Hydrostop Sealing and stress-relieving roll

codex Hydrostop is a water-impermeable, crack-bridging sealing and decoupling membrane under tile and natural stone coverings. Suitable for reliable sealing of substrates exposed to moisture.


  • Shower systems in residential, commercial and industrial areas
  • For load classes A0, B0 as well as A, B and C according to the ZDB bulletin
  • For water impact classes W0-I, W1-I, W2-I according to DIN 18534
  • For water impact classes W1-B and W2-B according to DIN 18535
  • For showers, baths and toilets
  • For retirement homes and hotels
  • For interior use
  • On calcium sulphate and cementitious screeds, concrete
  • On gypsum, lime cement and cement plaster
  • On gypsum carton and gypsum board plates, tile carrier elements
  • On underfloor heating, on walls and floors


  • Waterproof
  • Flexible
  • Easy to process
  • Imprinted cutting grid
  • Low construction height
  • Ready for installation
  • It is not necessary to observe a minimum layer thickness of the waterproofing layer
  • Quick construction progress, as it can be booked early
  • Crack-bridging and decoupling
  • Ideal matching with codex sealing accessories
  • Polyethylene sheet with fleece fabric applied on both sides
  • With general test certificate by building authorities
  • Highest quality level 4 according to DGNB criterion ENV 1.2 Risks for the local environment
  • EMICODE EC1 PLUS / very low-emission
  • For healthy construction

codex Hydrostop is a sealing and decoupling membrane for quick and easy installation of a sealing layer.

Technical data

Pack type


Pack size

30 m² (30 x 1 m) or
42 m² (30 x 1.4 m)

Shelf life

24 months




30 m


1 m or 1.4 m


approx. 0.6 mm

Burning behaviour

B2 according to DIN 4102-1

SD value

122 m according to EN 15572

Ordering information

Article Packsize Shipping unit
codex Hydrostop / 30 m² 48474 30 m²
Pallet :
30 pieces
codex Hydrostop XL / 42 m² 159296 42 m²
Pallet :
30 pieces

Quality seals and badges



Boehringer Ingelheim

FehMare ,Fehmarn Island

Hotel Fritsch, Lochau, AT

Lympstone Manor Hotel, Exmouth, UK

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