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Mira Shower Tanking Kit - Wet Room Membrane

The Mira Shower Tanking & Waterproofing Kit is perfect for sealing and waterproofing wetroom shower trays, sealing the joints between tile backer boards, as well as junctions between floors and walls.
15096, 15095, 13858

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List Price: £78.56 inc.VAT
£53.96 inc.VAT (£44.97 ex.VAT)
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The Mira Shower Tanking & Waterproofing Kit is perfect for sealing and waterproofing wetroom shower trays, sealing the joints between tile backer boards, as well as junctions between floors and walls. The kit includes the highest quality Danish materials put together into a kit which covers at least 6-8 square metres.

Mira Shower Tanking Kit is a ready to use highly flexible synthetic latex coating
developed for application to a broad range of construction substrates prior to tiling. The cured
coating remains elastic and forms a seamless barrier to water. Main application areas are internal
and external walls and floors where water protection is required including wetrooms, bathrooms,
showers, terraces and balconies.

Waterproofing kit for shower walls, corners and pipes. Professional & DIY solution to creating a sealed area ready for tiling. Economical and 100% waterproof.

This kit consists of:

  • 1 Kg Mira 4180 Concentrated Acrylic Primer
  • 6 Kg Mira 4400 Tanking Membrane
  • 25 LM Safecoat Fibre Roll (25m x 0.1m)
  • 2 Mira Waterproofing Internal Corners

Highly elastic, viscous material for water insulation in wet rooms: bathrooms, terraces, balconies, washing room’s etc.


  • Waterproof
  • Frost resistant (after hardening)
  • No thinners
  • Highly adhesive
  • For indoor and outdoor use
  • Applicable on vertical and horizontal surfaces
  • For use directly under tile substrate
  • Forms rubber-like membrane after drying-up
  • Easy in preparation Use

Used for forming of 100% waterproof, elastic, joint-less membrane for water insulation on floors, walls, in wall and wall/floor corners, connections of wall joints between panels or elements, pipe junctions in wet zone of wet rooms. 4400 multicoat is used as a humidity and water protection layer on concrete floor, plaster, light weight concrete, fully joint brick wall, cement or anhydrite based substrate
screed, plaster board, wooden based panels and old ceramic facings.

The water shall be “pressure-free” i.e. 4400 multicoat must not be used in swimming pools etc. Is also applicable on heated substrates. Ceramic, clinker and stone tiles can be fixed directly on the multicoat layer.

Substrate preparation
The substrate must be dry, compact, cleaned of dust, grease, oil etc. Concrete slurry (if any) should be removed, weaker parts of substrate should be removed and then repaired again. Remove dust with a vacuum cleaner. Grease, oil, dirt should be cleaned with 7110 base cleaner. The entire surface should be clean of dust.

Absorptive substrates should be primed with mira 4180 sealer, thinned with water in the ratio: 1 part of 4180 sealer and 3 parts of water. Non-absorptive substrates e.g. painted or made of ceramic tiles shall not be primed. When the surface is dry mira 4400 multicoat can be applied.

Technical conditions

  • Mixing - 4400 multicoat is ready-to-use and must not be thinned. Stir slowly the mass in the can/bucket before use.
  • Application -Spread the mass with a brush, roll or a trowel. First protect corners, wall/wall and wall/floor, joints between panels or elements by covering them with two layers of 4400 multicoat filled with safe coat strip; water installation inlets and water
    outlets should be protected with special flanges of safe coat called seal manchet. On walls 2 layers of 4400 multicoat should be laid, without safe coat. The second layer should be spread when the first is dried-up after 1-2 hours
  • Floor insulation should be done during one working cycle. The safe coat mat should be covered completely with the second layer of 4400 multicoat to reach the proper thickness of min. 1,5 mm.
  • Temperature/weather condition - Minimum air and substrate temperature +6°C When applied outdoor (terraces, balconies), protect the mass from intensive sunlight and rain.
  • Application time - Non used 4400 multicoat in the packing can be stored in closed can/bucket.
  • Hardening time - The membrane is totally dry after approx. 12 hrs in the temperature of 10-15°C.

Walls: min. 1 kg/m2
Floor: min. 1,5 kg/m2
Connections wall / floor, wall corners, joints of panels and elements: 200 – 300
g/running meter

Technical data
Based on synthetic latex, binders and mineral pigments
Extensibility ca. 1200%
Temperature resistance -20 to + 120°C
Membrane thickness wall min. 1 mm – floor min. 1,5 mm
Stepping-on / tile laying after 12 hrs