PY4 is a two component, fast setting polyester resin mortar. It is particularly suitable for rapid installation and reinstatement in heavily trafficked areas.

Effective for the rapid installation and reinstatement of manhole covers and frames in heavily trafficked areas.


  • HAPAS Approved since 2005
  • Rapid strength gain
  • Conforms to HA104/09
  • Compressive strength of 61.5N/mm2 in 1 hour
  • Open to traffic: 40 minutes