CS 77 Fire Proof

CS 77 Fire Proof

Concept System 77 'Fireproof' door

Optimised safety and comfort

Concept System® 77-FP includes a high-quality flush door system, which meets the elevated requirements regarding  fire resistance according to European standards. 
With regard to security, different door variants are specially designed and tested for burglar resistance, smoke control and solutions for panic situations.

This fire resistant door range is available in classifications EW 30, EI 30 and EI 60 in a wide range of inward and outward opening types, realised with a wide range of door locks to meet every kind of locking demand, including motorized hardware.

Technical information


Min. Visible width frame-vent: inward opening150 mm 
Max. height vent2750 mm 
Max. width vent1320 mm 
Rebate height25 mm 
Min. Glass thickness15 mm 
Max. Glass thickness49 mm 


Air tightness max. test pressure4 (600 Pa)
Water tightness7A (300 Pa)
Wind load resistanceC2 (800 Pa)

Opening elements

  • Inward Opening Single DoorInward Opening Single Door
  • Inward Opening Double ZT DoorInward Opening Double ZT Door
  • Outward Opening Single DoorOutward Opening Single Door
  • Outward Opening Double ZT DoorOutward Opening Double ZT Door