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Mauritius’s Trusted Waterproofing Specialists

Protecting homes, commercial buildings, hotels, and industrial facilities across Mauritius since 2019. At Sanju Waterproofing, we deliver professional waterproofing solutions designed specifically for the island’s tropical climate, ensuring long-term protection against leaks, moisture, and structural water damage.
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About us

Built on Trust. Proven by Results.

For over five years, Sanju Waterproofing has been helping homeowners and businesses across Mauritius protect their properties from costly water damage. Founded in 2019 in Port Louis, the company was created with one clear mission: to provide specialist waterproofing solutions backed by real expertise, quality workmanship, and long-term reliability.

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Expert Waterproofing for Tropical Conditions. Keeping Mauritius Dry Since 2019

Our Services

Trusted Across Mauritius & Rodrigues

Since our founding, we have successfully completed over 500 waterproofing projects across residential, commercial, hospitality, and industrial sectors.

Roof Waterproofing

Protect your property from leaks, moisture, and weather damage with durable roof waterproofing solutions designed for Mauritius’s tropical climate and heavy seasonal rainfall.

Basement & Foundation Waterproofing

Prevent water penetration, dampness, and structural damage with advanced basement and foundation waterproofing systems built for long-term protection and stability.

Wet Area Waterproofing

Ensure bathrooms, kitchens, balconies, and wet areas remain fully protected against hidden leaks, mould growth, and moisture-related structural deterioration over time.

Crack Injection & Leak Repairs

We repair active leaks and structural cracks using professional injection systems that restore integrity, prevent water intrusion, and extend building lifespan effectively.

Swimming Pool Waterproofing

Keep your swimming pool fully sealed and protected with specialist waterproofing systems designed to prevent leaks, water loss, and surface deterioration.

Leak Detection Services

Our professional leak detection services accurately identify hidden water intrusion problems, helping prevent costly repairs and protecting your property from further damage.

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Why Choose Us?

Waterproofing Solutions Designed for Mauritius

Precision Over Speed

We prioritise quality workmanship and proper surface preparation to ensure every waterproofing system performs exactly as intended. We believe doing the job correctly the first time saves our clients time, stress, and unnecessary repair costs.

Honest & Practical Advice

We recommend solutions based on what your property genuinely needs — not what creates the biggest invoice. Our goal is to build long-term relationships through honesty, transparency, and dependable service.

Climate-First Engineering

Every product and application method we use is selected specifically for tropical island environments. Our systems are tested to perform under Mauritius’s unique weather conditions.

10-Year Written Warranty

We stand behind every project with a comprehensive written warranty, giving our clients confidence and peace of mind long after the work is completed.
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Meet Our Team

Our strength comes from a dedicated senior team with years of hands-on experience in waterproofing, civil construction, and project management.

David Ramphul

Founder & Lead Waterproofing Engineer
With over 20 years of experience in civil construction, David founded Sanju Waterproofing to bring specialist waterproofing expertise to Mauritius. He personally oversees major projects and specialises in membrane systems and injection technologies.

Nadia Lecourt

Project Manager & Client Relations
Nadia ensures every project is completed efficiently while keeping clients informed throughout the process. She holds a PMP certification and communicates fluently in English, French, and Creole.

Yusuf Mamode

Senior Applicator & Crack Injection Specialist
Yusuf has more than 12 years of experience in polyurethane and epoxy injection systems, specialising in active leak repair and below-ground waterproofing solutions.

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Trusted Waterproofing Specialists in Mauritius

Certifications & Protection

Certified, Approved & Fully Insured

CQHSE Certified

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We maintain strict quality, health, safety, and environmental standards on every project.

Fully Insured Services

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All residential and commercial works are covered by public liability insurance for complete client protection.

Approved Waterproofing Applicators

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We work with internationally recognised waterproofing product manufacturers and approved application systems.

Written Performance Warranty

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Every completed project includes a 10-year written warranty backed by our company commitment.