Red Powder Coating Self Closing Commercial Fire Rated Doors/ Steel Doors/ 45 mm Thick

Self Closing Steel Doors

A fire door to most home owners tends to be an internal wooden one whose purpose is to enable an escape route through a property in case of a fire and help to compartmentalise a fire, preventing the spread of smoke and flames.

However a fire rated fire door is required for example when the walls and stairwell of a property are designed to resist fire for 30 minutes.

Fire Rating

Zhongwo steel fire doors meet the requirement for up to 180 mins(20/30/60/90/150/180mins) fire rating as American standard doors. And fire rating up to 120 mins(30/60/90mins) as British standard fire doors.

Standard & Certificate

Zhongwo steel fire doors are all tested in accordance with American or British Standard such as UL10(b) and UL10(c) and BS476:22 & EN1634:1. We can provide you with UL/WHI certificate or BS and EN certificates for various sizes and fire ratings.

Features

20-18-16 Ga. (1.0/1.2/1.6 mm) Galvanized Steel Sheet For Door Sash

18-16-14 Ga. (1.2/1.6/2.0mm) Galvanized Steel Sheet For Door Frame

Fireproof Perlite Board,Honeycomb Paper, Mineral Wool, Polyethylene Foam as Infilling Materials

Prime Paint(UV/PU), Powder Coating, Wood Grain as Finish Options

UL listed Fireproof Expand Intumescent Seal Strips

UL listed Fireproof Clear or Wired Glass

68-80N Low Opening Force

Average temperature rise of unexposed surface reaches 94.2℃, highest temperature rise at single point reaches 148.6℃

Size

For pair doors popular sizes by us are 6’X7’ and max. 8’X8’.

For single doors popular sizes by us are 3’X7’ and max. 4’X8’.

Customization is also acceptable.

Hardware

As standard we equip every door with galvanized steel hinges, locksets and high quality door closers. We can also send you panic push bar, fire bolts, magnetic door stoppers or other accessories as your request. Melting temperature of hardware installed in doors should be no less than 950℃.

Besides, we also have stainless steel hardware when you want.

Reinforcements

· Top and bottom of doors shall be reinforced with continuous 16-gauge steel channels, spot welded to both sides of doors.

· Hinge reinforcements shall be 11-gauge steel angle, 12" long

· Cylindrical lock reinforcement shall be 16-gauge with 11-gauge thread depth. Other lock and closer reinforcements shall be 12-gauge.

· Doors shall be reinforced for all surface type hardware. Drilling and tapping of surface hardware to be done in the field by the erector.

· Edges of door shall be continuously seam welded, ground, and filled to ensure a smooth finish.

Package

Package method is vital to ensure the safety and to avoid any damage in transportation, so we values very much the correct package.

Standard: PE Paper+Double Layer Strong Carton or wooden pallet

We can also pack doors and frames as your request, just exchange the details with us.

More Specification

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.