Affordable Waterproofing Contractor in Singapore
Classic Waterproofing & Plumbing (s) Pte Ltd (CWP) provides affordable professional waterproofing services throughout Singapore for homes and businesses. We are licensed contractors holding proper Building and Construction Authority (BCA) certifications. We employ trained certified technicians, ensuring quality workmanship on every project. Our company carries full public liability insurance, protecting clients during all works.
We use only approved waterproofing materials meeting Singapore building standards. We offer competitive rates whilst delivering excellent long-lasting waterproofing protection. Our transparent quotations include all materials, labour and warranties clearly. Trust our licensed experienced team for reliable affordable waterproofing solutions.
Licensed and Certified Waterproofing Contractor
Our Waterproofing Contractor Services

Roof Waterproofing
Roof waterproofing protects your building from rain and weather damage effectively. We apply liquid membranes, sheet systems or PU coatings on all roof types. Our waterproofing stops leaks keeping interiors completely dry. Quality roof waterproofing lasts 15 to 25 years with proper maintenance.

Waterproofing Membrane
Waterproofing membrane creates seamless barriers blocking all water penetration completely. We install liquid or sheet membranes on roofs, balconies and wet areas. Membranes are flexible handling building movement without cracking. Professional membrane installation provides 15 to 25 years of reliable protection.

Toilet Waterproofing
Toilet waterproofing prevents water leaking to rooms below causing expensive damage. We apply waterproof coatings on floors and walls before tiling. Complete toilet waterproofing includes careful sealing around fixtures and drains. Quality toilet waterproofing lasts 10 to 15 years keeping bathrooms dry.

Plumbing Service
Plumbing service fixes leaks, clogs and water supply problems quickly. We repair or replace damaged pipes, taps and toilet fixtures. Our plumbers diagnose problems accurately providing permanent solutions. Professional plumbing service prevents water damage and maintains building hygiene.

Rope access service reaches difficult high areas safely without scaffolding. Our certified technicians use ropes performing waterproofing and repairs at height. Rope access is faster and cheaper than traditional scaffolding methods. We safely complete façade waterproofing and high-level maintenance efficiently.

Wall Seepage Repair
Wall seepage repair stops moisture coming through walls causing dampness and mould. We identify seepage sources and apply appropriate waterproofing treatments. Repairs include injection, coating or external waterproofing as needed. Effective seepage repair keeps walls dry and homes healthy long-term.

Pressure Grouting
Pressure grouting pumps cement or chemicals into cracks strengthening and waterproofing structures. We inject grout under pressure filling all voids completely. Grouting stops leaks whilst providing structural support to damaged concrete. Professional pressure grouting repairs foundations, basements and tunnels permanently.

Concrete Repair
Concrete repair fixes cracks, spalling and damaged concrete restoring structural strength. We remove damaged concrete, treat reinforcement and apply repair mortars. Repairs include waterproofing preventing future water damage and corrosion. Quality concrete repair extends building lifespan significantly.

Water Leakage
Water leakage detection finds hidden leaks causing damage inside buildings. We use advanced equipment locating leaks without unnecessary hacking. Once found, we repair leaks permanently using appropriate waterproofing methods. Quick leakage repairs prevent expensive water damage spreading.

Bathroom Waterproofing
We provide the best bathroom waterproofing service in Singapore. If you want to get nano waterproofing service, contact us. We will provide a free inspection.

General Construction
Our expert team deliver comprehensive construction services for optimal results from start to finish. At the end of our project, we provide warranties.
Our Waterproofing Working Process
Our waterproofing working process ensures quality results on every project systematically.
Identify Leaks and Clean the Surface Area
We visit your property inspecting all problem areas thoroughly. Our experts identify leak sources and assess damage extent. We check surface conditions and measure areas needing waterproofing. Complete inspection ensures accurate recommendations and quotations.
Waterproofing Application
Our certified technicians apply selected waterproofing systems expertly. We follow manufacturer instructions ensuring correct thickness and coverage. Multiple coats build up proper waterproofing protection gradually. Quality application guarantees long-lasting reliable results.
Quality Inspection
We inspect completed waterproofing checking for any gaps or defects. Water testing confirms waterproofing works perfectly before finishing. Any issues are corrected immediately ensuring complete satisfaction. Quality control guarantees our high professional standards.
Final Cleanup and Provide warranty
We clean the work area removing all waste and materials. Your property is left clean and ready for use. We provide care instructions and warranty documentation. Professional service includes complete cleanup and customer support.
What Our Clients Say About Us
Why CWP Waterproofing Contractor in Singapore?
- Licensed and Certified: We hold all required BCA licenses and certifications for waterproofing work. Our technicians complete regular training staying updated on latest techniques.
- Experienced Team: Our team has over 15 years’ experience in Singapore waterproofing industry. We have completed thousands of successful residential and commercial projects.
- Quality Materials: We use only premium waterproofing materials from reputable international brands. Quality materials last longer providing better value than cheap alternatives. All products meet Singapore building standards and environmental requirements.
- Comprehensive Services: We offer complete waterproofing solutions for all building areas. Our services include roofs, bathrooms, basements, balconies and facades. One contractor handles all your waterproofing needs conveniently.
- Competitive Pricing: We provide affordable competitive pricing without compromising quality or service. Our transparent quotations show exactly what you pay for. No hidden charges or surprise costs appear later.
- Warranty Protection: We provide written warranties on all waterproofing work completed. Warranties cover materials and workmanship for your peace of mind.
- Customer Satisfaction: We prioritize customer satisfaction on every project we undertake. Our team communicates clearly keeping you informed throughout works.
Our Recent Completed Projects
CWP delivers the best waterproofing solutions to protect your property from long-term damage. With a strong reputation for quality and reliability, we completed thousands of waterproofing projects in the residential, commercial, and industrial sectors. I have shown some of our most recent projects below:
How Much Does Waterproofing Cost in Singapore?
Bathroom Waterproofing: S$500 to S$2,000
Complete bathroom waterproofing including floors and walls costs SGD $500 to $2,000. Small bathrooms cost less whilst large bathrooms with multiple showers cost more. Price includes surface preparation, waterproofing application and materials. Quality bathroom waterproofing prevents expensive leaks to rooms below.
Balcony Waterproofing: S$1,000 to S$3,500
Balcony waterproofing costs SGD $1,000 to $3,500 depending on size. Larger balconies and those with complex layouts cost more. Price includes removing old tiles if needed and applying new waterproofing. Proper balcony waterproofing stops leaks into apartments below.
Roof Waterproofing: S$8 to S$30 per sqm
Roof waterproofing charges SGD $8 to $30 per square metre. Simple coatings cost less whilst premium membrane systems cost more. Large roofs benefit from lower per-metre rates. Quality roof waterproofing protects entire buildings from rain damage.Basement Waterproofing: S$3,000 to S$10,000
Basement waterproofing costs SGD $3,000 to $10,000 for complete treatment. Price depends on basement size and groundwater pressure faced. Internal or external waterproofing methods affect costs differently. Professional basement waterproofing prevents flooding and dampness problems.
PU Injection: S$50 – S$200 per metre
PU injection crack repairs cost SGD $50 to $200 per metre. Simple cracks cost less whilst complex structural cracks cost more. Minimum charges typically start from SGD $300 for small jobs. PU injection stops active leaks without expensive demolition.
Waterproofing Contractor in Singapore (FAQ's)
Why is waterproofing important in Singapore?
Singapore is a country with a high-humidity, heavy rainfall, and tropical climate, which is mainly responsible for water damage, mold growth, structural deterioration, and building damage. Therefore, if you want to protect your building from water damage and ensure long-term protection, waterproofing is important.
How many years do waterproofing warranties provide in Singapore?
Generally, we provide a warranty of 1 to 10 years. At the same time, the warranty of waterproofing service depends on the areas of leakage and the materials we used. Contact us to know the exact number of warranties.
Where is waterproofing used in Singapore?
Singapore has frequent rainfall and a tropical climate. In Singapore, waterproofing is used in industrial, commercial, and residential buildings, especially on roofs, bathrooms, walls, basements, ceilings, swimming areas, and other leakage areas.
How much does waterproofing cost?
The cost of waterproofing depends on several factors, such as the quality of waterproofing materials, surface area, complexity of the affected areas, and labor cost. To get the exact price, contact CWP for a free on-site inspection.
How to find the best waterproofing contractors near me?
CWP is one of the best waterproofing contractors close to you. If you are looking for a trusted and reliable service, contact CWP, because we have over 15 years of experience in this sector.







