Cuspated Drainage Sheet – Vertical Drainage Solution

Cuspated drainage sheet by Project Material is a high density polyethylene (HDPE) material designed to provide superior drainage in vertical or horizontal applications such as retaining and basement walls, garden beds, podium and roof gardens, tunnels and bridge abutments.

Cuspated drainage sheet replaces the conventional use of aggregates which are expensive and difficult to compact.

Cuspated, or also known as dimpled drainage sheet are geo-composite with either 12mm or 18mm thick HDPE core and non-woven geotextiles bonded to one side therefore commonly recommended for most building and civil engineering drainage applications.

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The integrated non-woven geotextile covering the dimples prevents soil particles blocking the drainage sheet, Dimples creates an air gap for reliable ventilation and allows inflow, with its dimple structure effectively captures and transports high water volumes and resists high loads from earth and formwork above.

The sheet is light weight and can be fixed to walls and roofs rapidly to provide a filtered, drainage membrane that will route ground water and gases away from the structure into subsoil drainage system.

The Cuspated sheet incorporates both waterproofing and drainage functions, making it a simple yet effective solution to underground construction applications.

Cuspated drainage sheet offers protection from backfill operations plus reduces water pressure on structures. The possibility of water ingress and can be effectively used in conjunction with other waterproofing systems.

Depending on the project demands cutting of the roll on site is easy to carry out.

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Benefits :

  • Quick and light weight easy to install. can be installed by unskilled labourer without any heavy machinery.
  • 90% void ratio providing maximum discharge capacity.
  • High void surface ratio ensures larger surface contact area for quick discharge and NO traditional clogging problems unlike gravel-based systems.
  • Made from prime material, guaranteed product quality and performance
    Environmentally friendly WSUDS for water management.
  • Proven High Load Bearing Capacity of 25 t/m2 + for various depth applications.
  • Complete 3 D flow throughout the hollow structure. Unlike gravel-based uni-directional systems which can clog up over time and cause surface flooding.
  • 20 years + Design Life.
  • Backed by stringent testing regime and constant QA/ QC.

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Applications :

  • Plaza Decks, Roof Decks and
  • Planter Boxes
  • Retaining Walls
  • Foundations and Basement Drain
  • Bridge abutments
  • Tunnel Drainage

Available Roll Sizes :

1.4m x 12mm x 20m (W x H x L)

1.4m x 18mm x 20m (W x H x L)

Related Products

20, 30mm Drainage Cell