FireMaster Concertina “Closed” Fire Curtain – BS 8524

Key Information
  • Curtain Types: Fire Curtains
  • Product Standards: BS 8524-1, BS EN 1634-3
  • Standards: BS - British
  • Orientations: Multi-sided (Concertina)
  • Integrity Ratings: Up to 240 mins
  • Radiation Ratings: Up to 30 mins
  • Special Features: Compliant to BS 8524-1. Fire resistant for up to 240mins. Bespoke shapes and sizes possible. With Smoke Control to BS EN 1634-3
Concertina Fire Curtain at Aldgate Tower in London
fire icon Concertina icon 240 minutes fire rating Smoke icon

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Sizes and Classification | Description | Downloads | Resources

Select your Product Standard:

BS 8524-1 BS EN 1634-1 UL 10D

Concertina - Closed Unlimited width x 5m drop (Maximum Size) E240 EW30
Concertina - Closed Unlimited width x 8m drop (Maximum Size) E120 EW30


THE FIREMASTER CONCERTINA innovative design gives architects, consultants, specifiers and owner/occupiers a whole new way to approach building design, maximising floor space AND allowing open plan designs

Concertina fire curtain

Applications: Atrium, Boundary Protection, Compartmentation, Stairs and Escalators.

The BS 8524-1 compliant FireMaster Concertina “closed ” system is bespoke to each project and is available in closed shapes, such as squares and faceted circles, in any width with a maximum drop of 8 metres (5 metre drop if 240 minutes integrity is required).

The Closed Concertina is fully enclosed and does not require side channels. Common Closed Concertina curtains are square, rectangular and circular (multi-faceted) shapes.

The FireMaster Concertina fire curtain is a unique folded vertical fire curtain barrier system that is compliant to BS 8524-1 to protect from fire for up to 240 minutes. (*See published standards for full listings).

Tested to BS EN 1634-3:2004 for ‘Smoke Control’ (in accordance with BS 8524-1 Annex F (Calculation of ambient temperature smoke leakage)) not exceeding 3m³/m/hour.

Discover our Concertina Fire Curtain Installation Project List.


BIM and NBS Source

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Coopers Fire can offer support with your BIM Project.
Find out more about Coopers Fire BIM capabilities and how we can help.

All fire and smoke curtains are manufactured to bespoke sizes. To discuss your requirements GET IN TOUCH 

Specification without Smoke Control Download
Specification with Smoke Control Download
Certificate Download
Brochure Download
Brochure - Concertina Closed with Smoke Control Download
Fixings for Steel, Concrete, Timber, I Beam and Unistrut - Contact Coopers Fire Download
Headbox - Compact - PDF Only Download
Headbox - Compact - Full Drawing Pack Download
Headbox - Standard - PDF Only Download
Headbox - Standard - Full Drawing Pack Download
Headbox Fixing, Bottom Bar and Capping Variations - PDF only Download
Headbox Fixing, Bottom Bar and Capping Variations - Full Drawing Pack Download
Fabric Datasheet Download
Controls Download
Declaration of Performance without Smoke Control Download
Declaration of Performance with Smoke Control Download


There are different features available for the Coopers Fire range of fire curtains and smoke curtain barriers. Click on the button below to find out more about Optional Extras, Drives and Controls, Site Wiring Diagrams and other product-related downloads.