Types

• Aluminum Storefront Doors
  Extruded aluminum-framed glass doors set in storefront framing, used for commercial building entrances and interior glazed partitions.
• Automatic and Revolving Doors
  Power-operated sliding, swinging, folding, and revolving entrance doors, used for high-traffic, accessible, and energy-controlled building entrances.
• Door Frames
  Steel, aluminum, and wood frames that set, support, and seal doors and sidelights, with hollow metal frames covered by ANSI/SDI A250.8.
• Door Hardware
  Hinges, locks, exit devices, closers, and trim that hang, latch, secure, and control doors, graded under the ANSI/BHMA A156 standards.
• Fiberglass Entry Doors
  Compression-molded fiberglass-skinned doors over an insulating foam core, used for residential and light commercial exterior entrances.
• Flush Wood Doors
  Flat-faced wood doors with veneer, laminate, or paint-grade faces over a solid or hollow core, used for commercial interior openings.
• Frameless Glass Doors
  Heavy tempered glass doors hung on patch fittings or rails with pivots and floor closers, used for high-transparency entrances and interior partitions.
• Hollow Metal Doors
  Factory-fabricated steel doors with two face sheets over a core, used for commercial and fire-rated openings.
• Overhead Sectional Doors
  Hinged horizontal panels that roll up on tracks and stow overhead, used for garages, loading docks, service bays, and large vehicular openings.
• Pocket and Sliding Interior Doors
  Top-hung interior doors that slide into a wall cavity or along a surface track, used where swing space is limited or openings must stay clear.
• Rolling Steel Doors
  Coiling doors of interlocking steel slats that roll onto an overhead drum, used for service, security, counter, and fire-rated openings.
• Security Doors
  Doors and frames built and tested to resist forced entry, ballistic attack, or detention-facility abuse, rated under ASTM and UL standards.
• Sliding and Folding Glass Wall Systems
  Large operable glass wall assemblies of multi-slide, lift-and-slide, or bifold panels, used to open interiors to patios, terraces, and dining areas.
• Stile and Rail Wood Doors
  Framed wood doors of vertical stiles and horizontal rails holding wood panels or glass, used for high-finish interior and select exterior openings.

Code reference

Governing editions

Egress

• IBC 2024, Section 1010.1.1: 32 in. minimum clear width and 80 in. minimum height; for a pair without mullion, one leaf provides 32 in.; 41.5 in. for Group I-2 bed-movement doors; 20 in. for non-accessible toilet, shower, sauna, and dressing rooms; 78 in. height within dwelling units
• IBC 2024, Section 1010.1.1.1: no projections into clear width below 34 in.; 4 in. maximum between 34 in. and 80 in.
• IBC 2024, Section 1010.1.2: egress doors are side-hinged swinging, pivoted, or balanced; exceptions include revolving doors and special-purpose horizontal sliding, accordion, or folding doors (not Group H), power-operated doors, manual horizontal sliding doors serving an occupant load of 10 or less (not Group H), and private garage, office, factory, and storage areas with an occupant load of 10 or less (overhead sectional doors, pocket and sliding interior doors, sliding and folding glass walls)
• IBC 2024, Section 1010.1.2.1: swing in the direction of egress where occupant load is 50 or more or in Group H
• IBC 2024, Section 1010.1.3: 15 lbf to unlatch by push or pull, 28 in-lb by rotation; 5 lbf to open interior swinging egress doors that are not fire-rated; 30 lbf to set other swinging, sliding, and folding doors and all fire doors in motion, 15 lbf to fully open
• IBC 2024, Section 1010.1.3.2: opening force provisions for manual horizontal sliding doors (pocket and sliding interior doors, sliding glass walls)
• IBC 2024, Section 1010.1.4: floor or landing at the same elevation on each side
• IBC 2024, Section 1010.1.5: landing width not less than the door; 44 in. landing length, 36 in. in Group R-3, U, and certain R-2 units
• IBC 2024, Section 1010.1.6: thresholds 1/2 in. maximum; 3/4 in. for sliding doors serving dwelling units; changes over 1/4 in. beveled no steeper than 1:2
• IBC 2024, Section 1010.2: door operations, locks and latches, and panic hardware where required by occupancy and occupant load (door hardware)
• IBC 2024, Section 1010.2.3: hardware 34 in. to 48 in. above the finished floor (door hardware)
• IBC 2024, Section 1010.3.4: horizontal sliding or vertical security grilles at main exits in Groups B, F, M, and S; openable from inside without a key while occupied; no more than half of required exits (security doors, rolling steel doors)

Powered and revolving doors

• IBC 2024, Section 1010.3.1: revolving doors comply with BHMA A156.27; aggregate width 36 in. minimum; not within 10 ft of the foot or top of stairs or escalators; side-hinged swinging door in the same wall within 10 ft; emergency stop on automatic doors within 48 in. of each entry point, 34 in. to 48 in. high (automatic and revolving doors)
• IBC 2024, Tables 1010.3.1(1) and (2): maximum speed by diameter (automatic and revolving doors):

• IBC 2024, Section 1010.3.1.1: revolving door as egress component: 50 percent maximum of required width or capacity, 50 occupants maximum per door, 130 lbf breakout (automatic and revolving doors)
• IBC 2024, Section 1010.3.1.2: revolving door not part of egress: 180 lbf breakout, or higher if it drops to 130 lbf on power failure, sprinkler activation, or smoke detection (automatic and revolving doors)
• IBC 2024, Section 1010.3.2: power-operated doors open manually on power loss with 50 lbf maximum to set in motion and break out to full width from any position; full-power doors to BHMA A156.10, power-assist and low-energy swinging doors to A156.19, low-energy sliding and folding doors to A156.38; exceptions for Group I-3, special-purpose doors, and bi-parting leaves in breakout mode (automatic and revolving doors, automated pocket and sliding doors)
• IBC 2024, Section 1010.3.3: special-purpose horizontal sliding, accordion, or folding egress doors: power operated with manual operation on power failure, 30 lbf to set in motion, 15 lbf to close or open, open to required width within 10 seconds, standby power, rated assemblies per Section 716 and NFPA 80 (sliding and folding glass walls, pocket and sliding interior doors)
• NFPA 101 2024, Section 7.2.1.9: powered door leaf operation (automatic and revolving doors)

Fire-rated openings

• IBC 2024, Section 716: opening protective ratings, labels, glazing limits, and smoke and draft control (rolling steel doors, door frames, door hardware)
• NFPA 80 2025: installation, field modification, inspection, and maintenance of fire doors, frames, and hardware; listed sliding assemblies only where a rated sliding door is required (rolling steel doors, door frames, door hardware)
• NFPA 80 2025, wood door glazing: field installation of listed metal lite kits in new wood fire doors is permitted when the cutout is machined at the factory or an authorized shop; applies only once a code adopting the 2025 edition is in force (flush wood doors, stile and rail wood doors)
• Positive-pressure testing (IBC 2024, Section 716): swinging fire doors tested to UL 10C or NFPA 252; Category A has edge seals built into the door, Category B needs added seals

Safety glazing

• IBC 2024, Section 2406: safety glazing in doors and in hazardous locations adjacent to doors
• CPSC 16 CFR 1201: Category I, 150 ft-lb impact, for door glazing 9 sq ft or less; Category II, 400 ft-lb impact, for any door glazing over 9 sq ft (frameless glass doors, storefront, sliding and folding glass walls, glazed wood and fiberglass doors)

Accessibility

• 2010 ADA Standards, Section 404.2.1: revolving doors, gates, and turnstiles are not part of an accessible route
• 2010 ADA Standards, Section 404.2.3: 32 in. minimum clear width; 36 in. where the opening is more than 24 in. deep
• 2010 ADA Standards, Section 404.2.4: maneuvering clearance; swinging doors 60 in. by 18 in. beyond latch on the pull side for front approach, 48 in. on the push side; sliding and folding doors 48 in. front approach
• 2010 ADA Standards, Section 404.2.5: thresholds 1/2 in. maximum
• 2010 ADA Standards, Section 404.2.6: 48 in. minimum between doors in series, plus the width of any door swinging into the space
• 2010 ADA Standards, Section 404.2.7: operable parts 34 in. to 48 in. above the floor; sliding door hardware exposed and usable from both sides when fully open (pocket and sliding interior doors, sliding glass walls, door hardware)
• 2010 ADA Standards, Section 404.2.8: closers take at least 5 seconds from 90 degrees to 12 degrees from latch
• 2010 ADA Standards, Section 404.2.9: 5 lbf maximum opening force for interior hinged, sliding, and folding doors; fire doors per the authority having jurisdiction
• 2010 ADA Standards, Section 404.2.10: smooth push side within 10 in. of the floor across the full width
• 2010 ADA Standards, Section 404.2.11: bottom of vision lite glazing 43 in. maximum above the floor
• 2010 ADA Standards, Section 404.3: full-power automatic doors to A156.10; low-energy and power-assist doors to A156.19; 32 in. clear in power-on and power-off modes counting all leaves; 32 in. breakout opening where no standby power (automatic and revolving doors)
• ICC A117.1: parallel technical requirements where adopted; edition follows the adopted building code

Energy

• IECC 2024, Section C402: opaque swinging and nonswinging door U-factors, fenestration U-factor and SHGC for glazed doors, and air leakage limits for the building thermal envelope
• IECC 2024, Section C402: vestibules at building entrances, with listed exceptions (storefront, automatic and revolving doors)
• IECC 2024 and ANSI/DASMA 105: nonswinging door U-factors determined by NFRC 100 or ANSI/DASMA 105 testing (overhead sectional doors)

Structural and wind

• IBC 2024, Section 1609 and ASCE 7-22: design wind pressures on exterior doors, including large vehicular and glass wall openings (rolling steel doors)
• IRC 2024, Section R609: design pressure, testing, and installation of exterior windows and doors (fiberglass entry doors, sliding and folding glass walls)

Vehicular doors and operators

• IBC 2024, Section 406: motor-vehicle-related occupancies (overhead sectional doors)
• UL 325: automatic operators need monitored entrapment protection (photo eyes no higher than 6 in. above the floor, edge sensors, or light curtains), or constant-pressure-to-close operation (overhead sectional doors)
• CPSC 16 CFR 1211: federal safety requirements for residential automatic garage door operators (overhead sectional doors)

Referenced standards

Sources

• ICC: 2027 International Building Code product page (publication status), https://shop.iccsafe.org/2027-international-building-coder.html
• UpCodes: 2024 IBC Chapter 10 means of egress (Department of Defense adoption), https://up.codes/viewer/department-of-defense/ibc-2024/chapter/10/means-of-egress
• BHMA: IBC revisions regarding door operations and door hardware, 2015 to 2024 IBC, http://buildershardware.com/Portals/0/BHMA, IBC Revisions RE Door Operations and Door Hardware 2015 to 2024 IBC 20240208_1.pdf
• Corada: 2010 ADA Standards Section 404 doors, https://www.corada.com/documents/2010ADAStandards/404
• I Dig Hardware: glazing in wood fire doors under NFPA 80-2025, https://idighardware.com/2025/05/qq-glazing-in-wood-fire-doors/
• GPO: 16 CFR 1201.2 safety standard for architectural glazing materials, https://www.gpo.gov/fdsys/pkg/CFR-2014-title16-vol2/pdf/CFR-2014-title16-vol2-sec1201-2.pdf
• DASMA: technical data sheet 382, UL 325 entrapment protection, https://www.dasma.com/wp-content/uploads/2022/06/TDS382.pdf
• I Dig Hardware: decoded, IECC requirements for vestibule doors, https://idighardware.com/2020/04/decoded-international-energy-conservation-code-requirements-for-vestibule-doors/