CSD Sealing Systems CSD Sealing Systems
Civil construction

Civil construction

Engineered sealing systems for the UK’s most demanding civil environments. Civil construction projects demand absolute confidence in the performance of every component. Sealing failures can lead to water ingress, corrosion, service outages, safety hazards and significant long-term costs. In environments where pressures, loads and environmental exposure are extreme, only proven, certified sealing systems will do.

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Designed for Civil Construction demands

CSD’s multi-hazard protection solutions are trusted across major civil engineering works, including highways, rail infrastructure, utilities, energy networks, defence installations, coastal works and large-scale public realm projects. Our systems ensure robust, long-term barriers against water, fire, smoke, gas and environmental contamination.
Our Case Studies

Watertight and gastight performance

Tested up to 10 bar for high-pressure environments

Long-term durability

With a proven service life exceeding 50 years

Fire protection up to 4 hours (EI-rated)

For tunnels, underground structures and plant areas

Resistant to chemical exposure, groundwater contamination and harsh weather

Maintenance-free systems

Suited for difficult-to-access or safety-critical locations

Re-enterable solutions

Enabling future service expansion without structural disruption

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Applications in Civil Construction projects

Some of the elements of your civil assets that CSD Sealing Systems can protect with our world leading solutions:

  • Underground duct sealing for utilities, fibre routes and power distribution
  • Service penetrations in tunnels, bridges, culverts and transport corridors
  • Sealing of external wall penetrations in retaining structures and substations
  • Below-ground watertight sealing for chambers, basements and pump stations
  • Fire-rated penetration sealing in enclosed civil spaces and operational buildings
  • Corrosion-resistant sealing solutions for coastal, marine or water-adjacent structures
  • Retrofit sealing to upgrade ageing assets and extend service life
Aerial view of bridge construction

Key Sealing Solutions

Explore the products designed to help protect the cable and pipe entries, entry points and cable ducts in your civil construction projects.

Let’s protect your civil infrastructure together

Reach out to discuss tailored sealing strategies for your civil project.

Consent
“CSD Technical Services delivered the water, and gastight sealing works to a high standard across our control room and DNO substation. Their support contributed effectively to our wider climate action plan, including the installation of a new solar farm and battery storage system. We were very satisfied with the work and will be considering CSD for future projects.”

CSD client

Morrison Data Services