Reliable Waterproofing Specialist in Singapore
A leading waterproofing company in Singapore offering bizSAFE Level 3 waterproofing contractors and specialists for reliable, long-lasting waterproofing services across all properties.
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Why We're A Trusted Waterproofing Company
Over 20+ Years of Waterproofing Experience
For more than two decades, we have delivered dependable waterproofing in Singapore, handling residential, commercial, and industrial projects with proven methods that ensure long-term protection.
Licensed, Certified & bizSAFE Level 3 Contractors
Our team is fully licensed and trained, meeting industry and safety standards expected of professional waterproofing contractors in Singapore. Every project is carried out with care, compliance, and proper risk management.
Long-Lasting, Durable Waterproofing Materials
We use high-performance membranes, sealants, and coatings designed for Singapore’s climate. These materials offer strong adhesion, weather resistance, and dependable results for roofs, walls, and wet areas.
Fast Response Time & Dedicated Support
Whether it’s an urgent leak or scheduled maintenance, our support team responds quickly and keeps you updated at every stage. We aim to resolve issues efficiently with clear communication and reliable follow-up.
Pitch Roof & Rooftop Waterproofing
Balcony & Terrace Waterproofing
Swimming Pool & Water Feature Waterproofing
Glass Canopy & Glass Panel Waterproofing
External Wall & Window Waterproofing
Full-Spectrum Waterproofing Services for Residential & Commercial Buildings
General Waterproofing is a trusted waterproofing company in Singapore, providing complete, end-to-end waterproofing services for every type of leakage problem. Whether the issue is coming from your roof, bathroom, walls, ceiling, balcony, terrace, swimming pool, water feature, building façade, or glass structures, our waterproofing specialists deliver accurate diagnoses and long-lasting repair solutions. We combine trained waterproofing contractors, advanced leak detection methods, and high-performance materials to protect residential, commercial, and industrial properties from recurring seepage and moisture damage. Every waterproofing solution is customised to your property’s needs, ensuring durable results and reliable protection against Singapore’s weather conditions.
Extensive Waterproofing & Repair Services
Protect your property from water infiltration with professional roof waterproofing solutions tailored for Singapore’s harsh weather conditions.
Safeguard your interiors from moisture-related damage with timely intervention before the damage worsens.
Preserve your building’s structural integrity and interior condition with prompt, effective roof leak repairs.
Restore and reinforce damaged concrete by addressing cracks promptly, preventing further deterioration and extending your building’s lifespan.
Keep your building’s exterior clean and watertight with professional facade cleaning and waterproofing services in Singapore—designed to enhance durability and appearance.
Why Choose General Waterproofing
Accurate Diagnosis Before Any Repair
Effective waterproofing begins with identifying the true source of the leak. Our specialists conduct thorough inspections to assess cracks, failed membranes, pipe penetrations, and drainage issues before proposing any solution. This prevents guesswork and ensures repairs are done right the first time.
High-Quality Waterproofing Systems Built for Singapore Weather
Singapore’s heavy rainfall, heat, and humidity can accelerate roof and wall deterioration. We use waterproofing systems that are specifically selected for local conditions, including liquid membranes, PU injections, and torch-on membranes that withstand prolonged moisture and UV exposure.
Skilled Waterproofing Specialists With Proven Workmanship
Our team consists of trained technicians with years of hands-on experience. Each project is carried out with precision, using proper surface preparation and application techniques to achieve strong adhesion and long-term durability.
People Who Work With Us
5-Star Testimonials & Client Feedback
Posted on K H LeeTrustindex verifies that the original source of the review is Google. We engaged GWS to fix roof leakages at several places in our house. The work was done professionally and completed ahead of schedule. The workers are meticulous in their job and punctual in attendance. Ken was prompt in his response to our queries and patience in explaining the details of the works to us. Very satisfied with the work done.Posted on Ron YangTrustindex verifies that the original source of the review is Google. Excellent service by Jason! He looked after my waterproofing project end-to-end with professionalism and was very prompt when there were questions or issues The quality of workmanship was also good, with great attention to detail, including the repair of internal false ceilings. I highly recommend Jason and his company for waterproofing and repair works. They get the job done very well in a reasonable amount of time. Thumbs up!Posted on Juliana TayTrustindex verifies that the original source of the review is Google. **HIGHLY RECOMMENDED: Exceptional Exterior Painting & Roof Repair by Joe and Team!** Having hired Joe twice before for smaller roof repairs, I knew his work was good – but his handling of this larger 9-day exterior painting and roof tile repair project completely surpassed my already high expectations! From start to finish, Joe managed everything with outstanding professionalism, leading a team of skilled, diligent, and courteous workers. Why they stand out: ✅ **Proven Reliability & Professionalism:** Consistent across multiple projects! The team worked meticulously without disrupting daily life or creating mess. ✅ **Remarkable Cleanliness:** Tidied the worksite thoroughly every single day. On the final day, they performed a thorough washing of the exterior floor area, leaving everything immaculate. ✅ **Attention to Detail Beyond Scope:** They proactively cleaned exterior glass panels (not part of the job!) and took exceptional care to protect my plants and garden. ✅ **Efficiency & Integrity:** Completed the substantial job perfectly within the 9-day timeframe. Joe’s team doesn’t just meet expectations—they consistently exceed them. Whether it's a small roof fix or a major exterior project like mine, stop hesitating! You’ll gain complete peace of mind with a crew that treats your home like their own.😊 **Final Verdict:** 10/10. My highest, unreserved recommendation – based on multiple positive experiences!Posted on Chew EeTrustindex verifies that the original source of the review is Google. Have been using this company for my waterproofing job for over 10 years. Always provide professional advice and can be relied upon to do a good job. Have never been disappointed by their service. Very highly recommended.Posted on YukiTrustindex verifies that the original source of the review is Google. Mr Ken (General Waterproofing & Services) is very detailed and very efficient and very professional specialist in roofing. The best thing about GWS is their reliable and durable solutions for waterproofing consistently over many many many years. Very trustworthy company.Posted on angelica ngTrustindex verifies that the original source of the review is Google. Ken is very helpful and detailed in helping us to solve our water leaking problem. Work well done successfully, happy customer, will definitely recommend friends to General Waterproofing & Service.Posted on GH85 LTrustindex verifies that the original source of the review is Google. Their team is professional and Ken helped to identify the most appropriate wall waterproofing fix given the external walls are high and scaffolding can be expensive. Thumbs up for the superb job done! xx1904Posted on FlorenceTrustindex verifies that the original source of the review is Google. I had the pleasure of working with Ken as our point of contact, and I must say, his performance was outstanding. He went above and beyond to ensure everything ran smoothly, demonstrating impressive dedication and professionalism throughout the process. Ken’s commitment and attention to detail truly set him apart, making our experience exceptional. Highly recommended!Posted on mullai prabuTrustindex verifies that the original source of the review is Google. Excellent 👌👌👌Posted on Ang Wee WeiTrustindex verifies that the original source of the review is Google. We’ve engaged them for my apartment’s water leakage issue. Solution provided was properly diagnosed and solved for the long term. Their workers were clean of their work done and cleaned all debris of its aftermath. Great service provided by GWS, best work quality! RECOMMENDED~Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Real Waterproofing Projects Completed Across Singapore
Here are selected waterproofing projects completed across Singapore, showcasing how our team diagnoses leakage issues and delivers long-lasting solutions for residential, commercial, and industrial properties.
FAQs About Waterproofing in Singapore
What is waterproofing?
Waterproofing is a protective process that prevents water infiltration into buildings and structures. It involves applying water-resistant membranes, sealants, or coatings to surfaces such as roofs, walls, and foundations. In Singapore’s tropical climate, waterproofing plays a vital role in protecting homes and commercial buildings from heavy rainfall, high humidity, and water seepage-related damage.
Why is waterproofing important in Singapore?
Waterproofing is especially critical in Singapore due to its tropical climate, which brings high humidity and frequent heavy rainfall throughout the year. These conditions create the perfect environment for water seepage, mould growth, spalling concrete, and structural deterioration, especially in older HDB flats, condos, and landed properties. Without proper waterproofing, persistent moisture can compromise the integrity of roofs, ceilings, and foundations, leading to costly repairs and potential health risks such as poor indoor air quality.
What types of waterproofing services do you offer?
From leaky bathrooms to water seepage on walls, we’ve got you covered. Our waterproofing services in Singapore include concrete roof surfaces, bathrooms, external facades, and carpark decks. Whether you’re a homeowner living in an HDB or condo, or a facility manager overseeing a commercial or industrial property, we provide tailored solutions to keep your space dry, durable, and protected in Singapore’s humid and rainy climate.
What is the cost of waterproofing services in Singapore?
The cost of waterproofing in Singapore varies based on factors such as the size and condition of the area, the chosen waterproofing method, accessibility, and whether any repairs are needed beforehand. To ensure accurate costing and effective long-term protection, it’s best to consult an experienced waterproofing specialist in Singapore for a detailed on-site assessment and tailored recommendation.
How long does it take to complete a waterproofing project?
The duration of a waterproofing project depends on the scope of work involved. Smaller projects like bathroom waterproofing may take a few days, while larger projects like basement or roof waterproofing could take several weeks. We provide a clear timeline for completion before starting any project.
Do you offer any warranty on your waterproofing services?
Yes, we offer warranties on our waterproofing services, demonstrating our confidence in the quality of our workmanship and materials. The warranty period varies depending on the type of service and materials used. We provide detailed warranty information before commencing any project.
How long does waterproofing last?
With proper application and regular maintenance, waterproofing can last between 10 to 15 years. This depends largely on environmental exposure and the type of materials used, especially for areas like concrete roof waterproofing, where durability is key.
Can I do waterproofing myself?
While DIY waterproofing might seem like a cost-saving option, it’s often ineffective and may lead to more damage in the long run. For lasting results, it’s best to engage a professional water leakage specialist in Singapore who has the right tools and experience.
Does waterproofing prevent mould?
Yes. Proper waterproofing prevents water ingress, which is the primary cause of mould and mildew growth in damp areas. Effective water seepage repair solutions are crucial in maintaining a mould-free indoor environment.
Contact Our Waterproofing Specialist in Singapore Today!
Protect your property from costly water damage with General Waterproofing, your trusted waterproofing specialist in Singapore. Whether you need a quick inspection or a full waterproofing service, our team is ready to assist.