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Expansion Joints
Expansion joints: precision foam solutions for critical infrastructure
At Kewell Converters, we specialise in providing high-quality, custom-engineered foam expansion joints designed to meet the rigorous demands of the military, defence, aerospace, and industrial sectors. With over 50 years of expertise in foam conversion, we offer tailored solutions that ensure durability, performance, and compliance with stringent industry standards.
What are expansion joints?
Expansion joints, also known as movement joints, are essential components in construction and infrastructure projects. They are designed to absorb and accommodate the thermal expansion and contraction of materials, preventing structural damage. Commonly found in bridges, buildings, pipelines, and other critical structures, expansion joints ensure the integrity and longevity of these assets.
EVAZOTE® foam
The ideal material for expansion joints
We utilise EVAZOTE® foam, a closed-cell, cross-linked ethylene copolymer, renowned for its exceptional properties.
EVAZOTE® foam’s resilience and adaptability make it the preferred choice for expansion joint applications in various sectors.
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Chemical resistance
Resistant to petroleum products, road salts, and harsh chemicals, ensuring longevity in exposed environments
Elasticity
Offers significant compression, tension, and shear capabilities, adapting to thermal movements without compromising structural integrity
Durability
Maintains performance under extreme temperatures and environmental conditions, making it suitable for demanding applications.
Why choose Kewell Converters for your expansion joint needs?
- Specialised expertise: as an independent foam converter with over five decades of experience, we possess in-depth knowledge of foam materials and their applications
- Custom solutions: we offer bespoke foam expansion joints tailored to your specific requirements, ensuring optimal performance and fit
- End-to-end service: from initial consultation and design to fabrication and delivery, we manage the entire process, reducing your supplier base and simplifying procurement
- Advanced manufacturing: our state-of-the-art facility in Kent is equipped with the latest CAD design and CNC machining technologies, enabling precise and efficient production
- Quality assurance: we adhere to strict quality control measures and industry standards, ensuring that our products meet the highest specifications.
Applications of foam expansion joints
Our foam expansion joints are utilised in various critical applications:
Infrastructure projects
bridges, tunnels, and highways requiring durable and flexible joints to accommodate thermal movements
Industrial facilities
pipelines, reactors, and storage tanks where chemical resistance and thermal stability are paramount
Aerospace and defence
aircraft and military equipment demanding lightweight, high-performance sealing solutions
Ready to discuss your project?
If you’re seeking a reliable partner for your foam expansion joint requirements, Kewell Converters is here to assist. Our commitment to quality, innovation, and customer satisfaction makes us the preferred choice for high-performance foam solutions.
Contact us today to discuss your project and discover how our expertise can benefit your operations.
FAQs
EVAZOTE® foam offers superior chemical resistance, durability, and elasticity. It performs consistently in extreme conditions and resists degradation from petroleum products, road salts, and UV exposure—ideal for demanding environments like defence infrastructure or aerospace.
Our expansion joints are widely used in infrastructure (bridges, tunnels, pavements), aerospace (insulation and vibration control), military equipment, and industrial applications where temperature fluctuations and chemical resistance are critical.
Yes. Every expansion joint we produce is fully customisable. We use in-house CAD and CNC technology to precisely manufacture expansion joints to your exact specifications.
Absolutely. Our engineering team works closely with you from day one—helping you select the right foam material, optimise your design, and ensure it performs reliably under operational stresses.
Yes. We adhere to strict aerospace, defence, and industrial standards for thermal resistance, chemical performance, flame retardancy, and mechanical strength.
