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Third party certifications:
  • Certifire Certificate

    Certificate type

Promat UK

Fire protection board for structural steelwork and mezzanine floors.

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+44 (0)800 145 6033 www.promat.com

A non-combustible mineral bound light weight board. It has a smooth matt upper surface and is off-white in appearance. It provides a high degree of strength, dimensional stability and fire performance to structural steelwork and also offers a quickly installed solution for the fire protection of mezzanine floors.

Features/ Benefits:

  • 30–120 minutes fire resistance dependent on application.
  • Cost effective.
  • Easy to work.
  • Good finish.

General information

Mineral bound calcium silicate

Uniclass 2015
Fibre-reinforced calcium silicate fire protection boards (Pr_25_71_52_24)Primary
Specification data - Fibre-reinforced calcium silicate fire protection boards
Product Reference



12 mm

8.4 kg/m² (dry).

15 mm

10.5 kg/m² (dry).

18 mm

12.6 kg/m² (dry).

20 mm

14 kg/m² (dry).

22 mm

15.4 kg/m² (dry).

25 mm

17.5 kg/m² (dry).

30 mm

21 kg/m² (dry).

Standard product features

Size (w x l):

1200 x 2500 mm.


Mineral bound calcium silicate.

Technical properties:

  • Dry density: 700 kg/m³.
  • Flexural strength: 3 N/mm².
  • Tensile strength: 1 N/mm².
  • Compressive strength: 4.7 N/mm².
  • pH: 9.
  • Thermal conductivity: 0.189 W/mK.
  • Moisture content: 1–2%.

Third party certifications
  • CF 422
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