BCA-Approved Waterproofing Specialists in Singapore
Anyone can call themselves a waterproofing expert. Registration, documented methods and insured crews are the difference between a trade business you can hold to account and a phone number that stops answering once the invoice clears.
What being standards-led means
- A written scope and method before any work begins
- Compliant, system-matched waterproofing products
- Trained, insured crews — not day-hire labour
- Water testing recorded before we call a job done
- A signed 12-month warranty document on completion
- Company name and UEN given so you can verify us
What BCA registration means
The Building and Construction Authority is the government agency responsible for Singapore’s built environment. Among other things, it runs the Contractors Registration System, which places construction and specialist contractors into workhead categories and grades according to assessed technical capability, financial standing, track record and management systems.
Registration is a requirement for public-sector project work, and it is increasingly asked for in private work too — by MCST councils approving works on common property, by managing agents, by commercial landlords, and by insurers assessing a water damage claim. For a homeowner it is one of the very few objective signals available before you let someone open up your bathroom floor.
It is not a guarantee of a good job on its own, and we would never claim otherwise. What it does guarantee is that there is an assessed business standing behind the work, with something to lose if the work is bad. That is the whole point of it.
What we bring to a residential job
- A defined scope in writing — the system, the method, the duration and the price, agreed before we start.
- Manufacturer-matched systems — primer, membrane and sealant specified as one compatible system, not mixed by whatever is on the van.
- The least-destructive method that will actually hold — and an honest answer when that means hacking is unavoidable.
- Water testing before sign-off — we confirm the repair holds rather than asking you to wait for the next storm.
- Insured, trained crews — public liability and work injury cover in place, and site protection laid before boots go in.
- A signed 12-month warranty — terms stated on the quotation, not invented after a claim.
Where credentials stop being paperwork
Waterproofing is unusual among trades: the work is hidden, the failure is delayed, and the damage often lands on someone else’s property. That combination is exactly why the paperwork exists.
MCST and condo common property
Managing agents routinely require registration, insurance and a written method statement before approving works that touch common property. Turning up without them delays your repair by weeks.
Commercial and industrial sites
Landlords and facility managers expect documented safety compliance, permit-to-work discipline and a contractor who can be audited. We are set up to work that way as standard.
Inter-floor leaks between neighbours
When the damage is in someone else’s flat, a written technical report from an accountable contractor is what moves a stalled cost-sharing conversation along.
Insurance and claims
Insurers assessing water damage want to see who did the work and to what specification. An undocumented cash job can complicate a claim you would otherwise have won.
Safety on your property
Chemical grouting, working at height and power tools in a wet room are not risk-free. Trained crews, correct equipment and current insurance are not optional extras.
A warranty worth having
A twelve-month guarantee only means something if the company issuing it will still exist in twelve months. Assessed financial standing is part of what registration measures.
How we work on site
Registration gets a contractor through the door. What happens after that is a matter of habit, and habits are what you are really buying.
- 1
Protect first
Floor protection and dust containment laid before any tool comes out of the bag.
- 2
Diagnose, then quote
Our 4-point inspection establishes the cause before anyone prices a repair.
- 3
Specify as a system
Primer, membrane and sealant chosen to work together, not mixed by convenience.
- 4
Test before sign-off
Water testing recorded, so the repair is proven rather than assumed.
- 5
Document and warrant
Written scope, water test result and a signed 12-month warranty on completion.
Credentials and compliance FAQs
The questions worth asking any waterproofing contractor in Singapore — including us.
See the standard in practice
Our 4-point inspection is where the difference shows up first — a diagnosis on paper before anyone quotes a repair.
What does BCA registration actually mean?
The Building and Construction Authority is the government agency that regulates Singapore's built environment. Its Contractors Registration System places contractors into workhead categories and grades based on assessed technical capability, financial standing, track record and management systems. Registration is a requirement for public-sector project work, and in private work it is one of the few objective signals a homeowner can check before letting someone open up their bathroom floor.
Why should a homeowner care for a small waterproofing job?
Because the failure mode is expensive and slow. A poorly specified repair does not fail on the day — it fails in eight months, after the contractor has stopped answering the phone, and by then the water has been in your screed the whole time. Registration does not guarantee a good job on its own, but it means there is an assessed business behind the work rather than a phone number and a van.
Do MCSTs and commercial clients require a registered contractor?
Frequently, yes. Managing agents and MCST councils commonly require registration, insurance and documented method statements before approving works on common property, and commercial landlords usually do the same. If you are a subsidiary proprietor arranging a repair that touches common property, ask your managing agent what they require before you appoint anyone.
Does registration cover the workers who turn up at my door?
It should, and this is worth asking about specifically. Ask whether the crew are direct employees or day-hire, whether they hold current Workplace Safety and Health training for the work involved, and whether the company carries public liability and work injury compensation insurance. A registered company that subcontracts to an unvetted crew has passed the paperwork and failed the point of it.
What documentation should I expect on a residential job?
A written quotation with a defined scope, the products and system being used, the method, the duration, and the warranty terms — before you commit. On completion you should get a warranty document and, where relevant, the water test result. If a contractor will not put the scope in writing, the price is not really a price.
How do I verify a contractor's registration myself?
Ask for the registered company name and UEN, then check it against BCA's public contractor directory. Do not accept a photograph of a certificate — check the register. We are glad to provide our details for exactly this purpose, and we would rather you checked ours than took anyone's word for it.
Are cheaper unregistered contractors always a bad idea?
Not automatically — there are good tradespeople outside the system. But you are taking on the risk yourself: no assessed track record, often no insurance, and a warranty that is worth precisely as much as the person offering it. On a leak that can damage a neighbour's property as well as your own, that is a lot of risk to carry to save a few hundred dollars.
Where the standard applies
All servicesWater Leak Detection & Repair
Pinpoint hidden leaks with non-destructive tools before we lift a single tile — find the source, fix it once.
No-Hacking PU Injection
Stop leaks without breaking tiles. Advanced chemical grouting that is clean, fast and done in a day.
Bathroom & Toilet Waterproofing
Stop seepage into bedrooms and ceilings below with a fully bonded membrane system — often without hacking the whole floor.
Ask us anything before you appoint anyone
Company details, insurance, method, materials, warranty — all of it, in writing, before you spend a cent. The on-site assessment is free either way.