Commercial Waterproofing

Commercial buildings face greater exposure to environmental stress and water infiltration due to their size, design complexity, and foot traffic. Whether it’s a corporate office, shopping complex, hotel, or industrial unit — waterproofing is critical to ensure structural durability, safety, and low maintenance.

At Rainexa Waterproofing Solutions, we offer comprehensive commercial waterproofing services using high-performance systems designed for long-term protection and minimal business disruption.


Why Commercial Waterproofing is Crucial

Unchecked water ingress in commercial structures can lead to:

  • Leaks in ceilings and walls

  • Cracks and weakened RCC elements

  • Mold and dampness that affect air quality

  • Electrical hazards and safety concerns

  • Higher maintenance and repair costs

  • Poor customer impression and reduced property value

With Rainexa, you get a team that understands commercial building design and delivers solutions that are scalable, reliable, and tailored to your industry.


Our Commercial Waterproofing Services Include:

✅ Roof & Terrace Waterproofing

Leak-proofing flat, sloped, or metal roofs using elastomeric coatings, bitumen membranes, or PU systems.

✅ Basement & Foundation Waterproofing

High-pressure injection grouting and membrane systems to prevent groundwater seepage and structural erosion.

✅ External & Internal Wall Waterproofing

Flexible, breathable coatings that block rain penetration and resist UV damage.

✅ Bathroom & Wet Area Sealing

Seamless, long-lasting waterproofing for restrooms, kitchens, and service areas using cementitious and liquid membranes.

✅ Expansion Joint Waterproofing

Specialized joint sealants and tapes for bridge points in large buildings.

✅ Podium, Balcony & Parking Area Waterproofing

Slip-resistant, durable coatings for exposed surfaces prone to water and vehicular wear.

✅ Sump, Overhead Tank & STP Waterproofing

Safe, leak-free systems for potable and non-potable water tanks.


Industries We Serve

  • Commercial Buildings & Malls

  • Office Complexes

  • Hotels & Resorts

  • Hospitals & Healthcare Centers

  • Educational Institutions

  • Warehouses & Industrial Plants

  • Government & Infrastructure Projects


Why Choose Rainexa for Commercial Projects?

✅ Turnkey Waterproofing Solutions
✅ Site Assessment with Moisture & Leak Detection
✅ ISI-Certified Materials & Proven Technologies
✅ Experienced Workforce & Project Supervisors
✅ Minimum Downtime – Business-as-Usual Execution
✅ Long-Term Warranties & Maintenance Support

We follow industry standards (BIS/IS codes) and work closely with builders, architects, and facility managers to meet project timelines and safety goals.


Our Process

  1. Site Inspection & Reporting

  2. Custom Solution Design (Product + Method)

  3. Surface Preparation & Crack Treatment

  4. Application of Waterproofing System

  5. Quality Check, Testing & Final Handover

We also offer AMC (Annual Maintenance Contracts) for commercial complexes, ensuring your waterproofing stays effective year after year.