RIW Plaster Drain Data Sheet

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Plaster Drain is an internal drainage membrane, used to channel water ingress to a sump or collection point for disposal or to separate new finishes from a damp wall.

 

Internal Drainage Membrane

Plaster Drain is a 0.5mm thick clear HDPE profiled sheet with 5mm undercut studs, in a dovetail shape, which forms a key for plaster or render finishes.

Typical Uses of Plaster Drain

  • Basements
  • Sub-structures
  • Internal vapour barrier

Features & Benefits of Plaster Drain

  • Easy to install to most substrates
  • Applied to concrete & masonry
  • High drainage capacity
  • Can be applied to wet substrates
  • Complete water and water vapour barrier
  • Chemically resistant

Plaster Drain Downloads

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Plasterdrain

Plasterdrain
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RIW Plaster Drain

RIW Plaster Drain

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Last Updated: 2026-03-22

https://gcpat.uk/en-gb/solutions/products/riw-plaster-drain-data-sheet