We have in store for our customers Fire Resistant Doors that matches international standards and are made using high-end technology. Clients can avail these in different sizes with the choice of glazing, single or double doorsets, fire resistant self closing louvers, optional fixed over panels and optional temperature rise (insulation) configurations.


  • Available in fire resistant levels from 30 minutes up to 2 hours and testing as per BS 476 Part 20 & 22, IS3614 (Part 2)
  • Shutter sheet thickness : 1.0 mm
  • Infill material : Rock Wool (96 kg /cu.m)
  • Frame sheet thickness : 1.5mm
  • Complete Ironmongery from : Dorma or any other compatible make


  • Pure Polyester Powder Coated (Jotun Make) 60-80 Micron
  • Standard size vision panel
  • 6 mm thickness Fire Rated Glass (Fire Rated Wired Glass)
  • Double Skin Shutter: 44 mm thickness (GI sheet On Both sides)
  • Provision of fixing
    • Panic Bar
    • SS D-Type
    • Lever Handle with Lock
    • SS Push Plate
    • SS Flush Bolt
    • SS Ball Bearing Hinges
    • Door Closers
    • Anchor Fasteners with Cap


Ingress+ is a leading manufacturer of steel doors that can be used for commercial, industrial and residential purposes. Being a torch-bearer in this niche, Mangla Sons Pvt. Ltd. has built a reputation as a leader in the steel industry. Pushing the limits of the industry standards, Mangla Sons Pvt. Ltd. is capable of providing solutions to the most complex needs with their skills, knowledge and experience in this industry to deliver best in class, quality and short lead-time.

As time demanded, Mangla sons Pvt. Ltd. have diversified its production and entered into the field of Commercial kitchens by the name of Steelonox. Another vertical, EcoDucts is a high-quality ducting system developed from sheet metal without lead bring a revolution in the industry.