CS 77 Fire Proof

Concept System 77 'Fireproof' window

The Reynaers CS 77 fire windows are designed to provide a stylish and effective solution to fire protection for internal and external areas. These versatile window and door systems can also be integrated into the Reynaers CW50 curtain wall solution.

Fire protection of either 30-minute or 60-minute capability is achieved by the addition of special cooling materials into the profile chambers.

Glazing, in single or double glazed units, and can be specified as either integrity only or the higher standard of insulation and integrity for additional performance.


  • Rebate height: 25 mm
  • Min. Glass thickness: 15 mm
  • Max. Glass thickness: 49 mm


  • Air tightness max. test pressure: 4 (600 Pa)
  • Water tightness: 9A (600 Pa)
  • Wind load resistance: C5 (2000 Pa)
  • Thermal insulation (Uf) 2.6 W/m²K

Product brochure

Concept System 77 'Fireproof' window

Other Products

Fire rated doors

Reynaers – CS77 FP  Door

Fire rated curtain walling

Reynaers – CW50 FP Curtain Wall

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