General
Outside height	196 mm
Outside width	350 mm
Inner height	103 mm
Inner width	254 mm
Length	500 mm
Useful cross section	26162 mm²
Number of flame durable sides	4
Material insulating material	Other
Sheathing	Steel
Surface protection	Continuously galvanized and coated
Colour	Other
Cover attachment	Screw tight
Partitions possible
Mounting perforation in bottom
Suitable for outdoor installation

Fire protection duct functional integrity E90/E30 FWK 90 100x260mm L=0.5m galvanized. Fire-resistant cable routing duct FWK90 - E90 in accordance with DIN 4102-12 for functional integrity during wall and ceiling installation and E30 in accordance with DIN 4102-12 for functional integrity during suspended installation. Duct base with removable and multiple screwable duct top. General building inspection certificate P-MPA-E-99-062 or P-BWU-I 17.9.2.