Remak® Rockwool CFB - Fire Retardant Solution Through Floors


Remak® Rockwool mineral wool is produced from 100% natural basalt rock, its melting point is about 1350ºC. The insulation meets the strict requirements for fire safety. It is used for insulation and fire protection systems.

Remak® Rockwoool is one of the most effective fire-resistant materials. It is naturally non-combustible and possesses better fire-resistant properties than most other commonly known insulation materials.

 Remak® Rockwool CFB is designed for use in the fire protection applications.

The product has higher heat resistance, longer fire suppression time and smaller high temperature linear shrinkage.

The CFB product is not only used for fireproofing through floors, but also used as fire partitions or fire door cores…

It is used for applications up to 850ºC and has a melting point more than 1000ºC.

Recommended Products


Thickness (mm)

Size (mm)

Remak® Rockwool CFB60

50 – 150

600 x 1200

Remak® Rockwool CFB80

50 – 150

600 x 1200

Remak® Rockwool CFB100

40 – 150

600 x 1200

Remak® Rockwool CFB120

40 – 150

600 x 1200

Remak® Rockwool CFB140

40 – 130

600 x 1200

* Finished surface: Aluminum foil | Glass cloth






Euroclass A1 to BS EN 13501 – 1


Remak® Rockwool CFB 0.036 W/mk

Compressive strength

Remak® Rockwool CFB < 850°C

Tensile strength

Remak® Rockwool CFB > 1000°C