What blocks bathroom drain unblockings in Sai Ying Pun
Hair accumulation at U-trap or floor drain
Soap scum compound below sink trap
Foreign objects (cotton bud, hair tie, contact lens)
Hard-water mineral build-up at narrow points
Sai Ying Pun building patterns we see
Pre-war tong lau brick-mortar drains (gentle clearing only)
Post-war walk-up clay pipe legacy issues
HKU-area student-rental flats — frequent hair/food blocks
Ying Wa / Bonham Road — lift-less buildings need stair-carry of equipment
How we clear it
Method
Drain snake (1.5-3m) → hair extraction → vinegar + baking soda flush (gentle on old pipes) → test full flow.
Why call DrainFix HK for Sai Ying Pun bathroom drain unblocking
- Sai Ying Pun-specific knowledge. Sai Ying Pun mixes pre-war tong lau, post-war walk-ups, and modern HKU-area towers. Pre-war buildings have rare brick-mortar drain construction that needs careful clearing. We don't damage heritage features — chemical clearing where needed, mechanical only where safe.
- Service-specific method. HK bathroom blocks are 80% hair + soap scum at the floor drain or shower trap. Drain snake clears in 15-30 min. Long-haired residents see this 2-4× more often — preventive hair-trap stoppers (HKD 30 at SOGO) help.
- Fixed price quoted on phone. No 'we'll see when we get there' surprises. From HKD 350.
- 7-day re-block guarantee. Same drain re-blocks within 7 days, we return free.
- Receipt + tax invoice always. For tenant-landlord reimbursement or building AP.