Cut-and-Cover

INTEGRITANK® is a highly durable spray applied liquid waterproofing membrane that delivers long-lasting protection for cut and cover tunnels.

INTEGRITANK®’s tough, durable, fully-bonded membrane is resistant to backfill, hydrostatic pressure and long term immersion in water.

Our solutions:

• Liquid waterproofing membranes: INTEGRITRANK®, Polyurea WPE

Our services:

• Waterproofing products and systems
• Waterproofing Design support
• On-site technical support
• Installation training
• Environmental Product Declarations

DE NEEF® injection resins are effective for cut and cover tunnels, where fast, reliable waterproofing is essential.

Non‑water‑soluble, they are designed to eliminate dilution, wash‑out, or leaching during and after injection, enabling short, efficient injection phases that align with tight excavation and backfilling schedules.

Our solutions:

• Waterstop: DE NEEF® HA Cut AF, DE NEEF® HA Cut CFL AF, DE NEEF® HA Safefoam NF, DE NEEF® HA Flex LV AF, DE NEEF® Gelacryl Superflex AR

Our services:

• Technical expertise supporting our applicators and contractors with method statements, technical solutions and extensive test data to deliver a proven and durable result.

Our speciality repair mortars are essential for reinstating concrete damaged by construction defects, age related deterioration, or corrosion. These repair mortars work systematically with the existing concrete, ensuring compatibility and long term performance. By doing so, we help extend the service life of the structure and restore its durability and integrity.

Systems can be selected depending upon the most appropriate application techniques and compatibly with corrosion solutions.

Our solutions:

• Repair mortars: Renderoc® LA/HS/HB, Conbextra® GP, webertec®

Our services:

• Selection advice for repair materials and techniques appropriate to the structure
• Training and supervision of specialist applications
• Products and advice for the management of corrosion

Fosroc and GCP provide a complementary, end‑to‑end joint protection solution for concrete and civil engineering structures, covering both water exclusion and long‑term durability.

By combining proven waterstop systems with high‑performance sealants, the joint offer ensures reliable protection against water ingress, movement, and aggressive environments across new build and refurbishment projects.

Our solutions:

• Waterstops: Supercast SW20, Adcor 500S, Supercast PVC, Servitite / Serviseal, Swellseal
• Sealants: Nitoseal MS320, Flamex MS320, Thioflex 600
• Joint Bandage: Expoband

Our services:

• Fosroc and GCP offer a coordinated, specification‑friendly joint protection package that addresses design, installation, and performance requirements for basements, infrastructure, water‑retaining structures, and commercial developments.

Cut‑and‑cover tunnel construction requires concrete solutions that ensure smooth placement, controlled setting, and long‑term durability.

Our admixture range is designed for foundations, walls, and top slabs, delivering reliable workability, easy placement in heavily reinforced sections, and consistent performance to keep construction safe, efficient, and on schedule.

Our solutions:

• Plasticizers & Superplasticizers: Chryso®Optima 1000, EnviroMix®, Quad®
• Retarders: Chryso®Tard, Chryso®Equalis
• Accelerators: Chryso®Daraset

Our services:

• Concrete mix design and on-site support
• Durability testing
• Pumping simulator