Primer Layer

Ready-to-apply scratch coat in acc. with TL/TPBEL-EP and H PMMA.

Brief Description

Wecryl 123 K is fast-curing, pre-filled and solvent-free scratch coat, tested in conjunction with Wecryl 123 on the basis of the “Technical Delivery Specifications / Technical Test Specifications for Catalyzed Resins for Primers, Sealants and Scratch Coats under Asphalt Surfacing on Concrete”, (TP-BEL-EP) and the additional H PMMA requirements. Wecryl 123 K may be used for the production of waterproofing systems consisting of a welded polymer-bitumen sheet on a PMMA-based seal coat for civil engineering structures.


2-component, fast-curing, catalysed PMMA-based resin (PMMA = polymethyl methacrylate)

RAL colours

Wecryl 123 K - Green
is available in the following standard colours:



he product can be used for new surfacing or existing surfacing that needs to be fully or partially replaced and that is applied to concrete bridge deck slabs, with welded polymer-bitumen sheeting as the waterproofing layer. Wecryl 123 K is approved and tested (test report no. 16/11057/01, Kiwa Flörsheim) in accordance with TL/TP-BEL-EP and H PMMA as well as the compatibility tests in accordance with TL/TP-BEL-B, part 1 and can therefore be applied as bridge deck surfacing on concrete with a welded polymerbitumen sheeting as waterproofing layer. Approved welded polymer-bitumen sheeting: • BÖRNER OK 50 N – Welded polymer-bitumen sheet • VEDAPONT BE – Welded polymer-bitumen sheet

Properties and advantages

  • Easy to apply
  • Fast-curing
  • Hydrolysis- and alkali-resistant
  • Heat-resistant (welded sheeting, mastic asphalt)
  • Solvent-free
  • Can be used at temperatures as low as 0 °C


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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