Singapore’s humid and rainy climate makes waterproofing an essential service for homeowners and businesses. Without proper waterproofing, buildings can suffer from leaks, mould, and structural damage.
To ensure long-lasting protection, choosing the right waterproofing contractors in Singapore is crucial. In 2025, several companies will stand out for their expertise, reliability, and advanced waterproofing solutions.
So, let us take a look at some of the best waterproofing contractors in Singapore. Whether it’s roof waterproofing, wall sealing, or basement protection, these experts offer top-tier services to keep your property safe and dry.
1. Allseal Waterproofing Pte Ltd
Allseal Waterproofing provides a full range of waterproofing solutions without the need for hacking or removing tiles. The company specializes in repairing roofs, toilets, showers, ceilings, walls, and balconies.
Its ability to handle multiple areas makes it one of the most versatile waterproofing contractors in Singapore. The company offers at least four waterproofing methods, including flood infusion, PU grouting, fiberglass systems, and torch-on membrane.
These options allow customers to select a method that suits their budget and requirements. Each technique is proven to be effective in fixing all types of leaks, ensuring long-term protection for buildings.
Free on-site consultations and estimates are available, unlike other companies that charge for initial assessments. Transparent pricing ensures that the final bill closely matches the initial quote.
Services are completed within a day, thanks to a team of skilled and efficient technicians. Despite not operating on weekends, Allseal Waterproofing remains a top choice for reliable and cost-effective waterproofing solutions in Singapore.
| Website | https://allsealwaterproofing.com.sg/ |
| Address | 215 Ang Mo Kio Ave 1, #01-893, Singapore 560215 |
| Phone | +65 8360 1752 |
| Opening Hours | Mon – Fri: 8 AM – 10 PM Sat – Sun: 8 AM – 5 PM |
2. XRY Waterproofing & Plumbing
XRY Waterproofing & Plumbing offers a full range of home improvement services. The company handles various structural issues, including broken doors, windows, roof leaks, and cracks.
The renovation team consists of experienced and skilled waterproofing specialists. These professionals have expertise in waterproofing different types of rooms, including metal and pitched surfaces.
XRY Waterproofing & Plumbing may not always be the first choice for waterproofing services, but its specialists deliver excellent workmanship.
Customer queries are handled efficiently by a dedicated after-sales team, ensuring quick responses. Get reliable service and extensive expertise, making it a strong option for home improvement needs.
| Website | https://xry.com.sg/ |
| Address | 22 Sin Ming Lane, Singapore 573969 |
| Phone | +65 8877 3961 |
| Opening Hours | Daily 24 Hours |
3. Hydroworks Waterproofing
Hydroworks Waterproofing uses only high-quality materials to repair leaks and provide durable waterproofing solutions.
The company ensures long-lasting protection by working with trusted brands such as Sika, Mapei, Nippon Paint, Normet, and Parex.
Waterproof membranes and waterproof paint are available, allowing customers to choose the best option for their needs. Most waterproofing companies in Singapore focus only on metal and pitched roofs.
Hydroworks waterproofing offers a wider range of services, including waterproofing for external wet areas, tile roofs, concrete roofs, and external walls. Customers have praised its specialists for arriving on time and completing projects as scheduled.
Services are available on all days. Affordable rates and a commitment to quality make Hydroworks waterproofing a trusted choice for waterproofing needs.
| Website | https://freeinspection.hydroworks.com.sg/ |
| Address | 335 Ang Mo Kio Ave 1, #04-2003, Singapore 560335 |
| Phone | +65 9688 2610 |
| Opening Hours | Daily 24 Hours |
4. Hydro-Seal Engineering Pte Ltd
Hydro-Seal Engineering Pte Ltd offers a range of waterproofing packages designed for different environments, including commercial and residential properties.
Established in 1995, this company is one of Singapore’s leading providers of waterproofing services and rope access solutions. With experience in completing over 1,000 projects, expert guidance is provided for various waterproofing needs.
Practical solutions are offered based on extensive industry knowledge. Customer service ensures that clients stay informed about project progress while encouraging active collaboration.
All projects come with a warranty of up to 10 years, making them suitable for both short-term and long-term requirements. High-quality project management and professional advice make this company a reliable choice for waterproofing solutions.
| Website | https://www.hydroseal.com.sg/ |
| Address | #03-78 Defu Lane 10, Block 30, Singapore 539211 |
| Phone | +65 6289 6811 |
| enquiry@hydroseal.com.sg | |
| Opening Hours | Mon – Fri: 9 AM – 6 PM Sat – Sun: Closed |
5. General Waterproofing & Service Pte Ltd
General Waterproofing & Service is known as one of the top waterproofing contractors in Singapore due to its expert diagnostics and long-lasting solutions. The company serves residential, commercial, and industrial clients, while many others focus only on residential roofs.
This wide range of services makes it a preferred choice on the island. Its waterproofing solutions do more than cover cracks and leaks. They strengthen the overall structure of buildings, making them ideal for older homes and establishments.
Additional services include concrete repair, facade and roof re-sealant, facade cleaning, wall leak repairs, and crack line repair. With over 30 years in the industry, the company has protected thousands of properties from water damage.
Its commitment to quality service is reflected in its strong reputation. General Waterproofing & Service operates every day, making it a convenient choice for those available only on weekends.
| Website | https://www.general.com.sg/ |
| Address | 1 Yishun Street 23, #05-06, Singapore 768441 |
| Phone | +65 6754 4648 |
| sales@general.com.sg | |
| Opening Hours | Daily: 8 AM – 7 PM |
Read Also – Top Roofing Contractors in Singapore
6. Nano-Star Pte Ltd
NANO-STAR is widely recognized for supplying top-quality construction and waterproofing materials across Asia. In addition to manufacturing, it also provides reliable waterproofing services for various establishments.
These include residential spaces, churches, bungalows, airports, hospitals, ministry buildings, banks, hotels, and theme parks.
The company has handled projects for well-known locations such as Disneyland Shanghai, Dalian Metro, TPI Creative Workshop & Gallery, and Singapore Turf Club.
Its track record reflects strong expertise in waterproofing solutions for different industries. As a manufacturer of waterproofing materials, NANO-STAR can treat multiple surfaces, including concrete, wood, marble, fabric, and glass.
Its products offer fire resistance and heat insulation, ensuring durability and safety. The company is also committed to sustainability. All waterproofing materials used are eco-friendly and non-toxic, making them safe for both buildings and the environment.
| Website | https://www.nanostar.sg/ |
| Address | 32 Defu Lane 10, #04-16, Singapore 539213 |
| Phone | +65 9297 1985 |
| info@nanostar.sg | |
| Opening Hours | Mon – Fri: 10 AM – 2 PM Sat – Sun: Closed |
7. Le Fong Building Services Pte Ltd
Lee Fong Building Services focuses on commercial waterproofing in Singapore. While many waterproofing contractors in Singapore specialize in residential projects, this company stands out for its expertise in commercial spaces.
Despite being in the industry for only a decade, it has gained the trust of well-known businesses. This reflects the quality of its services. Lee Fong offers a variety of structural repairs to improve building conditions.
Its services include thermal imaging, roof repair, grouting, water leak repair, and concrete repair. Different waterproofing methods are used, such as torch-applied membrane, liquid-applied membrane, cementitious brush-applied coating, self-adhesive membrane, and PVC membrane.
Service rates are higher than average, as the company mainly caters to commercial establishments. However, free on-site inspection and troubleshooting are provided.
With advanced skills, equipment, and experience, Lee Fong ensures that buildings remain free from leaks.
| Website | https://www.lefong.sg/ |
| Address | 50 Serangoon North Ave 4, #02-01, Singapore 555856 |
| Phone | +65 9873 6788 |
| enquiry@lefong.sg | |
| Opening Hours | Mon – Sat: 8 AM – 7 PM Sun: Closed |
8. M3 Multiservices Pte Ltd
M3 Multiservices was established in 2012 and is known as a trusted waterproofing company in Singapore. It has gained a reputation as a “leak expert” due to its high-quality services.
A large team of trained waterproofing specialists handles all types of roofing and ceiling materials. Every project is completed by skilled professionals to ensure durability and protection.
A thorough on-site inspection is provided without any obligation. This includes non-destructive testing, destructive testing, special equipment scanning, and direct inspection.
Customers can decide whether to proceed with the service after the inspection. Most clients, however, are satisfied with the company’s approach and solutions.
Waterproofing solutions are tailored to meet specific requirements. Services are customised to match different needs, ensuring cost-effective options for every property.
Apart from waterproofing and coating, additional services include concrete repair, painting, and minor construction work. These services help improve both the interior and exterior of homes and buildings.
| Website | https://www.m3m.com.sg/ |
| Address | 65 Chulia Street OCBC Center #46-00, Singapore 049513 |
| Phone | +65 9789 3563 |
| services@m3m.com.sg | |
| Opening Hours | Daily: 8 AM – 10 PM |
9. Atlas Works Pte Ltd
Atlas Works provides waterproofing services using advanced nanowaterproofing technology. The services cover different areas, including toilets, balconies, roof terraces, kitchens, and swimming pools.
Each service is designed to offer strong protection against water damage. Appointments are required to access the services. The company operates from Vision Exchange at 2 Venture Drive.
For inquiries or bookings, contact can be made through phone and email.
| Website | https://www.atlasworks.sg/ |
| Phone | +65 8800 0567 |
| atlas@atlasworks.sg | |
| Opening Hours | Daily: 9 AM – 6 PM |
10. Proof-Tech Waterproofing & Maintenance Pte Ltd
Proof-Tech Waterproofing & Maintenance Pte Ltd is a well-known waterproofing specialist contractor in Singapore. With over 20 years of experience, it provides reliable and effective waterproofing solutions.
The company offers services such as structural repair, concrete repair, rope access, and water leakage fixes. Repairs for walls, ceilings, and roofs are also available.
Roofing solutions include RC roof services, roof tile coating, repair, and restoration. PU grouting is another key service provided. Both commercial and residential properties benefit from its expertise.
A team of over 180 professionals ensures quick and efficient service. High-quality materials are used to deliver durable results. Solutions are customised to meet different requirements.
The company focuses on affordability without compromising quality. Strong client relationships are built through dependable service and long-term solutions. Proof-Tech remains a trusted name in waterproofing services.
| Website | https://prooftech.com.sg/ |
| Address | 6 Yishun Industrial Street 1, #04-17, North View BizHub, Singapore 768090 |
| Phone | +65 6758 7448 |
| sales@prooftech.com.sg | |
| Opening Hours | Mon – Sat: 9 AM – 9 PM Sun: 9 AM – 5 PM |
Read Also – Top Tailors in Singapore