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Reasons You Need to Waterproof Your Terrace

Terraces are integral components of our living spaces, offering us protection from temperature fluctuations and varied weather conditions. However, exposed to the elements, terraces are particularly vulnerable to water infiltration, which can lead to a plethora of problems, including structural damage, mold growth, and deterioration of building materials. Waterproofing your terrace is not just a preventive measure, it’s a necessary investment in the longevity and durability of your property.

In this article, we will delve into the importance of waterproofing on terraces, and the reasons why you need it. 

What is Terrace Waterproofing?

The process of applying a coating or protective layer to your roof terrace in order to stop water from seeping through and harming your building’s interior and underlying structure is known as terrace waterproofing. It serves as a barrier against the weather, keeping your roof functional and leak-proof.

Reasons Why Your Home Needs Terrace Waterproofing

The following are the reasons why you need to waterproof your terrace

Prevents Structural Damage

Water penetrating the terrace can seep into underlying structures like concrete, brickwork, and beams, causing them to weaken and crack over time. This can lead to expensive repairs and even compromise the structural integrity of the building.

Prevents Leaks and Dampness

Unsealed terraces allow water to seep into interiors, causing dampness, mold growth, and unpleasant odors. This can damage furnishings, and belongings, and create health concerns for occupants.

Protects Against Harsh Weather

Terraces experience various weather conditions like heavy rain, snowfall, and extreme temperatures. Waterproofing creates a protective barrier against these elements, minimizing wear and tear.

Enhances Aesthetic Appeal

A well-maintained terrace with no leaks or dampness is visually more appealing and adds value to your property. Protecting your terrace from water infiltration will also prevent water seepage through the walls of your home which will leave unnecessary stains

Improves Energy Efficiency

A damp terrace can affect overall building insulation, leading to higher energy bills for heating and cooling. Waterproofing ensures better thermal performance and saves you money in the long run.

To know how to waterproof your terrace, read our step-by-step guide for waterproofing a terrace

Choosing the Right Terrace Waterproofing Product

Choosing the right terrace waterproofing product requires careful consideration of several factors to ensure effective protection and optimal results. Here’s a guide to help you make an informed decision:

Assess your needs

Make sure you consider the climate characteristics, terrace characteristics, budget, existing damage, etc before deciding on a product. 

Examine your terrace for any cracks, damages, or existing moisture issues. The condition of the surface will influence the type of waterproofing system required. While it’s essential to choose an effective waterproofing solution, considering the budget before will ensure that the [roduct aligns with your financial constraints. 

Explore Different Types

Liquid-applied waterproofing

Seamless, flexible, adaptable to complex shapes, potentially expensive, and requires skilled application.

Cementitious waterproofing

Durable, breathable, good for concrete terraces, and labor-intensive application.

Sheet membranes

Easy installation, good flexibility, cost varies depending on the material, vulnerable to punctures.

Drainage systems

Complement other methods, manage water flow, and require proper design and installation.

Consider Key Product Features

Waterproofing Performance

Evaluate the product’s ability to withstand water pressure and prevent leaks.


Check how the material stands up to weather, UV exposure, and wear and tear.


Crucial for accommodating slight movements and preventing cracks.


Ensure compatibility with your terrace’s substrate (concrete, wood, etc.).

Ease of installation

Assess whether the product requires skilled labor or DIY ease.

Warranty and guarantees

Look for manufacturer warranties and guarantees for added peace of mind.

Our Solution

Sunanda Global is the best waterproofing company in India with a vision to set industry standards and become a brand choice for customers in the construction and allied sectors. 

At Sunanda, we offer several waterproofing solutions such as polyurethane coating, epoxy coatings, outside wall paint, etc. The following are some of our suggestions for terrace waterproofing products.

Polyalk WP: Polymeric waterproofing coating

Polyalk WP is an effective waterproofing solution for terraces, providing a durable barrier against moisture with its polymer-based, cement-compatible formulation. It creates an impermeable layer that can be applied in moist conditions, perfect for monsoon-prone areas. Its alkaline property enhances concrete durability, preventing carbonation, while its high flexural strength and adhesion prevent cracks and peeling. Ideal for protecting terraces from water damage and sulphate attacks, Polyalk WP extends the structure’s lifespan and preserves its look, making it a top choice for waterproofing needs.


Sunkote WP+ is a reliable single-component, elastomeric, water-based, fiber-reinforced acrylic waterproof coating designed for direct application onto various substrates using brush, roller, or spray methods. Sunkote WP+ offers a high-buil, strong, and thick elastomeric membrane system that effectively protects against water ingress. Additionally, it accommodates thermal movements and can withstand cracks up to 2 mm, ensuring long-lasting waterproofing performance. With resistance to UV and anti-fungal properties, it maintains its integrity even in harsh environmental conditions.


Sunproof PU1K is a versatile solution for waterproofing and sealing various surfaces, with its single-component, liquid-applied, moisture-cured polyurethane elastomeric membrane. Upon application, this product cures to form a rubber-like finish with exceptional flexibility and chemical resistance properties. Sunproof PU1K offers seamless waterproofing to your terrace without the need for additional reinforcing layers. Its single-pack system simplifies application, reducing labor costs and time. Moreover, its strong adhesion to concrete and flexibility under extreme temperatures ensure long-lasting protection against water infiltration.

To secure a reliable waterproofing solution for your terrace and safeguard your home, reach out to Sunanda Global today. Our team is ready to assist you with top-tier waterproofing solutions tailored to your needs.

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