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Janus rolling steel doors

Rolling Steel Doors Engineered Strong, Built to Last

Ten series of Janus rolling steel doors, grilles and counter shutters cover service, high performance, fire-rated, grille and counter openings, with Windload and Miami-Dade options, UL fire ratings up to 4 hours and speeds up to 24" per second.

Talk to your Janus commercial sales rep: (866) 562-2580

10 Seriesservice, high performance, fire, grille and counter
40' Wide400 Series openings up to 40' wide
Up to 4 HoursUL fire rating on the 500 Series
24"/sechigh performance opening speed
R-7.2insulated 600 Series slat

Product families

Five Ways to Find the Right Rolling Steel Door

Start with what the opening has to do. Each family page compares its series side by side, with specs, drawings and documents on every series page.

Wide gray Janus 400 Series rolling service door on a metal warehouse400 · 400HP · 600 · 300

Service Doors

Heavy duty, high performance, insulated and light commercial rolling service doors for warehouses, docks and plants.

  • Openings up to 40' wide or 30' high
  • Windload and Miami-Dade options on the 400 and 600
  • R-7.2 insulated slats on the 600
Explore Service Doors
Green Janus 400HP high performance doors on a brick building400HP · 800HP

High Performance Doors

Rolling steel and grilles that open at up to 24" per second, at a fraction of the cost of high-speed doors.

  • Up to 3x faster than standard rolling steel
  • 400,000 cycles standard
  • SecureDrive+ direct drive operator
Explore High Performance
White Janus 500 Series rolling fire door in a brick building500 · 500i · 550

Fire Doors

UL-rated rolling fire doors and fire shutters that close automatically through fusible links, detectors or the building alarm.

  • UL ratings up to 4 hours (500, 18-gauge)
  • Insulated 500i with R-4.7 mineral wool
  • Auto-reset drop test on the 500 and 500i
Explore Fire Doors
Janus 800 Series rolling grille across a retail storefront800 · 800HP

Rolling Grilles

Security with visibility and airflow for storefronts, parking garages, schools and hospitals.

  • 800 Series openings up to 24' x 12'6"
  • Five curtain options
  • 800HP opens at up to 24" per second
Explore Rolling Grilles
Closed white Janus 700 Series counter shutter under a hood700 · 550

Counter Shutters

Compact counter shutters for pharmacies, cafeterias, concessions, ticket counters and hospital desks.

  • 700 Series up to 14'4" x 10'4"
  • Aluminum, painted steel or stainless
  • UL-rated 550 for fire-rated walls
Explore Counter Shutters

Series finder

All Ten Janus Rolling Steel Series

Open any series for the full door sheet, standard features, options, documents and drawings.

Janus rolling steel series
SeriesMax sizeHighlightsFamily
300 SeriesCommercial Rolling Slat DoorUp to 16' x 16'3" 24 or 22-gauge galvanized slats, chain hoistService Doors
400 SeriesHeavy Duty Rolling Service DoorUp to 40' wide or 30' highWindload and Miami-Dade optionsService Doors
400HP SeriesHigh Performance Door14' x 20'Up to 24" per second, 400,000 cyclesHigh Performance
500 SeriesRolling Fire Door30' wide or 24' high (600 sq ft)UL rated up to 4 hours (18-gauge)Fire Doors
500i SeriesInsulated Rolling Fire Door30' wide or 24' highUL rated up to 3 hours, R-4.7 insulationFire Doors
550 SeriesFire Rated Counter Shutter12' x 8'UL rated 45 and 90 minutesCounter Shutters
600 SeriesInsulated Rolling Service Door40' x 16' to 28' x 26', by modelR-7.2 core, STC 24Service Doors
700 SeriesCounter Shutter14'4" x 10'4"Aluminum, painted steel or stainlessCounter Shutters
800 SeriesRolling Grille24' x 12'6"Five curtain options, clear or black anodizedRolling Grilles
800HP SeriesHigh Performance Grille24' x 12'Up to 24" per second, 400,000 cyclesRolling Grilles

Specifications from the 2026 Janus door sheets; confirm sizes and options with your Janus rep.

Row of white Janus rolling service doors with vision lites above dock levelers

Repair or replace?

Replacing an Aging Service Door Can Pay for Itself

Every repair extends the life of an aging door, and its hidden costs: downtime, labor, energy loss and safety risk. The Janus ROI Guide shows what replacement can return.

  • A 10-dock warehouse investing $225,000 in new rolling steel doors could see about $93,000 a year in operating benefit: a 2.4-year payback and 41% annual ROI*
  • Insulated doors on 4 docks could cut HVAC energy use about 12% in a 100,000 sq ft warehouse, worth $12,000 to $25,000 a year*
  • Rolling steel doors last 25+ years with fewer major repairs, versus replacing lighter-duty doors every 12 to 15 years

*Illustrative examples from the Janus Rolling Steel Door Replacement ROI Guide. Actual results vary based on facility size, climate, usage frequency, labor costs and door specifications.

Applications

Rolling Steel for Every Kind of Building

From the Janus Rolling Steel Application Guide, which matches each series to the buildings it suits.

  • Agriculture
  • Auto dealership
  • Car wash
  • Commercial/multi-tenant
  • Education
  • Fire station
  • Government
  • Healthcare
  • Heavy equipment
  • High security
  • Manufacturing
  • Parking
  • Pharmacy
  • Restaurant
  • Retail
  • Stadiums
  • Warehouse
Janus Door Selector Tool: pick the building type, answer spec questions and see every Janus door that fits

Door Selector Tool

Find the Right Rolling Steel Door in Minutes

Answer eight quick questions about the building, the opening and how the door will be used. The Door Selector shows every Janus rolling steel, commercial sheet and mini door that fits, with specifications, door sheets and a quote link on every result.

  1. Pick the building type and application
  2. Set wind load, fire rating and daily cycles
  3. See every matching door with specs and quote links

Videos

See Janus Rolling Steel in Action

Janus Rolling Steel Application Video
Janus Rolling Steel Door Explainer Video

Common questions

Questions About Janus Rolling Steel Doors

Which Janus rolling steel door is right for my opening?

Start with the job the door has to do. Service doors (400, 400HP, 600, 300) cover warehouses, docks and plants; high performance doors and grilles (400HP, 800HP) cover busy, high-cycle openings; fire doors (500, 500i, 550) protect openings in fire-rated walls; rolling grilles (800, 800HP) secure openings that need visibility; and counter shutters (700, 550) close off service counters. The Door Selector narrows it down in eight questions.

Are Janus rolling steel doors rated for high-wind areas?

Yes. The 400 and 600 Series offer FBC and TDI windload certified options and Miami-Dade County impact certification at +60/-65 PSF (20' x 30' max). Each certification comes with approved stamped drawings.

Which Janus rolling doors are fire rated?

The 500 Series Rolling Fire Door (UL rated up to 4 hours in 18-gauge), the 500i Insulated Rolling Fire Door (up to 3 hours) and the 550 Series Fire Rated Counter Shutter (45 and 90 minutes). Each closes automatically through 165°F fusible links, smoke or heat detectors or the building alarm.

When should a rolling steel door be replaced instead of repaired?

Replacement usually makes more sense when a door needs frequent repairs, takes force to open, runs on an outdated operator, no longer seals, creates safety concerns, interrupts daily operations or has passed its expected service life. The Janus ROI Guide shows how to weigh the cost.

Ready to Spec Rolling Steel for Your Next Project?

Tell us about the opening and a Janus commercial team member will help you find the right door, fast.