Our free calculator uses recent, trusted data to estimate costs for your Cement Slab Installation project. For a basic 120 square feet project in zip code 47474, the benchmark cost to Install a Cement Slab ranges between $4.50 - $6.30 per square foot* .
How to shut off all the water to your house. The most important shutoff is your homeâs main valve. Usually this valve is located low (waist level or so) on the inside basement wall closest to your street. When looking for it, start with your water softener; theyâre often installed near the main.
1 Your Shut-Off Valve: this will be on the house side of the water meter. 2  It may have a knob for turning or it may have a nut. 3  There is no standard size for this nut. 4  For example, mine is 3/8 and requires a ratchet wrench with an extender for access.5  Turn this clock-wise.uick Guide: First find your water shut-off within your house, somewhere along the perimeter and maybe behind an access door. Failing that, go to the water meter near the street and turn off the valve on the house side of the water line.