient strength but before internal cracking begins.
Cut the groove as close to the wall as you can about 1 deep and angle it slightly further away from the wall at the end you want the water to flow.
Locate the area of the concrete floor where you would like to cut the channel.
Score the length of the cut three or four times with the chisel.
Forget about circular saws concrete blades and jackhammers.
Turn on the saw blade and.
Patience and careful chiseling will be required.
How to cut a shallow channel into a concrete floor.
Check to make sure there are no electrical or plumbing lines.
Saw cuts are a used to create control joints in concrete which help control where cracking occurs due to shrinkage.
Connect one end of a.
Snap a chalk line over the concrete where you want the center of the drainage groove.