Door hardware specification is a discipline unto itself. A well-written hardware specification — organized under CSI Division 08 71 00, grouped into hardware sets, and cross-referenced with a complete hardware schedule — prevents costly change orders, ensures code compliance, and delivers a project that performs as designed for decades. This guide walks architects and contractors through every layer of the specification process: from choosing the right ANSI/BHMA grade to coordinating keying systems, selecting ADA-compliant hardware, meeting fire-door requirements, decoding finish codes, and navigating the submittal process.
| CSI Section | Division 08 71 00 — Door Hardware (MasterFormat 2016) |
|---|---|
| Governing Standard | ANSI/BHMA A156 series (grades, finishes, cycles) |
| ADA Authority | 2010 ADA Standards for Accessible Design, Section 404 |
| Fire Door Standard | NFPA 80 — Standard for Fire Doors and Other Opening Protectives |
| Hardware Grade (Commercial) | Grade 1 — heavy-duty, highest cycle count |
| Minimum Hinges per Door | 1.5 hinges per 30 in. of door height (typically 3 hinges for standard doors) |
| ADA Opening Force | ≤5 lbf for interior doors; ≤8.5 lbf for exterior |
| ADA Closing Speed | ≥1.5 seconds from 70° to fully closed |
| Finish Specification Standard | ANSI/BHMA A156.18 — Materials and Finishes |
| Last Updated | 2026-03-01 |
The Construction Specifications Institute (CSI) MasterFormat organizes building specifications into numbered divisions. Door hardware falls under Division 08 71 00 — Door Hardware, within Facility Services Subgroup, Openings Division. Knowing this number matters because all project documents — drawings, specifications, submittals, and RFIs — reference it consistently.
Under MasterFormat 2016, the hierarchy is:
A standard Section 08 71 00 specification contains three mandatory parts: Part 1 General (administrative requirements, references, submittals, quality assurance), Part 2 Products (hardware descriptions, grades, finishes, manufacturers), and Part 3 Execution (installation requirements, adjusting, and cleaning). The hardware schedule is typically included as an exhibit or attachment to the specification section.
The hardware schedule organizes doors into hardware sets (sometimes called hardware groups or hardware types). Each set is a numbered template listing every hardware item required for a specific door type. Doors sharing identical hardware requirements are assigned to the same set, eliminating redundant descriptions throughout the schedule.
The first step is to audit the door schedule — a table on the architectural drawings listing every door by mark number, size, material, fire rating, and location. For each unique combination of function, security level, fire rating, and accessibility requirement, create a separate hardware set. Typical hardware sets in a mid-size commercial project include:
Each hardware set entry in the schedule lists: quantity, manufacturer, catalog number, function or style, finish code, and any special notes. The set number is then applied to each door mark on the door schedule, creating a cross-referenced specification system.
A hardware schedule is a tabular document, often formatted in a spreadsheet or dedicated software (such as Bluebeam, AHC-specific scheduling tools, or Revit schedule exports), that lists every door opening and its complete hardware complement.
| Column | Content | Example |
|---|---|---|
| Door Mark | Unique identifier matching the drawings | D-101, D-102A |
| Hardware Set | Assigned set number | Set 3 |
| Door Size | Width × height × thickness | 3′–0″ × 7′–0″ × 1¾″ |
| Door Material | Hollow metal, wood, aluminum, glass | Hollow metal |
| Frame Type | Hollow metal, aluminum, wood | Hollow metal |
| Fire Rating | UL label rating | 90-minute |
| Hand | Handing of door (LH, RH, LHRB, RHRB) | RH |
| Hardware Items | Full list per set | See hardware set |
| Keying | Key system designation | GMK-A, MK-2 |
| Notes | Special conditions or exceptions | Hold-open required |
Door handing is determined by standing on the outside (the side from which the door swings away from you, or the secured side). If the hinges are on your right, it is a right-hand (RH) door. If hinges are on your left, it is a left-hand (LH) door. Reverse-bevel doors (which swing toward you) are designated RHRB or LHRB. Correct handing is critical because locksets, closers, and exit devices are function-specific — a mis-handed item cannot be installed.
The keying system is one of the most consequential and irreversible decisions in a hardware specification. Once cylinders are pinned and keys are cut, changes are expensive. Keying hierarchy defines who can open which doors, balancing security and operational convenience.
The specification should include: the keyway (proprietary or standard), the number of master key levels, the key control method (registered keyway, key tracking software), who maintains the key system records (owner or locksmith), and whether construction cores (interchangeable core systems such as Best SFIC or ASSA Abloy CLIQ) will be used. Large campuses with multiple buildings often use a patented keyway with restricted key duplication and a formal key control policy managed by facilities.
For new construction, always specify a keying schedule as a separate exhibit listing each door, its key designation, and which master keys operate it. Coordinate the keying schedule with the facility manager before submitting to the lock manufacturer for pinning.
Hinges are often under-specified. The correct hinge depends on door weight, frequency of use, fire rating, and whether self-closing is required. The primary standards for hinges are ANSI/BHMA A156.1 (butts and hinges) and A156.17 (self-closing hinges).
When self-closing function is required (fire doors, corridor doors), the specifier must choose between a surface-mounted door closer or a self-closing hinge. Self-closing hinges — particularly hydraulic or hybrid spring-hydraulic designs — integrate the closing mechanism into the hinge body, eliminating the need for a separate overhead device. This approach is preferred in applications where aesthetics matter (hotels, healthcare, high-end commercial) or where surface-mounted closers are vulnerable to vandalism or damage.
For fire-rated doors, specify hinges that are UL listed as part of the fire door assembly. Self-closing hinges meeting ANSI/BHMA A156.17 Grade 1 can satisfy NFPA 80 self-closing requirements when properly listed.
NFPA 80 governs all hardware installed on fire-rated door assemblies. The fire rating of a door assembly includes the door, frame, hardware, and glazing as a tested and listed system. Substituting unlisted hardware — even a seemingly minor item — can void the assembly listing and create a life-safety violation.
| Hardware Item | Requirement | Standard |
|---|---|---|
| Hinges | Steel or stainless, UL listed; ball-bearing preferred for high-cycle doors | ANSI/BHMA A156.1 |
| Self-Closing Device | Required on all rated doors; closer or self-closing hinge must be UL listed | NFPA 80 §6.2, A156.17 |
| Latch / Lockset | Positive latching required; must latch without final contact with strike | ANSI/BHMA A156.2, A156.13 |
| Exit Device | Fire-labeled exit devices only; rim or mortise types listed for fire door | ANSI/BHMA A156.3 |
| Door Coordinator | Required on rated pairs to ensure inactive leaf closes before active leaf | NFPA 80 §6.4 |
| Smoke Seal / Gasket | Required for smoke-rated (S-labeled) assemblies | UL 10C, NFPA 105 |
| Hold-Open Devices | Electromagnetic hold-opens must release on fire alarm signal | NFPA 80 §6.2.4 |
| Floor Closers | Must be listed for the fire-door rating; coordinate with structural floor | ANSI/BHMA A156.4 |
Always verify that each hardware item specified for a fire-rated assembly appears in the UL Fire Resistance Directory or the manufacturer’s UL listing data. Document this verification in the hardware schedule and submittal log.
The 2010 ADA Standards for Accessible Design (ADAS) Section 404 establishes the hardware requirements that apply to all doors serving accessible routes in buildings covered by the ADA. The International Building Code (IBC) Chapter 11 and ICC A117.1 extend similar requirements to most commercial construction projects regardless of ADA coverage.
When specifying closers for ADA-accessible doors, use hydraulic or hybrid closers with adjustable closing speed. Self-closing hinges with hydraulic control (such as Waterson’s hydraulic hinge-closer) are an ADA-compliant alternative to surface-mounted closers that also eliminates the vulnerable exposed arm.
ANSI/BHMA grades are performance categories defined in the A156 standard series. Grade 1 is the highest performance level, Grade 3 is the lowest. The grade system applies to nearly all hardware categories, including locksets, closers, hinges, exit devices, and electrified hardware.
| Grade | Application | Cycle Requirement (Lockset Example) | Typical Environments |
|---|---|---|---|
| Grade 1 | Heavy-duty commercial & institutional | 1,000,000+ cycles (ANSI A156.2) | Hospitals, schools, office buildings, government |
| Grade 2 | Light commercial & multi-family residential | 400,000 cycles | Apartment buildings, small retail, light-use commercial |
| Grade 3 | Residential only | 250,000 cycles | Single-family homes, interior residential doors |
| Hardware Type | ANSI/BHMA Standard | Grade 1 Cycle Count |
|---|---|---|
| Butts and Hinges | A156.1 | 1,000,000 cycles |
| Bored Locksets & Latches | A156.2 | 1,500,000 cycles |
| Exit Devices | A156.3 | 1,000,000 cycles |
| Door Controls (Closers) | A156.4 | 2,000,000 cycles |
| Auxiliary Locks & Associated Products | A156.5 | 250,000 cycles |
| Mortise Locks & Latches | A156.13 | 1,000,000 cycles |
| Self-Closing Hinges | A156.17 | 500,000 cycles (Grade 1) |
| Materials & Finishes | A156.18 | N/A (appearance standard) |
| Electrified Locks | A156.25 | Grade 1 per base function |
| Architectural Door Hardware | A156.31 | Covers pulls, push plates, stops |
In a specification, reference the ANSI/BHMA standard by number and grade to avoid ambiguity. For example: “Provide Grade 1 bored locksets conforming to ANSI/BHMA A156.2, Series 4000 Grade 1.” This language allows competitive bidding while enforcing a minimum performance standard.
Finish codes standardized by ANSI/BHMA A156.18 allow architects to specify appearance consistently across manufacturers. The US (United States) prefix system is the most widely used in North American specifications, though some manufacturers also reference the older Builders Hardware Manufacturers Association (BHMA) numeric codes.
| US Code | BHMA Code | Description | Base Material | Typical Use |
|---|---|---|---|---|
| US3 | 605 | Polished brass | Brass | Traditional, upscale interiors |
| US4 | 606 | Satin brass | Brass | Classic commercial interiors |
| US10 | 612 | Satin bronze | Bronze | Warm contemporary interiors |
| US10B | 613 | Dark oxidized bronze, oil rubbed | Bronze | Architectural feature doors |
| US15 | 619 | Satin nickel | Steel/nickel | Modern commercial, healthcare |
| US19 | 622 | Flat black | Steel | Modern/industrial design interiors |
| US26 | 625 | Polished chromium | Steel/chrome | High-gloss commercial applications |
| US26D | 626 | Satin chromium | Steel/chrome | Standard commercial (most common) |
| US28 | 628 | Satin aluminum | Aluminum | Aluminum-frame buildings, exterior |
| US32 | 629 | Polished stainless steel | Stainless steel | High-traffic, corrosive environments |
| US32D | 630 | Satin stainless steel | Stainless steel | Healthcare, coastal, high-durability |
Specify a single finish for all hardware within a hardware set to maintain visual consistency. US26D (satin chrome) and US32D (satin stainless) are the most commonly specified finishes in commercial construction because they hide fingerprints, resist corrosion, and coordinate with a wide range of design palettes. For coastal or high-humidity environments (pools, exterior applications), specify US32D stainless steel or verify that chrome-plated finishes are rated for the exposure level. Some manufacturers offer powder-coat finishes (such as flat black or custom colors) that fall outside the standard US code system; specify these by manufacturer designation and require a sample for approval.
An Architectural Hardware Consultant (AHC) is a professional credentialed by the Door and Hardware Institute (DHI) who specializes in specifying, scheduling, and administering door hardware for construction projects. AHCs are engaged by architects, owners, and construction managers — typically on a fee basis — to provide independent, manufacturer-neutral specification services.
Engaging an AHC typically reduces total hardware cost through competitive specification language, fewer RFIs and change orders, and early identification of coordination issues between hardware and door/frame systems.
Even experienced design teams make hardware specification errors that result in costly field changes. The following are the most frequently encountered mistakes and how to avoid them.
Naming a single manufacturer’s model without generic performance criteria prevents competitive bidding and locks the project to one vendor. Instead, write performance-based specifications referencing ANSI/BHMA standards, then list one or more acceptable manufacturers as “basis of design” products.
Locksets, closers, and exit devices are typically handing-specific. Discovering a handing error at the submittal stage can delay the entire hardware package. Confirm handing for every door during the door schedule review, before issuing specifications for bid.
Specifying standard weight hinges on heavy steel fire doors leads to premature failure and misalignment. Always cross-reference door weight with manufacturer hinge load ratings. Heavy-duty doors (>200 lb) require heavy-weight or ball-bearing hinges, and the specification should state this explicitly.
When electrified hardware (electrified mortise locks, electric strikes, electrified exit devices, electromagnetic hold-opens) is specified, the specification must coordinate with the electrical drawings for power supply, conduit routing, and fire alarm interface. Omitting this coordination results in significant field labor costs for rework.
Door locations, sizes, and ratings change throughout design development. The hardware schedule must be updated with each revision to remain synchronized with the door schedule. A mismatch between the hardware schedule and door schedule discovered during submittal review can delay project completion by weeks.
Stainless steel hardware is designated by alloy grade: 304 (18/8) for interior and light-exterior use, 316 for marine and highly corrosive environments. The finish code US32D specifies appearance (satin stainless) but does not specify the alloy. For coastal or chemical-exposure applications, add a specification clause requiring 316 stainless steel alloy.
The submittal process is the mechanism by which the contractor demonstrates to the architect and hardware consultant that specified products will be provided as required. For hardware, the submittal process typically involves three to four rounds of review.
Best practice: Require the hardware supplier to submit a single, consolidated package for all hardware sets rather than piecemeal submissions. Consolidated packages are easier to review, track, and cross-reference against the hardware schedule.
Q: What is CSI Division 08 71 00 in door hardware specifications?
CSI Division 08 71 00 is the MasterFormat section number for Door Hardware within the Construction Specifications Institute framework. It covers all finish hardware items including hinges, locksets, closers, exit devices, and accessories. Specifiers use this number to organize hardware within a project manual so that all team members — architects, contractors, hardware suppliers, and AHJs — can locate and cross-reference hardware requirements consistently.
Q: What is a hardware set or hardware group in a door specification?
A hardware set (also called a hardware group) is a numbered collection of all hardware items required for a specific door or group of identical doors. For example, Hardware Set 1 might cover all standard office doors: 3 hinges, 1 passage lockset, 1 door stop, and 1 closer. Hardware Set 2 might cover corridor doors with different security requirements. Grouping doors into sets reduces repetition in specifications and makes the hardware schedule easier to manage.
Q: What ANSI/BHMA grade should I specify for commercial doors?
For commercial doors in institutional and heavy-traffic applications, specify ANSI/BHMA Grade 1 hardware. Grade 1 is the highest performance level, requiring the most rigorous cycle testing (typically 1,000,000+ cycles for closers, 1,500,000 cycles for locksets). Grade 2 is acceptable for light commercial and residential applications. Grade 3 is residential-only and should never be used in commercial specifications.
Q: What hardware is required on a fire-rated door?
Fire-rated doors require hardware that is listed for use with the specific fire rating assembly. Required items typically include: a self-closing device (closer or self-closing hinge), a positive latching lockset (no passage sets without a latch on rated assemblies), fire-listed hinges (usually steel ball-bearing hinges with a UL listing), a door coordinator on active/inactive pairs, and any smoke seals required by the fire door assembly listing. Hardware must not be modified from what is listed in the UL directory or it voids the fire rating of the entire assembly.
Q: What ADA hardware requirements apply to door openers and handles?
ADA Standards for Accessible Design (Section 404) require operable hardware parts that do not require tight grasping, pinching, or twisting to operate — lever handles and push/pull plates comply; round knobs do not. Opening force must not exceed 5 lbf for interior doors. When a closer is present, the door must take at least 1.5 seconds to close from 70°. Hardware must be mounted between 15 in. and 48 in. above finished floor. These requirements apply to both sides of the door.
Q: What do hardware finish codes like US26D and US32D mean?
US finish codes are standardized designations from ANSI/BHMA A156.18 that describe the visual appearance and base metal of door hardware. US26D means satin chromium plated over steel (the “D” suffix denotes a dull/satin surface). US32D means satin stainless steel. Common codes include US3 (polished brass), US10B (dark oxidized bronze), US26D (satin chrome — the most common commercial finish), US32D (satin stainless — preferred for durability), and US28 (satin aluminum). These codes allow architects to specify consistent appearance across multiple hardware manufacturers.
Q: When should a project engage an Architectural Hardware Consultant (AHC)?
An Architectural Hardware Consultant (AHC) is a DHI-credentialed specialist who provides independent hardware specification and administration services. Engage an AHC on projects with complex security zoning, large hardware budgets (over $75,000–$100,000), healthcare or justice facilities, projects integrating electronic access control, or when the design team lacks in-house hardware expertise. AHCs typically reduce total project hardware costs through fewer RFIs, fewer change orders, and competitive specification language that allows pricing from multiple suppliers.
ANSI/BHMA A156.17 Grade 1 — UL listed — ADA compliant — CSI spec sections available