Choose your country:

DELTA® Garden Roof and Horizontal Drainage Systems

Gardenroof & Horizontal Drainage Systems.

With DELTA® Gardenroof Systems you can add effective drainage or combined water retention and drainage to extensive and intensive green roof applications.

Water Retention and Drainage for Garden Roofs.


Horizontal Drainage for Garden Roofs or Paver Applications.

DELTA®-DRAIN - Horizontal

DELTA® is a registered trademark of Ewald Dörken AG, Herdecke, Germany.

Current Tradeshows

Build Expo
Feb 4 - 5, 2015
Dallas, TX, USA

May 14 - 16, 2015
Atlanta, GA, USA

Western Roofing Expo
June 14 - 17, 2015
Las Vegas, NV, USA

June 24 - 25, 2015
San Diego, CA, USA

more tradeshows

More Information

System overview

Overview DELTA® Premium Moisture Protection System for Basements


Incorporate DELTA Products into your plans quickly and easily by downloading our design files from