Fire-Rated Doors

Hollow Metal Doors and Frames

STK's doors cover various types and sizes of steel and lead lined doors, double and single swing, fire rated and manufactured as per highest international standards meeting ANSI, SDI, HMMA and NFPA.


All our doors are supported with robust frames to maximize the protection level. Our frames are constructed of quality cold rolled steel ASTM A366 or hot dip galvanized steel sheet ASTM A526, G90 for various thicknesses of doors, with the specifications conforming to SDI-111A.


In addition, we provide a variety of the highest quality hardware, which is a perfect fit for each door and provides the best operation for its specific job.


Each product has been tested with Underwriters Laboratories in accordance with UL10b and UL10c standards.

 

We are manufacturers of:

  • Fire Rated for 3⁄4 Hours, 1 1⁄2 Hours and 3 Hour

  • Steel or Lead lined (for radiation isolation)

  • Customized dimensions

  • Provided with Hardware/ provision, vision panel and/or louvers.

  • Multiple Fire Rated/ Non-rated cores

  • Multiple finishing options: liquid or powder coating

  • Welded Frames or Knock down frames options

Product Types
Materials
  • Honeycomb                                   Fiberglass                                     Rock Wool                                   Polyurethane

Single Doors
  • FR-100 Series - Honeycomb core door

  • NFR-100 Series - Honeycomb core door

  • FR-200 Series - Stiffened Door with fiberglass insulation

  • NFR-200 Series - Stiffened Door with fiberglass insulation

  • FR-300 Series - Stiffened Door with Rock wool insulation

  • NFR-300 Series - Stiffened Door with Rock wool insulation

  • NFR-400 Series - Polyurethane core door

 
Double Doors
  • FR-D-100 Series – honeycomb core double door

  • FR-D-200 Series - steel stiffened double door with fiberglass insulation

  • FR-D-300 Series – steel stiffened double door with Rock wool insulation

  • FR-D-400 Series - polyurethane core double door

Need a custom fire-rated door? Fill out the form below, and we will be in touch to deliver you a fast quote!

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