PROMASEAL®-LW is a reliable intumescent seal that expands at a temperature of approx. 300 °C. It creates no pressure on expansion and multiplies its volume in the event of fire.

Further Information


  • Intumescent seal for glazing


  • Reliable and aesthetic seal against fire and smoke;
  • Expands without pressure;
  • Excellent insulation;
  • Easy to install;
  • Free from organic solvents and halogens

Please note
All physical and mechanical values are averages based on standard production and tested according to internal procedures. The typical values are given for guidance. The figures can change dependent on the test methods used. If a particular value is of prime importance for a specification, please consult Promat Technical Department.