БългарскиEI 120 Circular Vertical
Description
The vertical air duct with a circular section, protected with a fireproof insulation system for the "IsolStop Fire 120 System". The system consists of "Isollam" insulation, manufactured by the company "Khimicheski Produkti" OOD, which is lamellar stone wool with a thickness of 110 mm (2 layers of 55 mm), a width of 1000 mm and a density of 120 kg/m3, laminated on one side with aluminum foil with fiberglass mesh. Fire resistance class: EI 120.