How To Unclog A Floor Drain In Basement. Do you know the main reason your basement floods. Use large slip-joint pliers to grasp the square protrusion of the cap and rotate counter-clockwise to unscrew the plug from the pipe.
A minor clog should clear after a few strong pumps with a plunger. Look through the hole inside the drain to see if theres an obvious clog. If you discover your basement floor drain is clogged its important to clear the blockage immediately to reduce the risks of flooding.
Opening one or both ends will provide access to the most likely location of the clog.
Unscrew the drain cover using a screwdriver. We vacuumed up about 5 or 6 gallons of water with our wet shop vac the rest of the water went down the floor drain. What to look for 3. Remove the plug with an adjustable wrench.