SIDERISE CW-FB | Curtain Wall Fire Board

SIDERISE CW-FB Curtain Wall Fireboard is a high density stonewool board specifically engineered to provide high levels of structural fire protection.

  • Protects mullions and transoms
  • Maximises the stability and integrity of framing elements and spandrel construction
  • Approved design that extends the rating of the compartment floor to the exterior wall
  • Fully tested to EN 1364-4: 2014 and certified up to REI210
  • Market leading performance


SIDERISE CW-FB curtain wall fireboard  forms part of a perimeter barrier firestop and spandrel zone protection system for use with non-fire rated aluminium curtain wall façades. CW-FB and CW-FS (perimeter barrier and fire stop systems), have been jointly tested in conjunction with non-fire rated aluminium curtain wall assemblies to provide market leading fire resistance performance for the critical spandrel zone.