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Soprema FLAGON used for London underground projects

Soprema FLAGON used for London underground projects

The Soprema Flagon Tunnel Waterproofing System has been specified for numerous underground projects across London.

Projects for clients such as Crossrail, TFL and London Underground have benefitted from Soprema’s invaluable tunnel and waterproofing systems experience.

Soprema were able to ensure faultless waterproofing by working closely with the project designers and managers from the early stages of the project right through to completion.

Every underground project has continued to develop further knowledge and confidence in the Soprema tunnel waterproofing system amongst project designers and project stakeholders.

The waterproofing systems used consist of various materials for sealing, draining and protecting, whilst also facilitating inspection and repair possibilities both during and after construction.

Projects completed using Soprema Flagon include:


•C305 Stepney Green Caverns, 5000m2
•C300/410 Fisher Street Shaft, 2000m2
•C305 Running Tunnels, 2000m2
•C310 Thames Tunnel, 2000m2
•C360 Mile End Shaft, 2500m2
•C360 Eleanor Street Shaft, 7000m2
•C510 Whitechapel Station, 36000m2
•C510 Liverpool Street Station, 38000m2


•Vauxhall Station Passenger Tunnels, 3000m2

London Underground

•Victoria Station Passenger Tunnels, 10000m2
•Victoria Station Shaft PAL 2, 2000m2

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Soprema are experts in waterproofing and insulation

Delivering expertly designed and manufactured waterproofing and insulation systems to suit every construction project, including:

• Bituminous waterproofing
• Synthetic...
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T+44 (0) 330 058 0668
F08451 948 728
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