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About Us
Browse by application

Waterproofing above ground level
Waterproofing at ground level
Waterproofing below ground level
Gas proofing
Browse by system

Flexiseal 500 HG
Flexiseal Pro
FWM
Heviseal
LAC^®
Toughseal
Toughseal ECO

Krystol Internal Membrane™ (KIM^®)
Krystol Waterstop Treatment™
Krytonite™ Swelling Waterstop

Sheetseal 9000 DPC

DPM Blue
DPM Red
Sheetseal 226

Sealing Compound / Granules
Structureseal
Waterstop

Cavity Drain
Double Drain
Plaster Drain
Sump Pumps/Aqua Channel

Cementjoint
MultiJoint

Cementfill FC
Cementfill HB
Cementflex
Cementseal

Gas Seal Black
Gas Seal HC
Liquid GM
Sheetseal GR
Structureseal GPT
Technical Downloads
CE Marking
Data Sheets
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NBS National BIM Library
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Sales & Stockists
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Specialist Waterproofing Contractors
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Videos
Going Underground competition
Blog
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Browse by application

Waterproofing above ground level
Waterproofing at ground level
Waterproofing below ground level
Gas proofing

Browse by system

Flexiseal 500 HG
Flexiseal Pro
FWM
Heviseal
LAC^®
Toughseal
Toughseal ECO

Krystol Internal Membrane™ (KIM^®)
Krystol Waterstop Treatment™
Krytonite™ Swelling Waterstop

Sheetseal 9000 DPC

DPM Blue
DPM Red
Sheetseal 226

Sealing Compound / Granules
Structureseal
Waterstop

Cavity Drain
Double Drain
Plaster Drain
Sump Pumps/Aqua Channel

Cementjoint
MultiJoint

Cementfill FC
Cementfill HB
Cementflex
Cementseal

Gas Seal Black
Gas Seal HC
Liquid GM
Sheetseal GR
Structureseal GPT

Technical Downloads

CE Marking
Data Sheets
Method Statements
NBS National BIM Library
NBS Specification Clauses
Safety Data Sheets
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Home / Knowledge bank / Videos / Welcome to the Underworld - Interview with Bob Lang at Arup

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Welcome to the Underworld - Interview with Bob Lang at Arup

Here, Bob Lang, Director for Arup, discusses underground construction

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