The combined drainage and compound laying system for protection from shearing force, specially for high-load outdoor steps.


  • Single, one-piece drainage system using angled elements pre-shaped in the factory.
  • Unique intelligent special fleece.
    Will slowly disintegrate after hardening of the laying mortar, preventing the fleece pores becoming blocked by limescale.
  • Drainage provides reliable protection
    from frost damage and efflorescence caused by accumulated water. Speeds up drying of natural stone.
  • 6 year warranty for specialist companies.

Complete system

Produktaufbau AquaDrain SD | © Gutjahr Systemtechnik

AquaDrain® SD water guidance strip

2 AquaDrain® SD - Type 2 Step drainage mats
3 TerraMaxx® PF-FM Fixing compound as adhesive/contact layer

Contact layer for drainage mortar

4 MorTec® DRAIN-ZE Drainage mortar

Mortar bands/strips made from drainage mortar


Block/solid steps made from natural stone or concrete


AquaDrain® UB universal tape


AquaDrain® SD step drainage
AquaDrain SD for outdoor steps. Clearly explained here in 7 minutes 7 seconds.

Brief technical information

Area of application For outdoor steps in heavily used private and public areas. Specially for covering types with the required adhesion to the substrate in the entrance area.
Types of covering Coverings such as those recommended by the covering manufacturer for the respective application area and the respective type of covering laying are suitable.
Substrates Substrates must be level, load bearing and solid. They must be non-resilient and non-compressible.
Load-bearing capacity Depending on the covering material and the covering bedding
Drainage performance Depending on the drainage mortar and the bedding mortar
Substrate gradients ≥ 2.00 %