: Water backs up only in that one sink/tub. Other fixtures drain normally.
: Main stack blockage between first floor and basement. Camera revealed: tree root intrusion at 8 ft depth, 4" cast iron, 70% occluded. overflowing drain
Overflow observed? │ ├─ Single fixture? → Check pop-up stopper → Remove trap → Snake branch line. │ ├─ Multiple fixtures on same floor? → Branch line blockage. Cleanout or cable. │ ├─ Basement drain overflows when upstairs used? → Main stack blockage. Call professional. │ ├─ All drains slow + wet yard? → Septic tank full or leach field failure. │ ├─ Neighbors also affected? → Municipal sewer backup. Call utility. │ └─ Gurgling + slow drain but no overflow yet? → Vent blockage or partial clog. : Water backs up only in that one sink/tub
: Water backs up only in that one sink/tub. Other fixtures drain normally.
: Main stack blockage between first floor and basement. Camera revealed: tree root intrusion at 8 ft depth, 4" cast iron, 70% occluded.
Overflow observed? │ ├─ Single fixture? → Check pop-up stopper → Remove trap → Snake branch line. │ ├─ Multiple fixtures on same floor? → Branch line blockage. Cleanout or cable. │ ├─ Basement drain overflows when upstairs used? → Main stack blockage. Call professional. │ ├─ All drains slow + wet yard? → Septic tank full or leach field failure. │ ├─ Neighbors also affected? → Municipal sewer backup. Call utility. │ └─ Gurgling + slow drain but no overflow yet? → Vent blockage or partial clog.