Zowor Door Industry Co., Ltd
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Upgrading Fire Doors UL Listed Powder Coating Orange Color For Construction Buildings With Hidden Door Closer
UL Fire Doors
Fire doors are one of the few fire-fighting separation buildings. They are often used for walls, stairwells or pipe openings and play an important role in reducing fire damage.
The level of fire protection in the design of high-rise civil buildings, fire doors are classified into Grades A, B and C and defined by fire resistance level. Grade A doors shall not be less than 1.5 hours, Grade B gates shall not be less than 1.0 hours, Class C shall not be less than 0.5 hours.
Wooden fire doors are divided into two series full glass and half glass, as well as one and two leaf.
Description:
| Door Size | The maximum size is 3 'width 7' height for one door (W915mm * H2134mm), and for double doors it should be 8 '' wide and 8 '' height (W2438mm * H2438mm). |
| Door Sash | generally (13/4’’) 45mm |
| Frame Depth | 120mm |
| Two frames choices | Knock-down frame, Welded frame, both of them could be used in wood walls, masonry walls and concrete walls. |
Door Structure:
Finish & Colors
Standard: powder electrostatic spray, for this kind of finish we have different color choices such as white,cream,beige, gray, dark gray, frosted orange.
Otherwise, we have also heat transfer printing and prime paint as finish choices. And for these two finishes we customized colors as your request.
Technical Specification
1. It’s designed based on GB12955-2008 Standards Fire Doors, Wind Resistance GB/T 7106-2008, Gas Tight GB/T 7106-2008, Water Tight GB/T 7106-2008.
2. There is cold rolled galvanized steel sheet with 3mm for stiffening on fire hinge and fire closer point.
3. Filling Process for Door Core Material: Tamping
4. There is cold rolled galvanized steel sheet with 1.2mm around and inside the door leaf.
5. It’s applied in the Tunnel and special places where there is wind pressure. It adopts unconventional installation method.
Accessories: