Waterproofing in the construction industry comes in many varieties?

Before diving into that, let’s first understand what waterproofing is. Waterproofing refers to the process of creating a barrier on surfaces like roofs, foundation walls, and other structures to prevent water from penetrating the building structure. In simple terms, it involves making building surfaces water-resistant and waterproof.

Although waterproofing only adds a small portion to the construction costs, neglecting it can lead to severe damage to the building structure caused by water infiltration. It is also essential to understand the different types of waterproofing before applying it, as various building designs or types require different waterproofing techniques. Therefore, ensuring you choose the correct type of waterproofing for your construction needs is crucial.

To assist with the selection process, here are 5 types of waterproofing commonly used in construction:

1. Cement-Based Waterproofing Coating

Cement-based waterproofing is considered one of the easiest materials to apply. Though it may contain a few components, it typically consists of one liquid and one powder. These components are well-prepared with accurate measurements to make mixing easy. PT. Kimia Konstruksi Indonesia’s flagship product is Consol Top 1007, a two-component cement-based waterproofing layer used for water-resistant concrete applications, both internally and externally. It is non-toxic, making it safe for use in water tanks or fish ponds, and can also be applied beneath floor screed or tiles in bathrooms.

2. Styrene Acrylate PU Coating Waterproofing

Coating-based waterproofing is generally easy to apply, and most homeowners can even do it themselves. This type of waterproofing consists of a single component based on a mixture of cement, styrene acrylate for surface protection resistance, and PU (polyurethane), a highly wear-resistant polymer. Therefore, this styrene acrylate PU coating product is a superior and easy-to-use solution. It only requires a brush or roller for application, without the need for mixing different parts. PT. Kimia Konstruksi Indonesia offers Consol Roofgard for this type of waterproofing.

3. Lastic 290 Waterproofing

This type of waterproofing is an acrylic-based waterproof coating specially formulated to provide maximum protection for concrete surfaces against water seepage and extreme weather exposure. Designed with high flexibility and strong adhesion, this product is an ideal choice for waterproofing applications on various surfaces, both horizontal and vertical.

With exceptional elasticity, CONSOL LASTIC 290 can adapt to hairline cracks and natural substrate movements without losing its protective properties. This product is suitable for application on concrete roofs, balconies, flat roofs, exterior walls, and other areas prone to moisture or cracking.

4. PVC Membrane Waterproofing

PVC Membrane Waterproofing (Polyvinyl Chloride) is used to coat and prevent water or moisture penetration. It comes in rolls and is typically applied to protect structures from water and moisture damage. The application of this type requires skilled personnel because it involves specific technical considerations. This waterproofing is ideal for areas with vibration or cracked concrete, where coating-based waterproofing is not feasible. A significant advantage of PVC Membrane waterproofing is its strength, which allows it to withstand tree roots, making it perfect for rooftop gardens. PT. Kimia Konstruksi Indonesia provides Consol PVC Roofgarden Waterproofing for this application.

5. Waterstop Waterproofing

Waterstop waterproofing is specifically applied before or during the construction of a building that requires waterproofing. It is placed within the concrete during the pouring process. This waterproofing comes in flexible rolls made from materials like PVC and is typically used in structural joints or gaps to prevent water ingress. Waterstop is designed to adapt to the movement of the structure, making it highly effective in preventing leaks in areas of movement.

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5 Benefits of Waterproofing in Construction

Beyond understanding the types of waterproofing, it’s equally important to recognize the benefits of implementing waterproofing in buildings. Here are five key benefits of waterproofing:

1. Prevents Leakage and Water Seepage

Waterproofing creates a protective barrier that prevents water from penetrating building structures. This is crucial for keeping walls, floors, and roofs dry, especially in areas frequently exposed to water such as bathrooms, kitchens, and balconies.

2. Protects Building Structure

By preventing water infiltration, waterproofing helps protect building materials such as concrete, steel, and wood from moisture damage. This extends the building’s lifespan and reduces the risk of structural damage.

3. Prevents Mold and Mildew Growth

High humidity can trigger the growth of mold and mildew, which not only damages the aesthetic appearance of buildings but can also cause health problems for occupants. Applying waterproofing helps maintain a dry and healthy indoor environment.

4. Improves Energy Efficiency

Waterproofed buildings tend to have better thermal insulation. By preventing water and moisture intrusion, waterproofing helps maintain indoor temperatures, allowing cooling or heating systems to work more efficiently and reducing energy consumption.

5. Increases Property Value

Buildings equipped with proper waterproofing systems demonstrate optimal maintenance and protection, thereby increasing the property’s sale or rental value. Potential buyers or tenants are more attracted to buildings free from moisture issues and water damage.