Waterproofing in Tin Shui Wai
Compare local waterproofing contractor pros in Tin Shui Wai and get free quotes — no obligation, no call-backs you didn't ask for.
Typical price: HK$3,000–HK$160,000
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Waterproofing prices in Tin Shui Wai
| Job size | Low | Typical | High |
|---|---|---|---|
| Wet-area / sealant (small) Bathroom re-waterproofing or small sealant job | HK$3,000 | HK$7,000 | HK$15,000 |
| Roof / membrane system Roof or larger membrane waterproofing | HK$12,000 | HK$28,000 | HK$55,000 |
| Full structural waterproofing External-wall or full structural system | HK$40,000 | HK$80,000 | HK$160,000 |
How to hire a waterproofing pro in Hong Kong
- Diagnose the seepage source (roof, wall, inter-unit) before choosing a system
- Where inter-unit seepage is the cause, expect the Joint Office / building management involvement
- Ask for a written scope, product spec and guarantee
- Confirm access and scaffolding needs for external work
- Check the contractor's insurance and references
Waterproofing is unlicensed in Hong Kong; roof, external-wall and inter-unit seepage are the common jobs, and seepage disputes between flats go through the Joint Office (FEHD/Buildings Department). External work often needs scaffolding, which drives cost.
Budgeting first?
See the full breakdown of what drives waterproofing prices — job sizes, unit rates, and how to save.
Frequently asked questions
Why is my damp problem being oversold?
A common trap is a 'free survey' that always diagnoses rising damp and sells a chemical damp-proof course, when the real cause is condensation, a leaking gutter or bridged damp course. Get an independent, qualified diagnosis before paying for injected chemicals.
How long does waterproofing last?
A properly installed cavity-drain or tanking system can last decades, and quality membranes carry long guarantees. Cheap surface coatings applied over an unaddressed water problem fail fast. Longevity depends on correct diagnosis and installation far more than the product.
Can I waterproof a basement myself?
Small sealant jobs on a minor damp patch are DIY-able, but below-ground waterproofing against groundwater pressure is specialist work — get it wrong and you trap water or flood the space. Full basement systems should be designed and installed by a qualified specialist.
How much does waterproofing cost?
It depends on the method and area. Internal sealants and damp-proofing for a small area are the cheapest option; cavity-drain membranes and tanking cost more; a full basement or below-ground waterproofing system is the most expensive, running into five figures. The cause of the water dictates the right system.
What's the difference between damp proofing and waterproofing?
Damp proofing resists moisture and rising damp (like a damp-proof course in a wall); waterproofing resists liquid water under pressure, as in a basement below the water table. Below-ground and wet-area work needs true waterproofing, not just a damp treatment.
What does waterproofing cost in Hong Kong?
A bathroom or small sealant job typically runs HKD 3,000-15,000, roof or membrane systems HKD 12,000-55,000, and full structural waterproofing HKD 40,000-160,000.
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