Franzen ceiling flaps

Fire resistant ceiling flaps T90 and multi purpose ceiling flaps

• Franzen T90 THF Franzen T90 THFsingle-leaf fire resistant ceiling flap"System Schröders"
• Franzen T90 THF Franzen T90 THFsingle-leaf smoke control ceiling flap"System Schröders"
• Franzen DKN-1 Franzen DKN-1single-leaf multi purpose ceiling flap 
• Franzen DKN-2 Franzen DKN-2double-leaf multi purpose ceiling flap