Terrace Waterproofing and why it is important

A hand covering a Home

Every day, we are taught to be grateful for having a ‘roof over our heads’. However, those blessings might quickly be washed away by a leaking roof. Improper roof waterproofing can result in large-scale water seepage throughout the home system, reducing its lifespan and generating leaks in all walls, mould, and mildew, as well as weakening its general structure.

What is Terrace Waterproofing?

Terrace waterproofing is the application of a waterproof coating or solution that safeguards the terrace from water damage. Before implementing the waterproofing solution, you must first identify and fix the cause of the water leak. The waterproofing solution should endure extreme weather and provide long-term protection.

Leaks are most common on flat-surfaced terraces because they lack suitable slopes for water drainage. Water starts to accumulate and leaks through the gaps of a terrace. Therefore, waterproofing on a flat terrace is important to prevent any leaks in the future.

However, slanted rooftops and terraces that have favourable slopes tend to be at a lower risk of leakage. However, in this case, there is a considerable risk of leaks. Terrace waterproofing helps to ensure that such leaks do not occur again for at least the following eight years.

Why Terrace Waterproofing is Important

Owning a property with a terrace is a fantastic luxury since it gives you a private outside spot to relax, engage, and simply soak up the views. However, because this raised open area remains open to the elements, it is prone to water damage. Whether you live in a rainy region or in an area with extreme weather, waterproofing your terrace is critical for maintaining structural integrity and extending its lifespan.

Proper terrace waterproofing is vital to avoid water seepage and leakage, which can cause structural damage and other problems. By taking the essential precautions to waterproof your patio, you can preserve its longevity and avoid costly future repairs.

Common Terrace Waterproofing Methods

Waterproofing structures is crucial because it creates an impenetrable barrier against water that protects foundations, roofs, and walls. These are some of the most prevalent waterproofing elements used in building construction.

Liquid Waterproofing Membrane

Liquid-applied waterproofing membranes are intended to provide the best possible moisture protection. These liquid-applied materials offer a monolithic, uniform fluid membrane and are popular for their simplicity of application. Such membranes cure provide an elastic, waterproof seal that may be applied with a roller or brush. Its tough membranes have high adhesive qualities and will bind to most surfaces.

Bituminous Coating

Bituminous paint is a form of bituminous coating that offers weatherproofing and resistance to corrosion to the elements. It has good adhesion qualities. Bituminous coatings are used to provide a vapour-proof and durable coat based on their composition and polymerization grade.

Bituminous Membrane

This technology is widely used for waterproofing surfaces like roofs, foundations, and upper decks, and it can be utilized on new as well as current surfaces. In contrast to bituminous coating, it is cold-applied, making it more flexible and suitable for any surface.

Polyurethane Waterproofing

Polyurethane is a versatile polymer that may be processed into fibres, elastomers, flexible and stiff foams, and coatings for the surface. The polyurethane protective coating, in liquid form, is applied to the substrate’s surface to safeguard it against many forms of flaws such as corrosion, scratches, weathering, and deterioration.

Step-by-Step Terrace Waterproofing Process

Determine the source of the leak: When waterproofing the terrace, you must first determine where the leak is coming from. Examine the walls, floors, and ceiling for evidence of moisture or dampness.

Clean the surface: Remove all dust, debris, and loose particles from the terrace’s surface. This guarantees that the waterproofing solution sticks to the surface correctly.

Use the waterproofing solution: For full coverage and complete protection against leakage and seepage, put the waterproofing solution in repeated coats as directed by the manufacturer. 

Tips for Terrace Waterproofing

Assess the framework

You should evaluate your terrace’s current structure before beginning the waterproofing operation. Examine the terrace for any fractures, holes, or areas of damage that require repair before using terrace waterproofing products.

Preparing the surface

    For the waterproofing material to bind properly, the surface must be properly prepared. Ensure there are no loose items, dust, or dirt on the terrace’s surface.

    Choosing the appropriate waterproofing substance

      Different waterproofing materials are available, each with unique benefits and terrace-specific appropriateness. Select the one that best suits the needs of your patio, the local environment, and your financial situation.

      Crack and gap-filling

        Even tiny fractures and gaps can cause severe water seepage. Fill these gaps with appropriate sealants to create a watertight surface.

        Weather Resistant

          Consider the weather in your area and select a waterproofing option that can survive high temperatures, UV radiation, and frequent downpours. 

          Benefits of Terrace Waterproofing

          Increases roof life: A waterproofing coating decreases the effects of severe light and warmth on your roof. Terrace waterproofing solutions function as a protective membrane, shielding your roof from environmental wear and tear as well as rain leaks, so significantly increasing its life.

          Prevents structural damage: Water and moisture seeping through a leaky roof gradually erode the steel sides and beams that support your home. Concrete is also a porous material, and roof waterproofing is essential to avoid damage caused by toxic compounds that may enter with water.

          Maintains the visual attractiveness of the home: The home you built with love might rapidly become ugly due to stains and black patches caused by persistent water seepage. Improper water leakage from the roof ultimately penetrates through the walls, producing the growth of mildew and mold, which are rather unsightly. Waterproofing a roof before it becomes prone to leakage might help prevent this disfigurement.

          Protect your health: When moisture enters into your home through a leaking roof, it can cause a variety of health concerns such as difficulties with breathing and allergies. Mold and mildew can be harmful to your health. It is best to have roof waterproofing done at the appropriate time to protect you and your family from such preventable health risks.

          Commercial upsides: Waterproofing a roof is significantly less expensive in the long run than an entire roof refurbishment or the frequent repairs required for a leaky roof. Waterproofing your roof extends its life and sustainability, improving the commercial worth of your home greatly. Waterproofing improves the strength of a structure, boosting its commercial worth.


          Proper terrace waterproofing is a commitment to the longevity of your home. While it is recommended that you do it during building, it is never too late. This will end up saving a lot of money in the future. Now that you know the importance and benefits, get it done as soon as possible. 


          How to waterproof a roof terrace?

          Roof terrace waterproofing can be achieved through various methods such as liquid waterproofing membranes, bituminous coatings, bituminous membranes, or polyurethane waterproofing. The process involves cleaning and preparing the surface, applying the chosen waterproofing material, and ensuring proper sealing.

          What is the best waterproofing membrane for a terrace?

          The best waterproofing membrane for a terrace depends on factors like climate, budget, and terrace structure. Options include liquid membranes for flexibility and ease of application, bituminous membranes for durability, and PVC membranes for UV resistance. Consulting a professional is recommended.

          How do I stop my terrace from leaking?

          To stop terrace leaks, clean and repair cracks, apply a waterproof membrane or coating, ensure proper drainage, and seal all joints and edges. Regularly inspect and maintain the surface to prevent new leaks and ensure long-term protection.

          What is the permanent solution for roof leakage?

          Permanent solutions for roof leakage involve identifying and addressing the root cause. This might include repairing structural damage, improving drainage, or applying a durable waterproofing system suitable for the specific roof type and climate. Regular inspection and maintenance are crucial for long-term prevention

          No comments yet.

          Leave a comment

          Your email address will not be published.

          Download Sample Report
          Download Checklist
          Book Free Pilot Inspection

          New Brochure-Param

          This will close in 20 seconds