Major project – “Lisbon”
Lisbon sports stadium, Portugal

Around 30.000 m² dimpled sheet type ISO-DRAIN 20 installed!
ISO-DRAIN dimpled sheets in typical use as a blinding bed between construction foil and steal grid: ideal protection for the building to over 30.000 m².
ISO-DRAIN dimpled sheets as a blinding bed:
ISO-DRAIN 20 serves as a clean layer which can assume the function of the previously used lean concrete. The construction works is protected against rising moisture.

Overview of advantages:
- no further excavation
- no lean concrete layer
- easy installation
- No time-loss (continue working immediately), regardless of weather condition
- Cost-effective
- extremely resistant