ع
iChem header banner

Guidance to Waterproofing Concrete Foundation Joints and Walls

Sandra Elsharnouby
17 Sep, 2025
An illustrative image of the installation of waterproofing materials in concrete foundation joints and walls for building protection

Guide to Protecting Concrete Foundations and Walls from Water Leakage | Ichem

Why Waterproofing is Essential for Concrete Foundations

Concrete foundations without effective waterproofing are highly susceptible to cracks, corrosion of reinforcement steel, and long-term structural issues. Whether your project involves a residential basement, commercial building, or large infrastructure facility, protecting concrete from water infiltration is critical to ensure structural durability and longevity.

Ichem Solutions for Concrete Joint Waterproofing

Concrete joints are natural weak points that can allow water leakage if not properly treated. Ichem offers advanced solutions for joint waterproofing, including:

  • PVC Waterstops: Flexible, strong, and chemical-resistant.

  • Rubber Waterstops: Ideal for heavy-duty applications and large-scale projects.

  • Bentonite Waterstops: Expands upon contact with water to seal gaps.

  • Hydrophilic Waterstops: Swells when exposed to moisture, forming an effective water barrier.

Integrated Methods to Prevent Water Leakage

To achieve comprehensive protection, Ichem recommends combining multiple techniques:

  • Joint sealing materials to secure construction and expansion joints.

  • Water injection systems to repair existing concrete joints.

  • Waterproof coatings and membranes for additional protection.

  • Regular maintenance to ensure long-term effectiveness.

Best Materials for Waterproofing Concrete Walls

  • Bituminous membranes: Strong layers providing excellent water resistance.

  • Elastomeric membranes: Flexible, accommodating concrete expansion and contraction.

  • Crystalline coatings: Chemically react with concrete to block water penetration.

  • Cementitious waterproof coatings: Suitable for tanks and exterior concrete walls.

  • Liquid-applied membranes: Create a durable, flexible barrier against water ingress.

Choosing the Right Waterproofing System for Your Project

When selecting the most suitable solution, consider:

  • Type of structure (basement, tunnel, water tank, retaining wall).

  • Level of water exposure and hydrostatic pressure.

  • Expected lifespan of the waterproofing system.

  • Ease of application and operational efficiency.

Why Choose Ichem Solutions?

  • Extensive expertise in construction chemicals and concrete protection.

  • High-quality products meeting international standards.

  • Comprehensive technical support and consulting to select the optimal solution.

  • Long-lasting protection for concrete foundations and walls.



Frequently Asked Questions

Explore additional details and clarifications!

1.     Epoxy Primer: Used to prepare the base layer of concrete, cement mortar and epoxy, it can be used in a variety of flooring system bases such as resin base, full polyurethane systems and polyurethane screed. It has high penetration and adhesion ability and is also used to fill cracks and joints. Epoxy primer manufactured by ichem is economical and easy to apply with short waiting times making it an ideal choice for multiple applications.

2.     Epoxy putty: Epoxy putty from ichem is also considered a base layer material that fill cracks and gaps and enhance the durability of surfaces and increase their resistance to corrosion and scratches to ensure their quality and increase their lifespan. Epoxy putty is characterized by its smooth filling on surfaces, which makes it versatile and ensures the preparation of an excellent base layer for painting subsequent epoxy layers and achieving the desired results.

3.     Epoxy paint: It is a type of high-performance industrial paint used for finishing and protection in a variety of applications such as industrial and commercial fields. This paint is tough and strong, perfect for areas with harsh conditions and heavy use.

4.     Self-leveling epoxy: It is a type of epoxy flooring used to cover damaged concrete floors, making them smooth and nice-looking. It is very strong against rust and chemicals, which makes it last a long time. Also, it is easy to clean and keeps the floors looking neat and new. This kind of epoxy flooring is great for places where how it looks and how it works both matters.

Waterproofing materials are essential in construction projects. Therefore,Ichem company manufactures high-quality waterproofing materials to ensure their performance efficiency. Here, we will mention the benefits of waterproofing.

1.    Preventing leaks and moisture protection: It forms an   effective barrier that prevents water and moisture from entering buildings, protecting them from damage, decay, and corrosion that may result from these leaks.

2.    Extending the lifespan of buildings: Waterproofing materials help extend the lifespan of buildings, because well-insulated buildings can last a long time and maintain their integrity without the need for frequent maintenance.

3.    Improve energy efficiency: Good insulation maintains internal temperatures to reduce the use of air conditioning or heating devices, which leads to reduced energy and electricity consumption.

4.    Easy to apply: Ichem company manufactures modern waterproofing materials that are easy to apply for a quick and uncomplicated insulation process, ensuring it doesn't take much time in the project's schedule.

5.    Diversity: Ichem provides multiple types of waterproofing to suit all projects and customer requirements, such as PVC and acrylic paints, making it a flexible and comprehensive solution.

Have any questions, suggestions or complains ?

Message us on whatsapp.

Expansion Joint Solutions

010 80029701

Construction Chemicals Solutions

010 10042900

Profiles

010 22000050

Concrete Additives

010 10027900
1