The best waterproofing company in Singapore is the one that diagnoses why the previous waterproofing failed before reapplying anything, not the one with the cheapest quote. Of the companies reviewed below,
Singapore’s humid climate and frequent heavy rainfall make waterproofing a must for both residential and commercial properties. Poor waterproofing can lead to leaks, mould, and costly structural damage if left untreated.
Here are the 10 best waterproofing companies in Singapore, starting with one of the most trusted names in the market today.
1. Flux Solutions (Highly Recommended)
Flux Solutions has established itself as one of the most trusted waterproofing specialists in Singapore, particularly among homeowners facing recurring leakage problems. Backed by more than 15 years of experience in waterproofing and building repair, the company is known for providing long-term, practical solutions rather than temporary fixes.
What sets Flux Solutions apart is its diagnostic-first approach. Instead of applying waterproofing treatments immediately, the team conducts a structured 4-Point Leak Check to identify the actual root cause of the issue. This process evaluates four key areas:
- Roof leakage sources
- Wet area and toilet leakage
- External wall seepage
- Drainage-related water intrusion
By identifying the exact source before recommending repairs, Flux Solutions helps reduce recurring leakage issues and improves the durability of the final solution.
Their expertise covers a wide range of waterproofing services, including:
- Roof waterproofing
- Toilet leakage repair
- Balcony waterproofing and sealing
- External wall waterproofing
- Concrete repair and protective treatments
The company also uses high-quality waterproofing systems and durable liquid-applied membranes, with selected solutions backed by warranties of up to 10 years. All projects are handled by experienced and certified technicians, ensuring compliance with Singapore building standards and consistent workmanship across every project.
Another reason clients frequently recommend Flux Solutions is their responsive customer support and transparent communication. The team is known for:
- Fast response times for urgent leakage issues
- Clear explanations and practical recommendations
- Transparent pricing without unnecessary upselling
- Cost-effective solutions tailored to the property condition
Beyond waterproofing, Flux Solutions also provides painting services, concrete repair, and general building maintenance, making them a convenient one-stop solution for residential and commercial property owners looking to resolve multiple structural concerns at once.
For property owners seeking a contractor that combines technical expertise, reliable service, and long-lasting waterproofing results, Flux Solutions remains one of the top choices in Singapore.
2. RSF Waterproofing
RSF Waterproofing has quickly gained recognition in Singapore for its customer-focused service and reliable waterproofing solutions for both residential and commercial properties. The company is known for its professional approach and detailed inspections that help identify hidden leakage issues before recommending repairs.
One of their key strengths is expertise in PU injection and crack repair, which is highly effective for stopping water seepage through concrete walls and ceilings. This makes them a strong choice for homeowners dealing with recurring bathroom or wall leaks.
Their services include:
- PU injection waterproofing
- Crack and concrete repair
- Roof waterproofing
- Balcony sealing
- Bathroom and wet-area waterproofing
- Wall seepage treatment
RSF also places strong emphasis on proper surface preparation and application methods to ensure longer-lasting waterproofing results.
Clients often highlight:
- Transparent pricing and communication
- Practical recommendations without unnecessary upselling
- Professional and responsive service
- Detailed and careful workmanship
For property owners looking for a reliable and detail-oriented waterproofing contractor, RSF Waterproofing is a dependable choice in Singapore.
3. High Tech Roofing & Waterproofing
High Tech Roofing & Waterproofing is well known in Singapore for its reliable service, quality workmanship, and strong track record in waterproofing projects. The company has built a solid reputation by delivering durable solutions for both residential and commercial properties.
One of their key strengths is the use of modern waterproofing systems and quality materials, allowing them to handle everything from minor roof leaks to large-scale waterproofing repairs efficiently.
Their services include:
- Roof waterproofing and repair
- Balcony and terrace waterproofing
- Bathroom and wet-area leakage repair
- Wall and ceiling seepage treatment
- Crack sealing and concrete repair
The company is also recognised for efficient project execution and timely completion, helping minimise disruption during repair works, especially for commercial properties.
Clients often appreciate:
- Competitive and transparent pricing
- Reliable and responsive service
- Experienced technical team
- Durable, long-lasting results
For homeowners and property managers looking for a dependable waterproofing contractor with consistent service quality, High Tech Roofing & Waterproofing remains a strong choice in Singapore.
4. Vtech Waterproofing Solutions Pte Ltd
Vtech Waterproofing Solutions is a reputable name in Singapore known for delivering customized waterproofing services tailored to different property needs. The company has consistently built trust among clients by focusing on long-term performance rather than short-term fixes.
Their services cover a wide range of applications, including roof waterproofing, basement sealing, and wet-area treatment. This makes them suitable for both residential homeowners and commercial property developers.
Vtech stands out for its commitment to quality assurance and detailed workmanship, ensuring that every project meets industry standards. Their team takes time to properly assess each situation before recommending solutions.
They are also known for using advanced waterproofing technologies and durable materials, which help extend the lifespan of their work.
Clients often highlight their professional approach and consistent service quality, which contributes to their strong reputation in the industry.
Vtech is a great option for those seeking a trusted contractor with comprehensive waterproofing expertise.
5. Allseal Waterproofing
Allseal Waterproofing has built a solid reputation for delivering effective and long-lasting waterproofing solutions across Singapore. The company is particularly known for its responsive service and ability to resolve leakage issues quickly.
Their services include balcony waterproofing, roof repairs, and bathroom leakage solutions, covering the most common problem areas in residential properties.
One of their standout qualities is their strong after-sales support, which many clients consider crucial when dealing with waterproofing projects. This ensures that any follow-up issues are addressed promptly.
The company also emphasizes quality workmanship and attention to detail, which helps prevent recurring problems.
Customers often report positive experiences with their efficiency and professionalism, especially when handling urgent repair jobs.
Allseal Waterproofing is a dependable choice if you value responsive service and reliable results.
6. Hydro-Seal Engineering Pte Ltd
Hydro-Seal Engineering is a well-established contractor specializing in both waterproofing and building restoration services. The company has handled a wide range of projects, from residential homes to larger commercial developments.
Their expertise includes roof waterproofing, structural repairs, and leak detection, making them a comprehensive solution provider.
Hydro-Seal takes an engineering-focused approach, which ensures that solutions are technically sound and long-lasting.
They also prioritize compliance with industry standards and safety regulations, which is particularly important for large-scale projects.
Clients often appreciate their systematic workflow and professional execution, which contributes to consistent results.
Hydro-Seal Engineering is a strong choice for those who need a technically driven contractor with extensive experience.
7. Wet2Dry Solutions
Wet2Dry Solutions is a growing name in Singapore’s waterproofing industry, known for its practical and efficient solutions for common leakage issues.
The company focuses on delivering cost-effective services without compromising on quality, making it appealing to budget-conscious homeowners.
Their services include roof waterproofing, wall leakage repair, and bathroom sealing, covering key problem areas in residential properties.
Wet2Dry also emphasizes quick turnaround times, ensuring that clients can resolve issues without long delays.
Their team is trained to handle both minor repairs and more complex waterproofing challenges.
Wet2Dry Solutions is a good option if you’re looking for a reliable and affordable waterproofing service provider.
8. Dryproof Waterproofing Contractor
Dryproof Waterproofing Contractor is known for offering specialized waterproofing services for residential and commercial properties.
The company focuses on solving common leakage problems such as roof seepage, bathroom leaks, and wall dampness.
Their team takes a methodical approach to inspections and repairs, ensuring that underlying issues are properly addressed.
Dryproof also emphasizes the use of durable materials and proven waterproofing techniques, which helps extend the lifespan of their work.
Clients often appreciate their straightforward pricing and clear communication, making the process easier to manage.
Dryproof is a practical choice for those who want a no-frills, effective waterproofing solution.
9. Starlight Building Maintenance Services
Starlight Building Maintenance Services offers a wide range of services, including waterproofing, painting, and general building maintenance.
Their versatility makes them a convenient option for property owners who need multiple services handled by a single contractor.
The company is known for its balanced approach between quality and affordability, making it accessible to a wide range of clients.
Their waterproofing services cover roofs, walls, and wet areas, addressing common leakage issues effectively.
Starlight also places importance on customer satisfaction and consistent service delivery, which helps build long-term relationships with clients.
They are a good fit for those seeking a multi-service contractor with dependable waterproofing capabilities.
10. Atlas Works (paintingservices.sg)
Atlas Works is a well-known contractor in Singapore offering both painting and waterproofing services for residential and commercial properties.
The company has built a strong reputation for its attention to detail and high-quality finishing, especially in projects that require both waterproofing and aesthetic improvements.
Their waterproofing services include roof sealing, wall protection, and wet-area treatment, ensuring comprehensive coverage.
Atlas Works is also known for its high customer ratings and strong online presence, reflecting consistent service quality.
Their team works closely with clients to understand project requirements and deliver tailored solutions.
Atlas Works is an excellent choice if you need a combination of waterproofing and professional finishing services.
Final Thoughts
Choosing the right waterproofing company in Singapore isn’t just about price. It’s about long-term reliability, proper diagnosis, and quality workmanship.
If you want a safe recommendation, Flux Solutions is the strongest overall option thanks to its experience, comprehensive services, and consistent results. But depending on your budget and specific needs, the other companies on this list also offer solid and reliable alternatives.