Waterproofing in Singapore
Find out where the water is coming from before you pay for any fix. For leaks between HDB flats, HDB has its own process for ceiling leaks, so check that first.
Your business could be listed here. This spot is for waterproofing in Singapore and it's always clearly marked as sponsored.
Advertise / list your business →Before you hire: quick checklist
- Ask how they will find the source of the leak.
- Ask whether the method needs hacking or not.
- Get the warranty period and what it covers in writing.
Providers we checked
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Hydroseal
Waterproofing contractor, its site says established 1995.
Source: Provider's own website (www.hydroseal.com.sg), checked 13 Nov 2026
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Le Fong Building Services
Waterproofing services.
Source: Provider's own website (lefong.sg), checked 13 Nov 2026
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Nano-Star
Non-hacking waterproofing.
WebsiteCall +65 6231 9231WhatsApp
Source: Provider's own website (www.nanostar.sg), checked 13 Nov 2026
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Proseal
Waterproofing specialist, says since 1999. UEN 201106650R on its site.
WebsiteCall +65 6483 3009WhatsApp
Source: Provider's own website (proseal.com.sg), checked 13 Nov 2026
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RSF Waterproofing
Roof, toilet, wall and ceiling waterproofing.
WebsiteCall +65 9692 2938WhatsApp
Source: Provider's own website (rsfwaterproofing.com.sg), checked 13 Nov 2026
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SWC Construction
Waterproofing and water leakage work.
Source: Provider's own website (swcconstruction.com.sg), checked 13 Nov 2026
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Waffen Waterproofing
Waterproofing for HDB, condo and landed homes.
WebsiteCall +65 6226 2282WhatsApp
Source: Provider's own website (waffen.com.sg), checked 13 Nov 2026
Our waterproofing guides
- Best Waterproofing Services in Singapore 2026Updated 2026-10-24