Waterproofing in Serangoon
Compare local waterproofing contractor pros in Serangoon 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 Serangoon
| 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 do I choose a waterproofing contractor in Serangoon?
In Serangoon, look for a specialist who diagnoses the water source before quoting, proposes a system matched to it, offers an insurance-backed guarantee, and shows relevant qualifications. Avoid one-size-fits-all chemical-injection sales pitches.
Do I need a guarantee or warranty?
Yes — reputable structural waterproofing comes with an insurance-backed guarantee so the cover survives if the contractor ceases trading. Ask whether the guarantee is company-backed or independently insured, because a company-only warranty is worth little if they close.
What waterproofing does a bathroom or wet area need?
Wet areas need a waterproof membrane behind tiles on floors and walls, correctly detailed at junctions and drains. In many countries this is regulated work with a standard to meet — a failed shower membrane is one of the most common and costly building defects.
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.
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.
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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