High-Flow Drainage for Green & Urban Spaces.

Drain Cell (20mm & 30mm)

TerraShield Drain Cell is a light-weight, high strength modular drainage cell designed primarily for subsurface drainage. It is manufactured from high strength recycled polyester and used in the construction of roof gardens, plaza decks, basements, concealed drains, planter boxes and sportfields. It is designed to withstand heavy loads imposed by mechanical equipment. Available in 20mm & 30mm high modules. Drain Cell modules interlock in the same plane and at right angles to one another.

Applications

Landscape decks and planter boxes

Sport fields and Golf Courses

Retaining / basement walls • Storm drains

Ground Water Management

Plaza decks, balconies and pool sides

Road edged drains

Sub-surfaced Drainage Systems

Water Sensitive Urban Designs (WSUD)

Roof gardens

Concealed drains

Features

• High flow capacity in compression — efficient subsurface drainage core.
• Thin, flexible profile saves space while protecting membranes.
• Integrates with geotextiles for filtration and clogging resistance.
• Durable polymer construction with long service life.
• Easy roll-out installation and quick connections to outlet drains.
• Protects waterproofing from point loads and backfill damage.
• Stable under repeated loading — suitable for plaza decks and green roofs.

Specifications