Cutting Groove In Concrete Floor

Forget about circular saws concrete blades and jackhammers.

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. Therefore the timing of saw cuts is critical. Connect one end of a. Locate the area of the concrete floor where you would like to cut the channel.

Most residential concrete floors are about 4 inches thick and contain steel reinforcement in the form of steel rebar and steel mesh. Saw cuts are a used to create control joints in concrete which help control where cracking occurs due to shrinkage. Don safety glasses hearing protection and steel toed boots for protection. This will make a 1 8 groove.

The cuts should be made at a predetermined spacing and only after the concrete has obtained sufficient strength but before internal cracking begins. Turn on the saw blade and. Check to make sure there are no electrical or plumbing lines. Cut two parallel grooves about an inch deep cutting the groove too deep may weaken the concrete then use an impact hammer with a chisel blade to chisel our the area between the two grooves.

How to cut drain grooves in concrete. Measure to the left and to the right of the chalk. It will be challenging to make the bottom of the groove smooth. Snap a chalk line over the concrete where you want the center of the drainage groove.

How to cut a shallow channel into a concrete floor. Place the tip of a walk behind concrete saw blade over the center of one line. Patience and careful chiseling will be required. Score the length of the cut three or four times with the chisel.

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. Fill the groove with a good quality concrete caulk and slide a piece of vinyl flashing into the groove.