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RIW Screedsafe - Waterproof tile membrane

RIW Screedsafe - Waterproof tile membrane


Self-adhesive, waterproofing membrane for use beneath tiles.

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+44 (0)1344 397777 www.riw.co.uk

RIW Screedsafe system has been developed for use internally, onto concrete or screed floor surfaces, to provide waterproofing beneath ceramic tiles in bath/ shower rooms and other wet areas.

It is a self-adhesive membrane, consisting of a rubber modified bitumen waterproof layer, incorporating a woven fabric on one face.


All surfaces are to be clean, dry, free from dust, grease and oil, etc. Surfaces must be smooth, sound and flat, with all indentations filled with suitable fillers and all protrusions struck off.

General information

Ideal for apartment buildings and hotels, as well as domestic use; Quick and easy to apply; Will accommodate movement in substrate; Factory controlled thickness




RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated., The products must be installed in accordance with RIW written instructions, and following installation must not be subjected to any damage or long-term UV exposure

Uniclass 2015
Pr_25_57_08_08 Bitumen sheetsPrimary
Specification data - Bitumen sheets
Product Reference

RIW Screedsafe


RIW Screedsafe Primer


RIW Screedsafe Jointing Compound

RIW Screedsafe Putty


RIW Screedsafe Reinforcing Strip

RIW Pre-formed corners



Standard product features


1 mm.

Product Options


  • Butt joint: 1–3 mm gap.
  • All butt joints in the membrane, wall-to-wall and wall-to-floor interfaces and at pipe entries to be sealed with RIW Screedsafe Jointing Compound, gun applied.
  • All small gaps or voids around pipe entries etc to be filled with RIW Screedsafe Putty prior to application of jointing compound.


  • RIW Screedsafe Reinforcing Tape to reinforce all wall junctions, butt joints and other detail work in membrane.
  • RIW Pre-formed Corners to simplify the installation at internal corners.

Digital objects
PlatformCompatibleVersionCertified to
IFC2X3 1 1.3
Revit 2016 2 2.0
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