Waterproofing That Lasts

Against Every Risk, Chosen or Unchosen, Seen or Unseen
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Water is relentless

It doesn’t knock, it forces its way in. It starts as a small leak, a damp patch, an unnoticed crack. But soon, that tiny weakness turns into something bigger.

A single, unnoticed drip can turn into a disaster:

Cracks widen

Cracks widen

Cracks widen

Cracks widen

And once the damage is done, it’s too late. The cost of fixing a broken structure far outweighs the cost of preventing it.

A poor Waterproofing can turn investments into liabilities

$2.5 Trillion

Annual cost of damage caused by corrosion globally

Source: Inspenet

$320 Million

Losses occured from unprotected and damaged structures in India.

A smarter investment would be to spend just 2% on waterproofing today to save over 15%–35% on future repair costs.

What is Waterproofing & Why is it a necessity?

Waterproofing is a process of protecting structures from water infiltration, preventing damage like leaks, cracks, and structural weakening.

Key benefits of correct waterproofing

Maintains Structural
Integrity

Prevents Wall
Seepages

Maintains
Aesthetics

Reduces Maintenance
Cost

What to look for in a waterproofing system?

Waterproofing is a process of protecting structures from water infiltration, preventing damage like leaks, cracks, and structural weakening.

Key benefits of correct waterproofing

Crack Bridging Ability (C 1305 – 00)

  • Ensures the membrane can accommodate cracks in the substrate without breaking.
  • Prevents water ingress even if the surface develops minor cracks.

Elongation & Flexibility (AS 4858)

Determines how much the membrane can stretch before breaking.

Types

  • Low extensibility (10-59%) – Rigid
  • Medium extensibility (60-299%) – Flexible
  • High extensibility (≥ 300%) – Elastomeric (best for movement-prone areas).

CDry Film Thickness (AS 4858)

  • A crucial factor in durability and effectiveness.
  • Measured using a wet film thickness gauge.

Tensile Strength (ASTM D 412)

  • Determines the membrane’s resistance to breaking under tension.
  • Ensures the longevity and durability of the waterproofing system.

Durability & Resistance Tests

A quality waterproofing membrane should pass:

  • Water immersion test
  • Bleach immersion test
  • Detergent immersion test
  • Heat aging test

Additional Performance Standards (Table 8.1)

  • Moisture Vapor Transmission Rate – Prevents excessive moisture buildup.
  • Water Absorption Resistance – Ensures minimal water uptake.
  • Cyclic Movement Acceptance – Ensures flexibility under stress.
  • Suitability Over Particleboard – Prevents structural failures.

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Ardex Endura's Proven Approach to Successful Waterproofing

At Ardex Endura, we follow a structured and reliable process to ensure long-lasting and effective waterproofing.

Types of waterproofing  solutions

Durability & Performance
Durability & Performance
Max
Min

Ardex Endura's Waterproofing Solutions Engineered for Excellence

Solutions for Bathroom

Waterproofing should be applied in bathrooms during construction for a thorough seal or during renovations if there are signs of dampness or leaks. It's also recommended when upgrading areas exposed to high moisture, like showers and wet rooms.

  1. External Water Proofing Layer
  2. WPM 810

    Elastomeric, single component, polyurethane based cold liquid applied waterproofing membrane

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Solutions for Balcony

Balconies are exposed to rain and temperature changes, making them prone to water seepage through gaps between tiles and cracks. This can cause damp patches, peeling paint, and damage to walls and ceilings below. Applying waterproofing during construction or renovations helps seal these gaps, preventing water damage and ensuring long-term protection.

  1. Waterproofing Layer
  2. WPM 004 Flex

    High Performance Acrylic Reinforced Waterproof Coating

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Solutions for Kitchen

Kitchens are exposed to water spills, steam, and frequent washing, making them prone to seepage through gaps between tiles, countertops, and walls. This can lead to damp patches, mold growth, and damaged cabinets. Proper waterproofing during construction or renovations helps seal these areas, preventing water damage and ensuring a clean and durable kitchen.

  1. Waterproofling Layer
  2. WPM 004 Flex

    High Performance Acrylic Reinforced Waterproof Coating

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Solutions for Terrace

Terraces are exposed to direct rain, standing water, and temperature variations, which can cause seepage through cracks, expansion joints, and tile gaps. Inadequate slopes and drainage systems can worsen the problem, leading to damp patches and leaks in the floors below. Applying a waterproofing layer and sealing joints during construction or renovation is essential to prevent water penetration and ensure long-term durability.

  1. Water Proofling Layer
  2. WPM 810

    High build, single component, elastomeric polyurethane based waterproofing membrane

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Solutions for Podium

Podiums are exposed to heavy foot traffic, rainwater, and irrigation from landscaping, making them prone to seepage through expansion joints, tile gaps, and cracks. Inadequate drainage systems can cause water to accumulate, leading to damp patches and damage to the structures below. Applying a waterproofing layer and sealing joints during construction or renovation helps prevent water ingress, ensuring the podium's durability and protecting underlying areas.

  1. Water Proofling Layer
  2. WPM 810

    Elastomeric, single component, polyurethane based cold liquid applied waterproofing membrane

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Solutions for Facade/External Wall

Facades and external walls are exposed to rain, wind-driven moisture, and temperature changes, causing water to seep through cracks, joints, and around windows. Inadequate sealing can lead to damp patches, efflorescence, and peeling paint. Applying waterproof coatings and sealing joints during construction or renovation prevents seepage and ensures long-term protection.

  1. Water Proofing Facade Coating
  2. WPM 310

    Elastomeric, UV stable, flexible external facade coating

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Solutions for Water Tanks

Water tanks are constantly exposed to water pressure, causing seepage through cracks, construction joints, and porous surfaces. Inadequate sealing can lead to water loss, damp patches, and structural damage. Applying internal waterproof coatings and sealing joints during construction or renovation prevents seepage, ensuring the tank remains leak-free and durable.

  1. Water Proofing Membrane
  2. WPM 300

    Water based epoxy membrane

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Solutions for STP/ETP

STP and ETP structures are exposed to constant water pressure, chemicals, and waste, causing seepage through cracks, construction joints, and porous concrete. Inadequate sealing can lead to leaks, contamination of surrounding soil, and structural damage. Applying chemical-resistant waterproof coatings and sealing joints during construction or renovation prevents seepage, ensuring leak-proof and durable performance.

  1. Water Proofing Layer
  2. WPM 004 Flex

    High Performance Acrylic Reinforced Waterproof Coating

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Solutions for Swimming Pool

Swimming pools are exposed to constant water pressure, which can cause seepage through cracks, tile joints, and expansion joints, leading to water loss and structural damage. Applying waterproofing tapes for joints and an internal waterproofing layer during construction or renovation helps seal weak points, preventing leaks and ensuring the pool's durability.

  1. Solutions for Swimming Pool
  2. WPT 300 series

    Range of waterproofing tapes

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  3. Internal Water Proofing Layer
  4. WPM 002

    Two component undertile waterproofing membrane

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Solutions for Retaining Wall

Apply waterproofing during construction to create a strong barrier against soil moisture and groundwater, especially for walls that need flexibility to accommodate movements. For retaining walls exposed to high water pressure or direct contact with soil, use positive side waterproofing to effectively block water from the outside.

  1. Waterproofing Sheet Membrane
  2. WPM 810

    Elastomeric, single component, polyurethane based cold liquid applied waterproofing membrane

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  3. Waterproofing for Positive Side of Retaining Wall
  4. WPM 3000 BG

    Composite, blindside HDPE membrane

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Project References

Aakash Hospital

Dwarka, New Delhi

Project Type

Infrastructure - Hospital

Coverage Area

4000 sqmts

year of Completion

2024

Continental Hospitals

Nanakramguda, Gachibowli, Hyderabad

Project Type

Infrastructure - Hospital

Coverage Area

1000 sqmts

year of Completion

2022

Chennai One IT Park

Velacheri, Chennai

Project Type

Hospitality/ Hotels

Coverage Area

2500 sqmts

year of Completion

2024