Road tunnels and bridges

Road tunnels and bridges

Sealing systems built for safety, durability and environmental resilience. Road tunnels and bridges operate under intense and continuous stress from vibration, temperature shifts and traffic loading to moisture, groundwater pressure and harsh weather exposure. These structures also contain extensive electrical, communication and drainage networks, where every cable and pipe penetration must remain secure to protect users, maintain operations and meet stringent safety standards.

Designed for transport infrastructure demands

CSD’s sealing systems are engineered for long-term performance in demanding civil infrastructure environments. Our fire, water, gas and smoke-rated solutions are trusted across transportation projects to maintain structural integrity, prevent water ingress, and safeguard critical services within confined or exposed spaces. Designed for both new construction and major refurbishment programmes, CSD systems offer maintenance-free reliability with full re-entry capability for future inspections or upgrades.
Our Case Studies

High-performance watertight and gastight sealing

Tested up to 10 bar for flood-prone and below-grade environments

Up to 4 hours fire resistance (EI-rated)

To support tunnel safety and compartmentation requirements

Vibration and corrosion-resistant materials

Ideal for high-traffic and external structures

Maintenance-free systems

With 50+ year proven service life

Compliant with DNO, ATEX, WIMES and civil engineering standards

For critical service routes

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Applications across road tunnels and bridges

Some of the elements of your road tunnels and bridges that CSD Sealing Systems can protect with our world leading solutions:

  • Cable and pipe penetrations in tunnel walls, access chambers and service corridors
  • Underground duct sealing for traffic control, power and communication systems
  • Fire-rated sealing around mechanical and electrical rooms in tunnel complexes
  • Watertight sealing for bridge piers, abutments and service risers
  • Moisture and groundwater ingress protection in substructures and culverts
  • Retrofit sealing for refurbishment, safety upgrades and resilience programmes
View of traffic entering/exiting a road tunnel

Let’s protect your transport infrastructure together

Reach out to discuss tailored sealing strategies for your project.

Looking into a light road tunnel at night
“Over three decades, we’ve seen every kind of site condition and challenge. Our clients come to us because they know we’ll deliver the right solution every time. As industries evolve, so do we, by developing new products, expanding into new sectors and continuing to protect the infrastructure that keeps the world running.”

David Ripley

CSD Sealing Systems