With modern underground transport networks designed and built to offer a service life of more than 100 years, the sealing and waterproofing systems have become a vital specification, says DAVIDE TERRONE, specifications manager Middle East, Grace Construction Products*. Metro and underground railways are commonplace across the globe.

Chemicals specialist Sika’s latest innovation for structural waterproofing is a fully bonded, highly flexible membrane system, designed to be used for basement waterproofing on new constructions and for renovation work.