Cordrain 1.15m x 30m

Cordrain is a geocomposite drainage sheet designed for vertical drainage behind retaining walls, bridge abutments, basement walls. Being lightweight it is also well suited for installations on steep building sites to replace the need for traditional expensive drainage gravels that are heavy and provide logistic problems for the installer.

Cordrain is designed to reduce hydrostatic pressure behind structure walls by providing a drainage path for rapid transportation of water to the base drain or weepholes. Cordrain assists waterproofing and provides an airlock between the drainage layer and wall. Cordrain eliminates the need for aggregate backfills in most soils.

APPLICATIONS

• Basement Walls – Cordrain™ intercepts groundwater before it reaches the structure. Cordrain™ also protects the waterproofing from damage during placement of backfill and provides a vapour barrier improving the effectiveness of the waterproofing.
• Retaining Walls – Sheet drainage attached to the rear of the retaining walls reduces hydrostatic pressure improving long term wall stability
• Box Culverts – The use of Cordrain™ around the outside of culverts controls leakage into the structure.
• Shotcrete Walls – Lightweight sheet drainage installed in strips or full coverage. The core provides a good surface for adhesion of the shotcrete.
• Bridge Abutments – Cordrain™ controls hydrostatic pressure that could reduce the stability of abutment walls

BENEFITS

• Effectively reduces hydrostatic pressure behind walls
• Provides a vapour barrier between drainage layer and wall
• Enhances the waterproofing of structures
• Cordrain™ typically eliminates the need for aggregate or sand backfill
• Lightweight and flexible for easy handling and speed of installation
• Chemically resistant to most naturally occurring soils
• Predictable performance having uniform material properties
• Reduces drainage space requirements
• Strong and durable polymer core protecting the waterproofing layer from installation damage