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Durasteel Composite Barrier System

Promat UK Variant:

Fireproof boards for use with internal walling.

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+44 (0)800 145 6033


For use with internal walling. DURASTEEL® systems have been used successfully for many years, including rail and metro projects, military developments and in commercial, pharmaceutical and petrochemical facilities.


Fireproof boards for use with internal walling.

Features and benefits:

  • Combine lightness, strength, impact resistance and durability with exceptional fire resistance.
  • Systems remain resistant to firefighters’ hoses, leaving them capable of performing their original function even in the aftermath of a fire.
  • Gap in the Durasteel and Promatect 250 board facing is covered with a Durasteel and Promatect 250 board cover panel.

General information







Vertical and horizontal channel members.


2500 x 1200 mm

Uniclass 2015

Ss_25_10_30_70 Rigid sheet partition systemsPrimary


K10/125 Metal stud partition system

K10/30 Metal stud

K40/10 Unit/ modular suspended ceilings

Specification data - Rigid sheet partition systems Enhanced data


Manufacturer's standard.

For internal surfaces PROMATECT® 250 boards fixed at 600 mm centres. For horizontal jointing boards are fitted with an internal 100 x 15 mm PROMATECT® 250 cover strip fixed at both sides of the joint at 250 mm nominal centres. Vertical jointing is to coincide with studs and DURASTEEL® sheet to be fixed to PROMATECT® 250 board at 250 mm centres.

Cavity fire barriers

120 minutes' insulation.


Manufacturer's standard.

Tapping Tek screws at 250 mm nominal centres. M10 steel nuts and bolts used to fasten vertical channels.

Product Reference

Durasteel Composite Barrier System

Board thickness

Thickness dependent on Cavity fire barriers option specified.

9.5 mm.

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Durasteel Fire Barrier

Durasteel Fire Barrier