FD90 Steel Fire Door
Zhongwo provide you with high quality 90 mins fire doors specially for
bolier and electrical rooms. The Door leaf consists of 53 mm thick
fireproof perlite board as infilling and galvanized steel plate
with thickness of no less than 0.8mm as cover. The door frame
adopts galvanized steel plate with thickness of no less than 1.2mm.
Hardware fitting backboard adopts ordinary steel plate with
thickness of no less than 3.0mm. And the surface treatment is
finished, powder coated, heat transfer printing or copperdrawing
process. Besides, we have different colors for your choice to get
in harmony with your decoration style and all of our fire doors can
be customized as your request.
Door Leaf--20-18- or 16-gauge face sheets of commercial grade
Door Frame--18-16-14-gauge face sheets of commercial graed
We have standard size such as 3'X7' and 4'X8' for single doors and
6'X7' and 8'X8' for double doors.
Customized sizes are also available by us.
For UL steel fire doors: UL10(C) and UL 10(B)
For BS steel fire doors: BS476:22 and EN1634:1
--Honey comb core
Insulated honey comb core provides extreme rigidity and one of the
highest flatness levels.This bonded to the face sheets with fire
--Fireproof Perlite Board
We have also high density fireproof perlite boards as infilling
materials, which presents high performance in heat insulation.
Besides, this material is also extremly environment-friendly.
· 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
· Doors shall be reinforced for all surface type hardware. Drilling
and tapping of surface hardware to be done in the field by the
· Edges of door shall be continuously seam welded, ground, and
filled to ensure a smooth finish.
Generally we adopt powder coating as standard finishes, but there
are also prime paint and wood grain finish as your basic options.
Two tested locksets and a heavy duty door closer come standard with
this door, however operating hardware is available in all standard
builders’ finishes. Mortise or cylindrical locksets, exit devices,
and security hardware are the basic options.
|Item||90 mins Fire Rated Steel Door for Boiler and Electricla Room|
|Eco-friendly& Healthy Infilling Material||All of our fireproof perlite board must reach level A1 of the combustion performance standard according to GB8624-2006
and level ZA2 of toxicity standard according to GB/T20285-2006.|
|Flexible Opening||Door leaf opening force of our double swing flush panel steel fire
door is no more than 66N, which is much smaller than 80N according
|Top Fire Insulation Performance||Average temperature rise of unexposed surface reaches 94.2℃,
highest temperature rise at single point reaches 148.6℃, both are
far away lower than the standard of not beyond 140℃ and 180℃.|
1. Matured packaging team consisting of professional and
well-trained packaging staff with quality packaging materials.
2. Quick delivery within 35 days since transfer confirmed.
3. Reliable and professional logistics services which are all in
long-term cooperation with us.
4. After-sale service: Any questions or problems after receiving
the product, please feel free to contact us. Problems would be
solved for you immediately.