55mm Gal. Steel Powder Coated Finish 90 Minute Fire Door/ Fire Exterior Doors/ Various Colors
FD90 Steel Fire Rated Door
Zhongwo BS steel fire doors consist of steel door leaves and steel frames. Door leaf structure can be split into 43mm thick magnesium oxide fire door core board, 5mm thick fireproof board and 0.8mm galvanized steel face sheets on both sides. Between fireproof board and fire door core board we brush fireproof glues, so does it between door core board and gal. Steel sheet. Thickness of door leaf is 55mm. Moreover there is also one astragal made from 0.8mm gal. Steel to cover the gap between door leaf and door frame. On the inside of astragal we also paste smoke intumescent to prevent spread of smoke and flame. The size of astragal is 25X2mm on the active leaf and 40X10mm on the inactive leaf of double doors.
Structure Description
Dimension
As far as the dimension is concerned, we mean the overall structural opening sizes here. So please confirm whether your order is only about door leaf sizes or about overall sizes of leaf & frame.
Single Swing:1200(W) X 2400(H)mm
Double swing:2100(W) X 2400(H)mm
Door Leaf
Door Core: 53mm thick fireproof magnesium oxide board, density (350±35)Kg/m3
Face Panel: 0.8mm thick galvanized steel sheet on both sides
Between steel face and magnesium oxide board core on both unexposed side we brushed fireproof adhesive.
Thickness: 55mm
Astragal: 0.8mm thick galvanized steel sheet
Stiffener: 48X30mm U-Type Skeleton, 1.5mm thick galvanized steel sheet
Reinforcement: 3mm thick galvanized steel sheet on lock, hinges and closer sides.
Door Frame
Type: 3- or 4-parts knock-down frame
Nominal Size: 1200 mm wide by 2400 mm high for single door;
2100 mm wide by 2400 mm high for double door(each leaf 1050 mm wide)
Material: 1.2mm thick galvanized steel sheet
Frame Width: 105mm
Reinforcement: 3mm thick galvanized steel sheet on lock, hinges and closer sides.
Application: masonry wall
Decoration: rectangle lock cases & covers,0.8mm galvanized steel sheet
Connectors: 0.8mm gal. Steel sheet.
Hardware & Accessories
| Hardware | Fire Lock | Mortise Lock Type: ROCK6072N Lock Case Size:: 85 x 165 x 13 mm; Backset: 60 mm; Latch Throw: 10 mm; |
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| | Fire Hinges | Steel Hinge Size: 4.5 X 4.0 X 3.0 mm Quantity: 3 for each leaf |
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| | Door Closer | Type: CA93-4CIII(Rock1800) |
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| | Flush Bolt | YB054, 8” |
| Fireproof Sealant | Model 1: FPJ-B-25X2mm | All around door edges. |
| Model 2: FPJ-B-20X2mm | Under the astragal on push side. |
| Adhesive |
| | Fire proof adhesive, applied at a rate of 0.4 ± 10% kg/m2. Application: between steel face and perlite core on unexposed side. |
Package
Door Leaf: one layer perlite cotton + one or two layers strong carton + foam board around 4 edges.
Door Frame: Band them together with tapes, cover around them with perlite cotton, protect them inside foam boards and at last load them into strong cartons.
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55mm Gal. Steel Powder Coated Finish 90 Minute Fire Door/ Fire Exterior Doors/ Various Colors Images
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