Zowor Door Industry Co., Ltd
Make Zhongwo a fixed star in the development history of the door industry.
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Production Description
A residential building with a building height greater than 100m shall be provided with a refuge floor. The height of the ground floor of the first refuge floor (room) to the fire rescue site on ground shall not exceed 50m, and the height between the two refuge floors shall not be greater than 50m;
For residential buildings with a building height greater than 54m, each household shall have a room that meets the following requirements: it should be placed on the external wall and should be provided exterior open window. The fire resistance of the interior and exterior wall should not be lower than 1.00h. The door of the refuge room should be Grade B fire door, and the fire integrity of the exterior window should not be less than 1.00h.
In order to enhance the safety of high-rise residential buildings, the requirements for the installation of refuge floors for high-rise residential buildings were added to the new Code for Fire Protection of Building Design, which was implemented on May 1, 2015
Fire Resistance Rating Classification
| Name | Fire Resistance Performance | Code | |
|
Fully Heat Insulated Doorsets(Class A)
|
Fire Insulation ≥0.50h Fire Integrity ≥0.50h |
A0.50 (Grade C) |
|
|
Fire Insulation ≥1.00h Fire Integrity ≥1.00h |
A1.00 (Grade B) |
||
|
Fire Insulation ≥1.50h Fire Integrity ≥1.50h |
A1.50 (Grade A) |
||
|
Fire Insulation ≥2.00h Fire Integrity ≥2.00h |
A2.00 | ||
|
Fire Insulation ≥3.00h Fire Integrity ≥3.00h |
A3.00 | ||
|
Partially Heat Insulated Doorsets(Class B)
|
Fire Insulation ≥0.50h |
Fire Integrity ≥1.00h | B1.00 |
| Fire Integrity ≥1.50h | B1.50 | ||
| Fire Integrity ≥2.00h | B2.00 | ||
| Fire Integrity ≥3.00h | B3.00 | ||
|
No Heat Insulated Doorsets(Class C)
|
Fire Integrity ≥1.00h | C1.00 | |
| Fire Integrity ≥1.50h | C1.50 | ||
| Fire Integrity ≥2.00h | C2.00 | ||
| Fire Integrity ≥3.00h | C3.00 | ||