Outside Drain From Kitchen Sink Blocked Work Jun 2026

| Cause | Description | Typical Signs | |-------|-------------|----------------| | | Solidified grease from washing pans/dishes | Slow drainage, recurring blockage, white/grey solid mass | | Food debris | Rice, pasta, coffee grounds, vegetable peelings | Gritty blockage, often mixed with grease | | Soap scum | Reaction between soap and hard water minerals | Chalky, pasty build-up inside pipe | | External debris | Leaves, dirt, or silt entering the open gully | Blockage at the grate or first bend outside | | Pipe damage | Cracked, displaced, or root-invaded clay/plastic pipe | Recurring blockage, sinking ground above pipe |

Tiny food particles, coffee grounds, and starches bypass sink strainers, settle in the external trap, and bind with grease to create dense clogs. outside drain from kitchen sink blocked

There are several reasons why an outside drain from a kitchen sink may become blocked. Some common causes include: | Cause | Description | Typical Signs |