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View Full Version : Unclogging 3" floor drains


Wesmac1069
Sep 16, 2009, 11:23 PM
The main floor drain in the basement is backed up, with standing water. Iv'e tried cleaner and a snake. What do I do?

speedball1
Sep 17, 2009, 03:42 AM
Iv'e tried cleaner and a snake. You didn't run the snake in far enough to clear the clog. If your floor drain has a clean out plug snake from there, (see image) if not work around the bend of then trap and put out at least 16t feet of snake. Good luck, Tom

massplumber2008
Sep 17, 2009, 04:40 AM
Hi all...

Wesmac... you sure it is the floor drain and not the MAIN DRAIN backing up into the floor drain?

If not sure on this, test the main drain by removing the cleanout cover to the main drain and see if it is backed up. Otherwise, flush the toilet(s) or drain 1/2 a tub and see if it continues to back up at the floor drain. If it does, then the MAIN DRAIN line is clogged and will need to be snaked.

If not, follow Tom's advice above... ;)

MARK