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In the world of construction, even the smallest gap can become a big problem if water starts leaking through it. This is especially true for construction joints, which are weak points in concrete structures. To prevent water leakage, engineers have traditionally used PVC waterstops. But today, a more advanced, flexible, and reliable solution is gaining popularity across the UAE — the AIMSWELL swellable bar.
If you’re a contractor, engineer, builder, or project manager looking for better joint waterproofing options, this blog will help you understand why AIMSWELL is a superior replacement for PVC waterstops.
AIMSWELL is a hydrophilic swellable bar developed AIM Industries. It is specially designed to expand when it comes into contact with water. This expansion helps it fill the gaps and cracks in construction joints, creating a tight seal that blocks water from passing through.
Made from high-quality thermoplastic polymers, AIMSWELL is built to withstand tough environmental conditions and deliver long-lasting waterproofing performance.
Learn MoreConcrete is often poured in sections during construction. The point where one pour ends and the next begins is called a construction joint. These joints are necessary for practical reasons, but they also create weak spots in the structure where water can seep in.
If not sealed properly, these joints can lead to:
That’s why choosing the right waterproofing solution for construction joints is critical.
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When exposed to water, the hydrophilic (water-attracting) components of AIMSWELL absorb moisture and expand. This expansion is controlled and predictable, filling voids within the joint and forming a watertight seal.
Unlike PVC waterstops, which rely on their physical shape and correct placement to block water, AIMSWELL actively responds to water and creates a barrier that strengthens over time.
| Property | Test Method | Value |
|---|---|---|
| Colour | - | Blue |
| Dimensions | - | 20 x 10 mm |
| Service Temperature | - | -50°C to +75°C |
| Swelling Capacity in Demineralised Water (7 days) | - | ≥2000% |
| Swelling Capacity in 8% Saline Solution (21 days) | - | ≥300% |
| Hardness | ISO 868 | Shore A - 25 |
| Density | ISO 2781 | 1.23 g/cm³ |
| Tensile Strength | ISO 37 | 1.2 MPa |
| Elongation at Break | ISO 37 | 550% |
| Tear Strength | ISO 34-1 Method C | 9 N/mm |
AIMSWELL is perfect for a wide range of applications in both residential and infrastructure projects, such as:
| Application Area | Usage Purpose |
|---|---|
| Construction Joints | Seal slab-to-wall or wall-to-wall connections |
| Precast Concrete Segments | Ensure watertight fit between precast units |
| Pipe Penetrations | Seal around pipes passing through concrete walls |
| Water Tanks & Pools | Prevent leakage in water-retaining structures |
| Foundations & Basements | Block groundwater seepage |
| Manholes & Utility Chambers | Waterproof critical underground structures |
AIMSWELL is perfect for a wide range of applications in both residential and infrastructure projects, such as:
| Feature | PVC Waterstops | AIMSWELL Swellable Bar |
|---|---|---|
| Material | Rigid PVC | Flexible thermoplastic |
| Working Principle | Blocks water physically | Expands when in contact with water |
| Installation | Needs exact placement inside formwork | Easily applied to surface using sealant |
| Adaptability to Cracks/Movement | Poor | Excellent |
| Waterproofing Efficiency | Passive | Active, self-sealing |
| Usability in Irregular Joints | Difficult | Adapts to all shapes |
| Chemical Resistance | Moderate | High (resists saline and ground water) |
| Environmental Conditions | Limited range | Wide (-50°C to +75°C) |
| Sustainability | PVC has recycling issues | Non-toxic, solvent-free |
One of the biggest advantages of AIMSWELL is its simple installation process. You don’t need specialised tools or training. Just follow these easy steps:
This easy application method helps contractors save time, reduce manpower, and avoid common installation mistakes seen with rigid waterstops.
Looking for high-performance, hassle-free waterproofing materials?
Reach out to AIM Industries today to get expert advice, quality products, and fast delivery.
Contact No.:- +971 6 534 5585
AIM INDUSTRIES is a premier manufacturer of waterproofing, insulation, and allied chemical solutions, offering high-quality building materials for project needs. In 2005, AIM INDUSTRIES joined the Al Sindbad group family, which has been a trusted name in the industry since its establishment in 1990.
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