Fire protection roof opening for double- walled pipes 130 mm with 30 mm insulation thickness, wall thickness: 250-300mm

• For double-walled pipes (insulation thickness 30 mm)
• Through walls with flammable materials
• Telescopic

Operating conditions:
the applications of the wall duct are defined by the product standard DIN V 18160-1, as well as the fire protection regulations of the countries.
The duct was tested for flue pipes up to temperature classification T400, as well as for exhaust gas pipes. It can be used for ducting double-walled pipes through internal and external walls.
Approval Z-7.4-3361