How To Cut A Hole In Cement Floor

If working in a basement or garage tape drop cloths to any doors.

How to cut a hole in cement floor.

Then get a stainless steel plate to cover it by at least several inches on all sides and adhere the plate to the floor so it won t move around but would still be able to be removed at a later date if needed. I just need to cut one line about 24 inches long. Brush on a concrete bonding liquid photo by kenneth chen. I don t know at the moment how big the opening i need would be or where in that 47 x 19 rectangular footprint it d be so i don t know how close any of the sides of the opening will be to the sides of the 47 x 19 opening i have to put it in.

Keep adding mortar until it makes a small rounded mound on over the concrete surface. While you can find vacuum systems designed to collect the dust material the systems aren t fully effective. Isnt there a cement blade for a skill saw. So without renting the big cutting machines ive watched on youtube.

In one quick motion raise the chalk line up about 1 foot 0 30 m and snap it down so that it hits the ground and applies chalk in a straight line. Mix the concrete with water and scoop some into the hole. I m dealing with the need to cut the hole in a fairly small corner of my room no more than 47 wide by 19 deep. Use a trowel or your hands and fill the space with mortar.

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. My garage floor is settling and a corner broke and now i have a 1 foot catching lip. My intent will be to break out the corner and pour new cement in the corner. This video shows how to cut a hole hardie backer cement board big enough for the shower valve installation without any special tools.

If you freehand your line with chalk make sure to make it as thick as possible. Press it down so it fills all the small holes in the concrete. When the dust becomes airborne it s possible to inhale it into your lungs which can create severe health problems. Hold the line about 2 feet 0 61 m over the region to be cut.

For a 1 week chalk lifespan use blue and white colors. Then take a 2 square piece if clear plastic and tape it to your floor anywhere you think moisture may be present. If outside ensure that all nearby windows are closed. Cutting concrete with a power saw produces enormous amounts of dust.

Photo by kenneth chen.