Waterproofing in Kallang
Compare local waterproofing contractor pros in Kallang and get free quotes — no obligation, no call-backs you didn't ask for.
Typical price: SGD 460–SGD 23,000
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Waterproofing prices in Kallang
| Job size | Low | Typical | High |
|---|---|---|---|
| Wet-area / sealant (small) Bathroom re-waterproofing or small sealant job | SGD 460 | SGD 1,100 | SGD 2,600 |
| Roof / membrane system Roof or larger membrane waterproofing | SGD 1,850 | SGD 4,150 | SGD 8,300 |
| Full structural waterproofing Facade or full below-ground/structural system | SGD 5,500 | SGD 11,000 | SGD 23,000 |
How to hire a waterproofing pro in Singapore
- Confirm the contractor is experienced with wet areas, roofs and inter-unit seepage
- Get the water source diagnosed — bathroom membrane, roof or facade ingress
- For HDB/condo seepage, check whether the town council or MCST is involved
- Ask for a written scope, product spec and guarantee
- Check the contractor's insurance and references
Waterproofing is unlicensed as a trade in Singapore, but bathroom, roof and facade waterproofing are common and inter-unit ceiling seepage is governed by a defined BCA inspection process between neighbouring units. Re-waterproofing a bathroom means hacking and re-tiling.
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See the full breakdown of what drives waterproofing prices — job sizes, unit rates, and how to save.
Frequently asked questions
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.
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 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.
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 much is waterproofing in Kallang?
In Kallang, a small damp-proofing or sealant job sits at the low end of the national range, while basement tanking and full structural waterproofing run into four or five figures depending on area and the water pressure involved.
What does waterproofing cost in Singapore?
A bathroom re-waterproofing typically runs SGD 500-2,800, roof or membrane systems SGD 2,000-9,000, and larger structural jobs SGD 6,000-25,000.
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