Fire Retardant Interior Door for Fire Cut Used in

High-rise Building

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;

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

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.

Fire Resistance Rating Classification

Henan Zhongwo Fire Science and Technology Co., Ltd, founded in 1995, is a rapid expanding manufacturing company in fire door industry. After 24 years development Zhongwo has become a leading fire door manufacturer all over in Central China. We are always keeping good cooperation relationship with many high-end real estate builders such as Green Garden and Evergrand and many reaseach institutes such as The Architectural Design And Research Institute of Henan Province. And we have always been enjoying good reputation around our partners domestically and internationally.

Our factory concentrate on the production of all kinds of fire doors from different materials such as galvanized steel, pine wood, chinese fir wood, 201/304 stainless steel and also fire resistant floating glass. Steel fire door is our highlight product, with advanced surface treatment such as powder coating, heat transfer printing and copper wiredrawing we win great advantage for our steel fire doors of high wear tolerance,high decoration performance, anti-damp performance and anti-rusty character and so on. As far as wooden fire door is concerned, we have painting free wooden fire door series, baking paint wooden fire door series and refuge room wooden fire door series.Now we can supply more than 100,000 fire door sets a year in our more than 50000㎡ existing workshop. We also have a new factory under construction which covers a field of 30 arces in Minquan of Shangqiu City,which is 200km away from our existing factory. By then our annual production ability can reach 300,000 fire door sets.

Our production ranges also to fire roller shutters, fire windows and smoke curtains of various customized sizes, colors and materials.

Zhongwo attaches great importance to technical explore and development of new products and technik. We organize a specialized technical panel who all have more than 8 years of R&D experiences in fire door industry for development of new products and technik. Thanks to their hard work we can lauch more than 5 patents a year.

Zhongwo always adheres to the value system of “creating value for customers, building platform for employees and developing brand for Zhongwo”. Under such value system, Zhongwo keeps looking for excellent partners to influence ourselves to become better. We keep striving in order to be a fixed star in the development history of door industry.