RIW LAC – 5L & 25L


Net: £46.00 - £187.50

RIW LAC – 5L & 25L


Net: £46.00 - £187.50

RIW LAC (Liquid Asphaltic Composition) is a damp proof membrane made from a bitumen solution. It’s an easy-to-apply, sulphate resistant material that can be utilised for a number of building projects.

RIW LAC uses

Common uses include:

  • Damp proofing basements and ground floors
  • Between plaster and cladding as a protective coating

RIW LAC advantages

  • Creates a barrier for water and water vapour
  • Radon barrier
  • Elastic and malleable
  • RIW LAC can be applied via roller, brush or spray
  • Black gloss finish when dry
  • Doesn’t peel or crack
  • Multi-functional

Size: 5L & 25L

Download RIW LAC Product Info (PDF)

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Additional information


5L, 25L

Consistent finish

Black gloss effect once dried

Highly resistant

Can act as a barrier against Radon gas