Báo giá cửa cuốn chống cháy EI năm 2024

Rolling doors prevent fire, fireproof EI 60 Minutes

Fire blocking rolling door products have fire resistance limits EI70, EI60, EI45, EI30, EI15 type 1 with a body thickness of 45mm+_2mm, with the following structure:
+ Main side: 02-layer steel rolling door slats, 90mm steel slats, folded width is 73mm, 0.6mm steel thickness for each layer, the slats are linked together by bending grooves, between the 2 layers of steel are stuffed with ceramic cotton with a volume of 128kg/m³
+ Secondary side: 2 layers of High silica fabric coated with fire-fighting adhesive on one side, 5mm layer of ceramic insulation with a volume of 200kg/m³, 3 layers of foil, 25mm of ceramic insulation with a volume of 128kg/m³
+ Roller uses 113.5mm - 219mm tube type, thickness from 1.8mm - 6mm
+ The guide rail is made of 02 layers of steel with dimensions of 130x125x1mm, inside is stuffed with insulating ceramic wool with a volume of 128kg/m³ and 2 MgO panels, each 5mm thick with a volume of 850- 1050kg/m³.
+ 20x40 technical box frame, 1mm thick panel, 25mm thick ceramic wool insulation layer, with volume of 128kg/m³