Building: Door & Window Seals

The TEFABLOC™ TPE product range is a durable EPDM rubber substitute offering a number of benefits and approved grades, including light colors, by major European bodies (CSTB, SKZ and BSI).

comprehensive PRODUCT range

In the European market, MCPP offers the widest range of material solutions for all types of doors and windows including wood, PVC and aluminum. 


  • TEFABLOC™: TPE range marketed as an EPDM rubber substitute without the need for vulcanization or cross-linking like EPDM does.
  • SUNPRENE™: High performance elastomeric vinyl based compounds (PVC-P).

In addition to rubber like behavior, TEFABLOC™ has a flexible processing window. The chemical nature of the material provides long term weathering stability even for light colours and new engineering design possibilities including multi-materials.

SUNPRENE™ - formerly named MARVYLEX™ in Europe - is well known for its excellent elastic memory, making it well suited for both dynamic seals and PVC profile static seals and can be co-extruded or post-co-extruded.



  • Weathering ability
  • Elastic-recovery
  • CSTB, SKZ, BSI homologations

  • Multi-material design
  • All colours
  • Easy cleaning

  • No cross-linking
  • Post/Co-extrusion
  • Recyclability


According to applications, country and region, material are homologated according to:

  • CSTB − QB36 certification for flexible materials (List of certified materials according to QB36)
  • RAL − GKFP (Gütegemeinschaft Kunststoff−Fensterprofilsysteme e.V): RAL GZ 716/1 (CLASS IV & CLASS V)
  • BSI (class A - class B)



Please visit the PRODUCT pages and the PRODUCT FINDER section for more information.

As of mid 2016, the global brand names for vinyl based compounds are:

  • VINIKA™: specialty rigid PVC-U and flexible PVC-P compounds
  • SUNPRENE™: high performance elastomeric vinyl based compounds (PVC-P)

VINIKA™ and SUNPRENE™ respectively replace TEFANYL™ and MARVYLEX™ in Europe