Waterproofing Layer

Waterproofing under Protective and Covering Layers

Brief Description

Wecryl 279 is a high‐quality, highly flexible PMMA waterproofing resininstalled as a waterproofing layer with superior crack‐bridging propertiesunder protective and covering layers to create areas suitable for foot and vehicle traffic according to the German Committee on Reinforced Concrete (DAfStb) guidelines \"Protection and repair of concrete components\" (Class 10). The product may be also used as a sealing layer under poured asphalt in accordance with TL/TP‐BEL‐B 3 and DIN 18532‐6. Its liquid application makes seamless waterproofing of continuous areas possible – with or without embedded fleece. Wecryl 279 is part of the new Wecryl Surface Protection System OS 10 ‐ 2.0.


2‐component, fast‐curing, highly flexible, crack‐bridging PMMA‐based waterproofing resin (PMMA = polymethyl methacrylate)

RAL colours

Wecryl 279
is available in the following standard colours:

RAL 7030 stone grey


Wecryl 279 is used for waterproofing concrete structural components with separating cracks and regular mechanical stress, such as on parking decks, bridges, trough and tunnel floors. It is a highly flexible waterproofing layer with superior crack‐bridging properties under protective and covering layers for areas subject to foot and vehicle traffic.

Properties and advantages

  • Highly flexible and crack‐bridging even at temperatures as low as ‐30°C
  • (Class B 4.2 – dynamic crack bridging as per DIN EN 1062‐7)
  • (Class A 5 – static crack bridging as per DIN EN 1062‐7) Permanently weather‐resistant (UV‐, hydrolysis‐ and alkali-resistant)
  • Fully bonded to the substrate, no seepage
  • Fast, simple application
  • Rapid curing
  • Solvent‐free


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Postal address

WestWood® Liquid Technologies Ltd.
31 Morris Road,
Nuffield Industrial Estate
Poole, Dorset BH17 0GG
United Kingdom

+44 800 808 5480

Trade Association

  • LRWA
  • DIBt
  • NFRC
  • EOTA
  • BPA
  • BBA