Waterproofing Membranes

Wetrooms UK use RIW Tilesafe and RIW FWM to waterproof the floors and walls in our wetroom installations.

RIW Tilesafe

RIW Tilesafe has been designed to be used prior to the application of tiles, (including natural stone and porcelain) onto solid and timber floors in wetrooms and other critical rooms that require waterproofing. RIW Tilesafe is a heavy duty, cold applied, self adhesive waterproof membrane, consisting of a thick rubberised waterproof layer with a woven glass fibre mesh on one side.

RIW Tilesafe provides wetrooms with a consistent waterproof layer that is guaranteed not to leak when installed effectively. Conventional tile adhesives can then be used, which will bond to the glass fibre mesh.

RIW Tilesafe also acts as a valuable de-coupling membrane, as it allows the floor tiles to uncouple and accommodate any movement across the floor substrate. The membrane will also improve the sound insulation value (∆Lw) of a typical wetroom floor assembly by 11dB, as it acts as an acoustic barrier.

Al of the tests were carried out in accordance with BS EN ISO 140-8, and the results (∆L) were rated in accordance with BS EN ISO 717-2.

Key Features

  • Suitable for use on solid and timber floors in wetrooms
  • Lifetime Guarantee
  • Ready to tile
  • Consistent thickness of membrane
  • Acoustic properties
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tilesafe

Tilesure

Tilesure is the new name for RIW Tilesafe.

Tilesure is a heavy-duty self-adhesive waterproofing and decoupling membrane designed for use onto timber and solid floors.

Developed specifically for use in bathrooms, wetrooms and similar wet areas, Tilesure is comprised of a 1.4mm butyl-based membrane, with a copolymer top layer, which provides an excellent surface for the adhesion of natural stone, porcelain and ceramic tiles.

Tilesure waterproofing membrane is quick and easy to apply, providing a consistent waterproof layer, guaranteed not to leak. Tilesure also acts as a decoupling membrane by uncoupling the floor tiles and accommodating movement in the substrate, within a thickness of only 1.4mm. This omits the requirement for a traditional decoupling mat.

Tilesure also provides an effective barrier to the transition of water vapour.

Key Features

  • Lifetime Guarantee
  • Decoupling properties up to 12mm
  • Self adhesive - quick and easy to apply
  • Suitable for timber and solid floors including gypsum based anhydrite screeds
  • Ready to tile immediately
  • Suitable for use with electric and wet underfloor heating ‡1
  • 1.4mm factory controlled thickness
  • Compatible with silicone sealants & stone sealers

Tilesure Performance & Composition

Membrane Thickness 1.4mm
Reinforcing Tape Thickness 1.0 mm
Tensile Adhesion Strength 202.5N /50mm²
Water Vapour Transmission 0%
Tensile Strength (EN 12311-2)
- Longitudinal 59N /mm²
- Transversal 59N /mm²
Anti-fracture & Decoupling (Tinius Olsen) 12mm
Elongation
- Longitudinal ≥ 22%
- Transversal ≥ 15%
Joint Strength (EN 12317-2) 21N /50mm
Tear Resistance (EN 12310-1)
- Longitudinal 90N
- Transversal 65N
Loop Tack ≥ 33N
Peel Adhesion 180° ≥ 11N /10mm

Compatible with electric underfloor heating up to 150kw per m² Compatible with wet underfloor heating systems, provided the pipework does not come into direct contact with the membrane

RIW Flexible Wall Membrane

RIW Flexible Wall Membrane provides a flexible waterproof coating to walls prior to the application of wall tiles and natural stone in wetrooms and other critical areas that need waterproofing. The ready to use, solvent free, pale blue, soft paste, bonds to flawlessly to the adhesives used for applying ceramic tiles and natural stone to walls. FWM can be used on common wall substrates found in bathrooms such as plasterboard, gypsum or cementitious render, lightweight cement block or marine plywood. Please allow 24 hours before tiling.

Key Features

  • Solvent Free
  • Compatible for use with RIW Tilesafe
  • Lifetime Guarantee
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