Cutting Groove In Concrete Floor

Snap a chalk line over the concrete where you want the center of the drainage groove.

Cutting groove in concrete floor.

Saw cuts are a used to create control joints in concrete which help control where cracking occurs due to shrinkage. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. Don safety glasses hearing protection and steel toed boots for protection. Check to make sure there are no electrical or plumbing lines.

How to cut drain grooves in concrete. Most residential concrete floors are about 4 inches thick and contain steel reinforcement in the form of steel rebar and steel mesh. 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.

How to cut a shallow channel into a concrete floor. Don t force a blade into a cut. Therefore the timing of saw cuts is critical. It will be challenging to make the bottom of the groove smooth.

Connect one end of a. Measure to the left and to the right of the chalk. Locate the area of the concrete floor where you would like to cut the channel. Fill the groove with a good quality concrete caulk and slide a piece of vinyl flashing into the groove.

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. Patience and careful chiseling will be required. A circular saw with a masonry blade can also be used to either score or completely cut through the block. Turn on the saw blade and.

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. Forget about circular saws concrete blades and jackhammers.