At HETERO Hybrid Engineering, we deliver comprehensive waterproofing solutions designed to protect structures from water ingress, moisture damage, and long-term deterioration. Our services cover basements, terraces, roofs, bathrooms, wet areas, podiums, industrial floors, and critical infrastructure zones.

We use international-standard waterproofing chemicals, membranes, and protective systems, carefully selected and applied based on site conditions, exposure levels, and building usage. Our goal is to provide durable, leak-proof, and future-ready protection, not temporary surface fixes.

Waterproofing systems are selected based on area, exposure, movement, and performance requirements. Using the right material is critical for long-term results. Waterproofing must be planned area-wise to ensure complete building protection. 

What Is a Waterproofing System?

A waterproofing system is a planned and engineered combination of materials and application methods designed to protect a structure from water penetration and long-term moisture damage. Rather than relying on a single product, a proper waterproofing system works as a complete barrier solution, sealing pores, joints, cracks, and vulnerable surfaces where water can enter.

These systems are essential for maintaining structural integrity, durability, and indoor health. When correctly designed and applied, waterproofing prevents common issues such as leakage, dampness, mold growth, salt deposits (efflorescence), and gradual weakening of concrete and masonry.

CEMENTITIOUS WATERPROOFING
CEMENTITIOUS WATERPROOFING

🛡TYPES OF WATERPROOFING WITH FEATURES & USES

LIQUID APPLIED ACRYLIC OR PU BASED WATERPROOFING
LIQUID APPLIED ACRYLIC OR PU BASED WATERPROOFING
POLYURETHANE (PU) WATERPROOFING
POLYURETHANE (PU) WATERPROOFING
BITUMINOUS MEMBRANES WATERPROOFING
BITUMINOUS MEMBRANES WATERPROOFING
Crystalline Waterproofing
Crystalline Waterproofing
Injection Grouting Waterproofing
Injection Grouting Waterproofing
Elastomeric Waterproof Coatings
Elastomeric Waterproof Coatings
Epoxy Waterproofing
Epoxy Waterproofing
Under Tile Waterproofing Systems
Under Tile Waterproofing Systems

How Waterproofing Systems Work?

A waterproofing system functions by blocking water at the source and controlling moisture movement within the structure. This is achieved through a combination of:

  • Liquid-applied membranes (such as acrylic or polyurethane) that form seamless, flexible protective layers

  • Sheet membranes (such as bituminous or PVC) that provide high resistance to water and ground moisture

  • Cementitious or crystalline treatments that penetrate concrete and block internal water pathways

  • Integral waterproofing admixtures mixed into concrete or mortar to improve water resistance from within

  • Primers, tapes, and joint treatments that strengthen bonding and seal construction joints and transitions

Each component plays a specific role, and together they form a reliable, long-lasting waterproofing system.

OUR STEP BY STEP APPROACH ON WATERPROOFING

1. Site Inspection & Moisture Assessment

Detailed inspection to identify leakage points, moisture paths, structural conditions, and exposure to water or weather.

2. Root Cause Analysis

Engineering diagnosis to determine the exact cause of water ingress such as cracks, failed waterproofing layers, poor drainage, construction joints, or material aging.

3. Customized Waterproofing System Design

Selection of the most suitable waterproofing system, including chemical coatings, membranes, injection systems, crystalline treatments, or hybrid solutions, tailored to the project’s requirements.

4. Surface Preparation

Thorough surface cleaning, crack repair, joint treatment, and priming to ensure proper bonding and long-term performance of waterproofing materials.

5. Waterproofing Application

Application of high-performance waterproofing systems using approved methods and modern tools to achieve uniform coverage and complete protection.

6. Protective Layers & Detailing

Installation of protective screeds, coatings, or finishes to safeguard waterproofing layers from mechanical damage, UV exposure, and wear.

7. Quality Check & Performance Testing

Inspection and testing of treated areas to verify leak resistance, curing quality, and overall system effectiveness.

8. Finishing, Handover & Support

Final finishing to restore usability and aesthetics, followed by structured handover, documentation, and after-service support.

Waterproofing work procedure
Waterproofing work procedure
AREA WISE WATERPROOFING >> WHY ? WHEN ? HOW ?

🏠 Terraces & Roofs

Why Waterproofing Is Required

Terraces and roofs are directly exposed to rain, heat, and weather fluctuations. Without proper waterproofing, water penetrates slabs, leading to ceiling seepage, cracks, and structural damage.

When Waterproofing Is Needed

  • During new construction

  • When water ponding is observed

  • If ceiling dampness or cracks appear

  • Before monsoon season

How HETERO Treats It

We apply high-performance waterproofing membranes or liquid-applied systems, followed by protective layers to ensure long-term resistance to water, UV rays, and thermal movement.

Terraces and Roofs Waterproofing
Terraces and Roofs Waterproofing

🧱 Basements & Foundations

Why

Basements and foundations face continuous groundwater pressure and soil moisture, posing long-term structural and durability risks.

When

  • During foundation construction

  • When rising damp or seepage is observed

  • During rehabilitation of aging structures

How

Use of damp-proof barriers, chemical waterproofing systems, and injection grouting with verified material performance and controlled application methods.

🚿 Bathrooms, Toilets & Wet Areas

Why

Constant water usage increases the risk of leakage into adjacent areas, leading to hygiene issues and material damage.

When

  • During construction or renovation

  • When tile joints fail or water leakage appears

How

Installation of under-tile waterproofing systems, joint sealing, and detailing using approved materials and quality-controlled workmanship.

Bathrooms Toilets Waterproofing
Bathrooms Toilets Waterproofing

🪟 External Walls & Facades

Why

Weather exposure and surface cracks allow rainwater penetration, affecting internal walls and finishes.

When

  • During façade repairs or repainting

  • When internal dampness is traced to external walls

How

Crack repair, joint sealing, and application of breathable, weather-resistant coatings in accordance with environmental and quality standards.

External Wall and Facades Waterproofing
External Wall and Facades Waterproofing

🚗 Podiums, Parking & Utility Areas

Why

These areas experience mechanical load, vibration, and water exposure, increasing leakage and structural stress risks.

When

  • During slab construction

  • When seepage affects lower levels

How

Installation of heavy-duty waterproofing systems with protective screeds, ensuring durability, safety, and controlled execution.

🏭 Industrial Floors & Utility Zones

Why

Industrial areas are exposed to water, chemicals, and operational stress, requiring high-performance protection systems.

When

  • During facility setup

  • When water or chemical ingress affects operations

How

Application of industrial-grade waterproofing systems, often integrated with epoxy or PU flooring, under strict quality and safety control.

🏥 Hospitals, Institutions & Hospitality Facilities

Why

Moisture ingress compromises hygiene, safety, and operational continuity in sensitive environments.

When

  • During construction

  • During phased renovation or upgrades

How

Customized waterproofing systems applied with minimal disruption, following documented procedures and compliance-focused execution.

Hospitals, Institutions & Hospitality Facilities Waterproofing
Hospitals, Institutions & Hospitality Facilities Waterproofing

CLIENT FEEDBACK

ARINDAM KUNDU

HOOGLY

Residential Client – Terrace Waterproofing

⭐⭐⭐⭐⭐

PROTEA MANPOWER PVT. LTD

KOLKATA

Commercial Client – Basement & Roof Waterproofing

⭐⭐⭐⭐⭐

“Water seepage in our basement was affecting daily operations. The HETERO team followed a systematic approach, used quality materials, and completed the waterproofing work within the committed time. Even during heavy rainfall, there has been no water ingress. Very professional service.”

“We had repeated leakage from our terrace every monsoon. HETERO Hybrid Engineering inspected the area properly, explained the issue in detail, and applied a complete waterproofing system. The work was clean and well-managed, and the terrace has remained leak-free since then.”

CONTACT US

If you're interested in hearing more about the way we work, or are interested in Waterproofing, we'd love to hear from you.