Payment & Shipping Terms:
|Fire Rating:||90 Min||Thickness Of Door Leaf:||55/64 Mm|
|Material:||Galvanized Steel||Infilling:||Fireproof Perlite Board; Honeycomb Paper|
|Finish:||Powder Coated, Prime Paint, Wood Grain Finish||Face Sheet Of LeafVeneer For Door Leaf (mm):||16-18-20 Ga.|
|Face Sheet Of Frame:||14-16-18 Ga.||Frame Depth:||120 Mm|
Fire Retardant Wood Doors with Steel Structures Fire Rating 90 Minutes
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 galvanized steel
Door Frame--18-16-14-gauge face sheets of commercial graed galvanized steel
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 rated adhesive.
--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 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.
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 to GB12955-2008.|
|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℃.|
Standard Color Options
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.