Quick answer
To fix a sink with drainboard, first turn off the water supply. Use a plunger or drain snake to clear clogs. If the drainboard is damaged, replace it with a new one of the same size and type.
Confirm the symptom
- Water drains slowly from the sink
- Standing water in the sink after use
- Unusual gurgling sounds from the drain
- Clogging occurs frequently near the drainboard area
Tools and prep
- Adjustable wrench
- Plunger
- Drain snake or auger
- Replacement drainboard (if needed)
- Bucket or towel to catch water
- Rubber gloves
- Turn off water supply before starting repairs
Step-by-step troubleshooting
- Turn Off Water SupplyDo: Locate and turn off the shut-off valves under the sink.Observe: Water stops flowing from the faucet.Means: Water supply is safely shut off.Next: Inspect the drainboard for visible clogs.
- Inspect DrainboardDo: Remove the drainboard cover and check for debris or hair.Observe: Debris or hair is blocking the drain.Means: Manual cleaning is needed.Next: Clean the drainboard and surrounding area.
- Clean DrainboardDo: Scrub the drainboard and remove any debris with a brush or cloth.Observe: Drainboard is clear of obstructions.Means: Drainboard is clean and functional.Next: Test the drain by running water.
- Use PlungerDo: Place a plunger over the drain and pump up and down to dislodge clogs.Observe: Water level in the sink lowers or bubbles appear.Means: Clog is partially or fully cleared.Next: Run water to check if the drain is working properly.
- Use Drain SnakeDo: Insert a drain snake into the drain and push it through until resistance is felt.Observe: Snake encounters resistance or pulls out debris.Means: Clog is deeper in the pipe.Next: Remove as much debris as possible and test the drain.
- Replace DrainboardDo: If the drainboard is damaged or corroded, remove it using an adjustable wrench and install a new one.Observe: Drainboard is removed and a new one is installed securely.Means: Drainboard is replaced and functioning.Next: Turn on the water supply and test the sink.
- Test SinkDo: Turn on the water supply and let water run through the sink.Observe: Water drains smoothly without clogging.Means: Repair is successful.Next: Monitor the sink for any recurring issues.
Common causes
| Cause | Likelihood | Difficulty | Part often needed |
|---|---|---|---|
| Hair and soap buildup Hair and soap can accumulate in the drainboard and pipes, causing clogs. | Common | Easy | Drainboard cleaning kit |
| Food particles Food particles can get trapped in the drainboard and decompose, leading to clogs. | Common | Easy | Drain strainer |
| Mineral deposits Hard water can cause mineral deposits to build up in the drainboard and pipes. | Sometimes | Easy–Medium | Vinegar or descaling solution |
| Improper installation A poorly installed drainboard can lead to leaks or clogs. | Rare | Medium | Replacement drainboard |
| Worn-out drainboard Over time, the drainboard can wear out and become less effective at draining water. | Sometimes | Easy | Replacement drainboard |
| Tree roots Tree roots can infiltrate the drainpipes and cause blockages. | Rare | Hard | Professional drain cleaning service |
Parts matching
Common parts needed for sink with drainboard repairs include:
- Drainboard cleaning kit
- Replacement drainboard
- Drain strainer
- Vinegar or descaling solution
- Plumber's putty or sealant
Measure the size of your existing drainboard before purchasing a replacement to ensure a proper fit.
When to call a professional
- Clogs persist after multiple attempts to clear them
- Drainboard is severely damaged or corroded and cannot be replaced easily
- Water continues to leak even after replacing the drainboard
- Unusual noises persist after repairs
- Drainboard installation is too complex for a DIY repair
FAQ
How often should I clean my sink's drainboard?
It is recommended to clean your drainboard at least once a month to prevent clogs and buildup.
Can I use chemical drain cleaners on a sink with a drainboard?
It is not recommended to use chemical drain cleaners as they can damage the drainboard and pipes. Use natural solutions like vinegar and baking soda instead.
What should I do if my drainboard is leaking?
If your drainboard is leaking, turn off the water supply and check for cracks or improper installation. Replace the drainboard if necessary.
How can I prevent clogs in my sink with a drainboard?
Use a drain strainer to catch debris, clean the drainboard regularly, and avoid pouring grease or food particles down the drain.