How To Cut A Concrete Floor

To minimize floor patching later however rent an electric concrete cutting saw with a diamond blade to score around the opening.

How to cut a concrete floor. In this video you ll see the cutting using. Then finish the cut the sawblade rarely cuts all the way through with a hand sledge and a chisel. Learn how to cut into a basement floor the foundation of the house in order to do some plumbing for a bathtub.

Raise the blade and reposition the saw at the end of one of the two chalk lines denoting the edge of the channel. Don t force a blade into a cut. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.

A circular saw with a masonry blade can also be used to either score or completely cut through the block. Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk. Ease the saw s blade into the concrete and slowly push the saw forward until the.

How to cut a concrete floor for new plumbing before cutting. Apply the line as thick as possible. Photo by kenneth chen.

Apply the line as thick as possible. Score the length of the cut three or four times with the chisel. Use a hammer and a cold chisel to level the bottom of the hole and undercut its sides slightly so the patch can t pop loose.

Brush on a concrete bonding liquid photo by kenneth chen. Mix the concrete with water and scoop some into the hole.