mcr Dunaboard - intumescent-paint coated mineral wool board

Mineral wool board coated with:

1. the mcr Polylack F intumescent paint

European Technical Approval ETA-18/0171

Certificate of Constancy of Performance: 1488-CPR-0680/W

Declaration of Performance: 81070

2. the mcr Polylack Elastic paint

European Technical Approval  ETA-18/0169


The mcr mineral wool Dunaboards are factory-coated with one layer of either the mcr Polylack F or the mcr Polylack Elastic paint.

They are designed for fire sealing of installation penetrations using the mcr Polylack technology.

The use of ready-made mcr Dunaboards significantly accelerates the installation of fire seals for system penetrations.

The boards are available in the size of 1000 x 600 x 60 mm.

Get in touch

  • simple to use – identical sealing principles for various penetration configurations
  • the possibility of sealing combined penetrations
  • time and material saving, fewer installation mistakes

Partition thicknesses (minimum values):

  • 100 mm – rigid walls
  • 100 mm – vulnerable walls, e.g. made of gypsum boards
  • 150 mm – concrete, reinforced concrete or cellular concrete ceilings

The maximum size of a combined penetration is 1200 x 1800 mm.