UL 325 Commercial Door Requirements: What the Standard Asks For, and Which Rules Make It Enforceable

UL's public commercial-door guidance says a powered door that can close by remote, timer, loop sensor, or another control that does not require constant pressure needs compatible external entrapment protection at the floor. The operator must continuously monitor that protection and restrict closing to constant-pressure-to-close if it is not working. DASMA describes constant-pressure-to-close only as the other post-August-2010 arrangement.

Last verified September 19, 2026. Standard status: ANSI/CAN/UL 325, Edition 7, published May 19, 2017, latest listed revision September 15, 2025. Dataset: UL 325 Commercial Door Compliance Ledger, version 1.1, 164 rows across seven tables, compiled from 30 public sources.

By Uptime Dock & Door Research

Jump to the requirement tables · Download the data · Print the 15-step verification checklist

---

Start here: which rules apply to your door

Source: UL Standards & Engagement, public UL 325 scope and revision record; UL Solutions, commercial-door operator explanation; UL Solutions Question Corner, May/June 2014; DASMA TDS #382; DASMA TDS #457. Verified September 19, 2026.

---

Ten things worth knowing, with the source attached

Evidence marks used on this page: ★ Source-reported means the statement was checked in the named public source. ● Compared means Uptime Dock & Door Research reached the stated boundary by reading two or more named records together. There are no calculated statistics on this page.

1. ★ Source-reported: UL 325 is active, Edition 7, published May 19, 2017; the latest listed revision is September 15, 2025. (UL Standards & Engagement)
2. ★ Source-reported: The public scope includes electric operators rated 600 volts or less in ordinary locations, complete powered assemblies, and accessories such as external entrapment-protection devices. (UL Standards & Engagement)
3. ★ Source-reported: A commercial door that can close by a control other than constant pressure needs external entrapment protection at the floor under UL's public commercial-door explanation. UL names remote control, timer, and loop sensor as examples. (UL Solutions)
4. ★ Source-reported: The operator must continuously monitor that external protection. If it is not working, closing controls are limited to constant-pressure-to-close. (UL Solutions)
5. ★ Source-reported: Public UL material identifies August 29, 2010 as the effective manufacture date for the monitored external-protection change affecting commercial and industrial door operators that close automatically or by remote control. (UL Solutions Question Corner)
6. ★ Source-reported: DASMA TDS #382 says a primary commercial-door photoelectric beam is no higher than 6 inches above the floor; for a light curtain, the lowest beam is no higher than 6 inches. (DASMA TDS #382)
7. ★ Source-reported: OSHA has said there are no specific OSHA standards or requirements for overhead doors. General electrical and workplace rules may still apply. (OSHA, September 10, 2002)
8. ★ Source-reported: OSHA 1910.303(b)(2) requires listed or labeled electrical equipment to be installed and used according to instructions included in the listing or labeling. That does not automatically turn every sentence in every manual into a federal rule. (29 CFR 1910.303)
9. ★ Source-reported: A 2-wire normally open electric edge is described by DASMA as non-monitored. A 2-wire terminated, 4-wire normally open, or 2-wire normally closed configuration can be monitored, subject to the evaluated operator/device system. (DASMA TDS #368)
10. ● Compared: Minnesota's rule still names UL 325 (1987). Its October 2025 enforcement instruction says the 2010 and 2023 editions are not enforceable under that rule, while a separate May 2026 fact sheet remains live and does not repeat every condition or edition statement in the instruction. (Minn. R. 5205.0675; MNOSHA STD 5-1.6B; MNOSHA fact sheet, May 2026)

---

Contents

• What UL 325 actually requires
• Which doors and equipment it covers
• What counts as a monitored device
• How to check that your device and operator actually match
• Is UL 325 the law?
• Why doors, gates and home openers follow different rules
• Do you have to retrofit an older door?
• Check your doors: the 15-step verification checklist
• Claims about UL 325 that are wrong or incomplete
• How UL 325 got here
• What this page can't tell you
• Methodology
• Sources
• How to cite this page
• Download the data
• Questions people ask

---

<a id="requirements"></a>

What UL 325 actually requires

For commercial door operators manufactured after August 2010, DASMA's public guidance describes two arrangements: constant-pressure-to-close only, or a suitable monitored external entrapment-protection device. UL's public commercial-door explanation supplies the controlling condition for unattended or momentary closing: when a door can close through a control other than constant pressure, external protection must cover the entrapment zone at the floor, the operator must continuously monitor it, and a fault must restrict closing to constant-pressure-to-close.

Option one: constant pressure to close. A person holds the close control. Releasing it stops the powered closing motion. The exact manual, control location, sightline, placard, and jurisdictional conditions still matter; one historical control arrangement is not automatically valid for every operator or building.

Option two: compatible monitored external entrapment protection. The installed system may use an approved photoelectric device, sensing edge, light curtain, or another device specifically documented for that operator. The operator continuously monitors the external protection. If the protection is not working, UL's public explanation says closing controls are limited to constant-pressure-to-close.

Do not turn that split into a universal DIY test or a substitute for the exact operator listing. It is a public-source explanation of the product-safety logic.

First, some words

• Operator. The powered drive and control equipment. It is not the door leaf itself.
• Commercial vehicular door operator. A powered operator for a commercial or industrial door used for vehicular traffic, such as an opening at a garage, loading dock, or parking facility.
• Close command. Any input that tells the operator to close: a held station, momentary button, radio remote, timer, vehicle loop, access-control system, or building automation input.
• Entrapment. The condition in which a person is caught or held in a position that increases the risk of injury.
• External entrapment-protection device. Protection outside the operator, such as an approved photoelectric device, sensing edge, or light curtain.
• Primary protection. The device serving the floor-zone entrapment-protection role in the cited DASMA commercial-door guidance.
• Ancillary vehicle protection. Additional eyes, loops, edges, radar, or similar devices used to protect vehicles or property. These do not replace the primary device unless the exact evaluated system documentation says otherwise.
• Monitored. The operator system checks for the presence and connection or proper operation of the external device. DASMA describes monitored systems as detecting conditions such as an open circuit, short circuit, or interrupted wireless signal and changing the permitted movement accordingly.
• Constant-pressure-to-close. Powered closing continues only while the close control remains intentionally held.
• Listed or certified. A certification body evaluated the named product or system to a defined standard and scope.
• Labeled. The certification mark or other required identifying mark appears on the product.
• AHJ. The authority having jurisdiction: the building, fire, electrical, occupational-safety, or other authority that interprets and enforces the requirements applying to the project.
• NRTL. A nationally recognized testing laboratory recognized by OSHA under 29 CFR 1910.7. UL Solutions is one certification organization; it is not the only possible NRTL.

The requirement and boundary table

Source mapping: UL Standards & Engagement, public scope and 2025 revision summary; UL Solutions, commercial-door explanation; UL Solutions Question Corner; DASMA TDS #368; DASMA TDS #382; named manufacturer guidance in the source register. R in the downloadable table means source-reported; C means compared/editorial synthesis.

What changed in 2010

Before the 2010 transition, public industry guidance described more than one older control arrangement, including a three-button station in sight of the door and external protection when other remote or unattended controls were used. Public UL material says that, effective August 29, 2010, commercial and industrial door operators complying with UL 325 needed a connected external entrapment-protection device to close automatically or by remote control, and the operator/control/device combination had to detect that the device was connected and operating properly.

DASMA's current TDS #382 summarizes the post-August-2010 choice as constant-pressure-to-close only or a suitable monitored external device. That is a product-standard transition tied to operator manufacture and evaluation. It does not, by itself, decide the legal status of every existing installation.

---

<a id="scope"></a>

Which doors and equipment it covers

UL 325 covers the operator, and often more than the operator. Its published scope reaches electric operators for doors, draperies, gates, louvers, windows, exterior awnings and other opening and closing appliances rated 600 volts or less, in ordinary locations, in accordance with the National Electrical Code and the Canadian Electrical Code. It also covers complete doors, gates and similar assemblies that include electric opening and closing appliances, and accessories such as external entrapment protection devices.

So the photo eye is inside the standard too. That matters later.

The exact listing determines what was evaluated together.

Source: UL Standards & Engagement, UL 325 public Scope §§1.1–1.6, verified September 19, 2026.

High-speed and high-performance doors

People assume high-speed doors sit outside UL 325. They don't. UL answered this directly in its 2014 public explanation: it offers certification for high-speed door operators, which are treated as commercial or industrial operators even though the industry often calls them “high performance” doors.

There is a wrinkle worth knowing before you read a submittal. DASMA notes that for high performance doors, UL 325 requirements may or may not be required by a job specification, insurance requirement, local ordinance, OSHA involvement, or a request from the building owner. And where a manufacturer calls a high performance door “compliant,” DASMA says that can mean the door is equipped to meet UL 325 requirements but is not listed and labeled by an independent agency. Compliant and listed are not the same word. Ask which one you're buying.

DASMA's own definition of a high performance door, for reference, is a power-operated rolling, folding or sliding non-residential door generally characterized by either 100 or more cycles per day or an opening speed of 20 or more inches per second. This is dated industry guidance from 2017, not a universal legal rule; the exact product, listing, manual, specification, adopted requirements, and AHJ control the installed decision.

Rolling fire doors

A rolling fire door has an operator, so the operator can be in scope. But UL 325's published scope says plainly that it does not address active fire alarm functionality, which is addressed in NFPA 80. If you're looking for the periodic testing and record-keeping rules for a rolling fire door, those live in a different standard and are covered in our reference on fire door drop test requirements.

Do not use this page to reset, alter, bypass, or modify a fire-door release system or alarm interface.

What UL 325 doesn't cover

UL 325 governs the operator and its safety system. It is not a door construction standard. Wind load, cycle life, gauge, insulation and slat design sit in other documents. If your question is about the door leaf rather than the drive, start with rolling steel door vs sectional door.

A listing also does not establish that every accessory, modification, control input, or installed condition is covered.

---

<a id="monitored"></a>

What counts as a monitored device

A device counts as monitored entrapment protection only when the operator system monitors it and the exact device has been evaluated and documented for that operator. Appearance alone cannot establish that.

DASMA TDS #368 says only monitored device systems may be used as entrapment protection. Non-monitored systems may be used for functional needs or property protection, but not as the entrapment-protection device described there.

Electric edge configurations

Source: DASMA TDS #368, Edge Sensors, Rev. 11/22. The table does not authorize opening a control enclosure or probing wiring. Use documentation and qualified evaluation.

The six-inch rule

Photoelectric sensors, when used for monitored external entrapment protection, are installed parallel to the floor with the internal beam no higher than six inches above the floor under DASMA TDS #382. When a light curtain or array with multiple beams is used, the lowest emitted beam goes no higher than six inches.

That six-inch statement is DASMA's published commercial-door guidance. The exact manufacturer instructions and evaluated system still control the named installation.

If you need to protect trucks and forklifts, that's a real problem and there's a real answer: add devices. Extra photo eyes, loops and edges can be used at other heights. They are ancillary protection, and under the situation DASMA describes they are not required to be monitored, but they may never take the place of the primary monitored device at the floor. A manual, specification, code, or another requirement may be stricter.

The instinct to raise the primary eye to stop forklifts destroying it is understandable. It solves a maintenance problem by removing the protection at the floor.

Device families, and what each one misses

Source: DASMA TDS #368 for edge technologies, monitoring principles, and wiring configurations; DASMA TDS #382 for commercial-door photoelectric/light-curtain height and primary-versus-ancillary guidance; exact operator manuals for product-specific approval. Full 16-row table in the download.

That capacitance line deserves a second look. A capacitance edge senses conductive objects. Paper, wood and plastic are not conductive, and DASMA says they will not be detected by that sensing principle. That is a device limitation, not a universal reason to reject the technology; the selected device has to match the actual protection task.

---

<a id="compatibility"></a>

How to check that your device and operator actually match

Don't approve a replacement sensor because the connector fits, the voltage looks right, or the box says "UL 325 compliant." The pairing has to be documented.

DASMA is direct about this: only edge sensors that are monitored, have been evaluated with an operator to ANSI/CAN/UL 325, and are listed in the operator instruction manual as monitored external entrapment protection devices are to be used as entrapment protection. The 2010 guidance said the same about photo eyes — acceptable devices must be detailed in the instruction manual, because the UL 325 listing depends on the evaluation of each operator with each acceptable entrapment protection device.

There is no universal approved-device list. For a specific system, the exact operator manual and listing documentation are the list.

UL's public 2014 explanation adds the reason: separately obtained motors, controls, drives, doors, and protection devices may have been evaluated to separate standards without having been evaluated together as one UL 325 system.

In other words, a box of individually-certified parts is not automatically a certified system, and the person who inherits that problem is your inspector.

Five records to match before you buy anything:

1. Operator manufacturer and exact model, from the nameplate or a reliable facility record.
2. The operator manual, in the edition that matches that model.
3. The safety device manufacturer and exact model.
4. The manual's list of acceptable monitored entrapment protection devices.
5. The applicable listing or category record, when available. UL Product iQ can help verify UL-certified products and category information. Not finding a product in a casual search is not proof that it is unlisted; it can mean the search name or category was wrong.

---

<a id="law"></a>

Is UL 325 the law?

No — and that's not the end of the answer, it's the beginning of a better one.

UL 325 is a product safety standard. It becomes part of an installed requirement through something else: a product listing, an adopted code, an AHJ decision, a workplace rule, a contract, an insurer, a project specification, or an owner standard.

Here's every route we could verify, and what each one actually reaches.

The enforcement-path table

Source mapping: UL Standards & Engagement; UL Solutions, 50th anniversary and model-code discussion; OSHA 1910.303; OSHA 1910.399; OSHA overhead-door interpretation; OSHA listing-instructions interpretation; CPSC residential guidance; Minnesota rule; MNOSHA STD 5-1.6B; DASMA TDS #359. Full 20-row table in the download.

The OSHA answer, without overstating it

Put those rows together and you get the real federal picture, which is more useful than either “OSHA requires UL 325” or “OSHA doesn't care.”

No specific OSHA standard mentions overhead doors. True, and OSHA has said so. The same 2002 interpretation said general-industry or construction standards may still apply depending on the work.

A powered commercial door operator is also electrical equipment. Section 1910.303(a) requires covered electrical equipment to be approved. Section 1910.303(b)(1)(i) says suitability for an identified purpose may be evidenced by listing or labeling. Section 1910.303(b)(2) says listed or labeled equipment must be installed and used according to instructions included in the listing or labeling.

OSHA's 2003 interpretation says an employer would violate 1910.303(b)(2) when installation or use is inconsistent with NRTL-required markings, labeling, or required installation and use instructions. That supports a careful conclusion, not a shortcut:

● Compared: listing conditions and NRTL-required instructions can matter to a powered commercial operator in a workplace. OSHA does not say in those provisions that every commercial door must carry a UL 325 listing, and it does not convert every sentence in every owner manual into a federal regulation. The exact product, listing scope, required instructions, approval route, and facts still matter.

While we're here: “OSHA approved” is not a thing. OSHA has said it plainly: it is not an approving agency, and the term should not be used. If a quote says the operator is OSHA approved, that's a marketing sentence, not a compliance one. Name the actual certification body, listing, government approval route, or AHJ decision instead.

What the building code actually says

UL Solutions reports that the IBC, IRC, and IFC reference CAN/UL 325 for named applications such as garage doors, automatic vehicular gates, and fire doors, with listed and labeled products required where those code provisions apply.

That is not the same as saying every edition, jurisdiction, occupancy, and commercial dock opening has the same rule. Verify:

• The code edition actually adopted.
• Local amendments.
• The occupancy and application.
• The product or assembly being regulated.
• The AHJ's interpretation.

This page does not use a privately republished code excerpt to declare a warehouse exempt or covered.

The residential rule, so you stop importing it

There is a real, mandatory federal rule built on UL 325: 16 CFR Part 1211, the CPSC's Safety Standard for Automatic Residential Garage Door Operators. It applies to residential operators, not commercial dock doors.

It is residential. It does not reach your dock doors as a direct consumer-product rule. It is, however, why so many pages confidently tell commercial readers that “UL 325 is federal law” — they're describing the residential rule and forgetting to say so.

The distinction does not make commercial safety optional. It means the correct commercial route has to be named instead of borrowing the residential one.

Minnesota: a verified state workplace example

Minnesota Rule 5205.0675, subpart 2 applies to overhead or sliding doors with enough weight or closing force to cause crushing injury to employees. It calls for a constant-pressure closing switch, safety edge, pressure-relief mechanism, or three-button control station meeting UL 325 (1987), paragraph 29.1C.

MNOSHA Instruction STD 5-1.6B, dated October 29, 2025, says the rule references UL 325 (1987); it says the 2010 and 2023 versions are not enforceable under that rule. The instruction describes three accepted arrangements and, for the three-button option, includes a permanent warning placard, sightline, attended closing, no automatic closing controls, and no remote operation.

A separate MNOSHA fact sheet dated May 2026 remains live. It summarizes the three arrangements but does not repeat every condition or edition statement in the October 2025 instruction. Do not call the newer fact sheet “superseded.” The two current state documents are not fully aligned, and a Minnesota facility should use the rule, current instruction, current fact sheet, and MNOSHA or qualified local guidance together.

The instruction itself also says MNOSHA directives assist agency personnel and are not legally binding declarations by themselves. The rule is the binding instrument; the instruction explains enforcement.

---

<a id="doors-vs-gates"></a>

Why doors, gates and home openers follow different rules

Most of the UL 325 advice online is about gates or home openers. A lot of it is accurate — for gates and home openers. Applied to a warehouse door, it produces the wrong answer, and it's the single biggest source of confusion on this topic.

Source mapping: UL Standards & Engagement public scope; UL Solutions commercial-door explanation; CPSC residential rule guidance; DASMA TDS #353, vehicular gate operators; DASMA TDS #351, residential legislation guidance; DASMA TDS #382, commercial-door guidance. Full 18-row table in the download.

Classes I, II, III, and IV are gate classes

DASMA TDS #353 describes Classes I through IV as vehicular gate-operator usage classifications. Class III mentions a factory or loading-dock area, which is why the wording is often copied onto dock-door pages. It describes the gate at that location, not the powered overhead door in the building opening.

“Two independent means” is a gate rule with a table behind it

DASMA's reproduction of UL 325 gate provisions says vehicular gate and barrier operators need the minimum independent entrapment-protection means specified by gate type, travel direction, and entrapment zone. Many gate conditions require two; the table includes exceptions and different minimums.

Do not flatten that into “every commercial door needs two sensors.” The public commercial-door explanation instead centers on floor-zone external protection for non-constant-pressure closing, continuous monitoring, and constant-pressure fallback.

The dates are product-specific

August 29, 2010 is the public commercial-door manufacture date stated by UL and DASMA for the monitored external-device transition. January 1, 1991 is the initial federal residential automatic-reverse date; January 1, 1993 is the additional secondary-protection date. This page does not publish a single gate date as though it controlled commercial doors.

---

<a id="retrofit"></a>

Do you have to retrofit an older door?

The 2010 UL 325 product transition did not, by itself, create a universal national requirement to retrofit every earlier commercial operator. That is narrower — and more defensible — than saying older operators are universally “grandfathered.”

DASMA's 2010 guidance, written as the change took effect, is specific on both points. Operators labeled and listed before August 29, 2010 could continue to be sold and installed when already in stock, and repairs to operators complying with previous UL 325 versions were still permitted. The same guidance told readers to monitor local and national codes that could restrict pre-August-2010 operators.

So what can change the answer for an older door?

• Replacement or substantial alteration. A replacement operator is evaluated under the requirements applying to that product and listing. Do not assume that every replacement configuration is acceptable without checking the exact listing and manual.
• An adopted code or local ordinance. The edition, scope, amendments, and AHJ matter.
• A state workplace rule. Minnesota is one verified example in this source set.
• The existing listing, labeling, and required instructions. Changes, mismatched accessories, or use outside the evaluated purpose can create a different problem than age alone.
• A specification, insurer requirement, contract, or owner standard. These can be stricter than the minimum public rule.
• The installed condition. Damage, bypasses, missing guards, altered controls, undocumented devices, or a door that is off track or unbalanced are current conditions, not historical edition questions.

The manufacture date is evidence. It is not the whole decision.

---

<a id="checklist"></a>

Check your doors: the 15-step verification checklist

This is a records-and-safe-observation checklist. It does not certify the installation and does not ask an untrained person to obstruct a moving door, create a fault, probe wiring, open an energized enclosure, remove a guard, or enter the travel path.

Source mapping: UL 325 public scope; UL Solutions commercial-door explanation; OSHA 1910.303; DASMA TDS #368; DASMA TDS #382; exact manufacturer instructions; project records. Printable 15-row CSV in the download.

What about the monthly test in DASMA TDS #382?

DASMA TDS #382 describes monthly photoelectric-sensor testing and tells facility personnel to review the manufacturer's instructions. That is useful evidence for the maintenance record. It is not a universal permission for an untrained person to improvise an obstruction test on any commercial door.

For each opening, record:

• The exact test method in the correct manufacturer instructions.
• The required interval.
• The person or role authorized and trained to perform it.
• The conditions that must be met before cycling the door.
• The last result, corrective action, and next due date.

Where the manual assigns the procedure to trained facility personnel and the opening is otherwise safe, follow the manual. Where the product, condition, or role is unclear, arrange qualified evaluation instead of inventing a test.

For symptom identification without electrical or mechanical repair steps, use the commercial overhead door problems reference.

---

<a id="myths"></a>

Claims about UL 325 that are wrong or incomplete

Source mapping: UL Standards & Engagement public scope and revision record; UL Solutions commercial-door explanation; OSHA overhead-door interpretation; CPSC residential operator material; DASMA TDS #353; DASMA TDS #368; DASMA TDS #382; Minnesota Rule 5205.0675; MNOSHA STD 5-1.6B. Supporting rows and limitations are in the downloadable ledger.

---

<a id="timeline"></a>

How UL 325 got here

The current standard is Edition 7, published May 19, 2017, with the latest listed revision dated September 15, 2025. The dates below keep commercial, residential, gate, federal, and Minnesota events in separate lanes.

Source mapping: UL Standards & Engagement; UL Solutions binational article; UL Solutions Question Corner; CPSC residential guidance; Minnesota rule; MNOSHA instruction; MNOSHA fact sheet; DASMA sheets listed in Sources. Full 17-row CSV in the download.

The September 2025 revision is the current change point. UL's public summary identifies commercial-door external-entrapment clarification at §31.2.2, a commercial-door-operator definition topic at §4.5, battery-powered applications, instruction-manual changes, and Supplement SC. The summary identifies the topics; it does not expose the complete clause text.

---

<a id="limits"></a>

What this page can't tell you

We did not have the complete paid UL 325 text for full review. We used the standard issuer's public scope and revision summary, official UL explanations, regulations and agency material, DASMA technical guidance, and named manufacturer documents. We do not reproduce protected tables or pretend that a public summary is the complete standard.

We can't tell you whether your specific door passes. That requires the exact operator and accessory records, the listing scope, the installed condition, the controls, the locally adopted requirements, the project documents, and any AHJ decision.

We can't tell you which code edition your jurisdiction adopted, or what it amended. Verify that for the actual project.

Sources disagree in one place we know of. The October 2025 MNOSHA enforcement instruction and the May 2026 fact sheet describe the same Minnesota rule with different levels of detail. This page reports the difference instead of choosing one document and hiding the other.

What we excluded, and why. No commercial-door injury, fatality, citation-count, price, or insurance-denial figure appears here. We did not find a defensible figure specific to this search job without stretching a broader population or repeating an untraceable claim.

Manufacturer specifications are manufacturer-stated for the named model, system, and document edition. They are not independent testing and not a universal rating.

DASMA technical sheets are industry guidance. DASMA itself says they do not replace manufacturer instructions and that local regulations should be checked.

What would change the conclusions: a new UL 325 edition or revision, a federal or state rule change, a superseding agency interpretation, a new adopted code cycle, a changed listing/category record, or updated manufacturer instructions.

---

<a id="methodology"></a>

Methodology

We checked 30 public sources and reconciled seven tables on September 19, 2026. The resulting UL 325 Commercial Door Compliance Ledger version 1.1 contains 164 rows.

Source order

Where sources served different roles, we kept those roles separate:

1. UL Standards & Engagement public catalog scope and revision history.
2. Official UL Solutions explanations and certification/category material.
3. Federal regulations, agency guidance, and rulemaking.
4. State rule and agency material.
5. DASMA technical guidance.
6. Named manufacturer documents, kept brand- and model-specific.
7. Uptime editorial comparison, visibly labeled.

Forums and comments were used only to understand the words people use for held-button closing, photo eyes, remotes, and bypass questions. They were not used as evidence for a technical or legal claim.

How the data was built

How the rows were joined. Each downloadable row carries its own source document, source class, revision code or date, locator where applicable, and verification date, so the ledger doesn't average sources together or treat missing information as zero. Where two documents describe the same requirement from different angles — UL's article and DASMA's data sheet on the 2010 change, for example — both are cited and the row names which one the wording came from. The source register carries issuer, document title, document number, edition or revision, document date, URL, access date, and source class.

The combined JSON contains:

• Requirements and public-scope records.
• Enforcement paths.
• Commercial door versus residential versus gate comparisons.
• Device eligibility and configuration records.
• Edition and event timeline.
• Safe verification checklist.
• Source register.

Missing or inapplicable information is not treated as zero. No row certifies an installed system.

Evidence marks

• R / ★ Source-reported: checked in the named public source at the stated locator or section.
• C / ● Compared: a boundary or comparison drawn from named source-reported records. The page states the comparison and its limits.

No numerical value on this page is presented as a calculated result. Anything we couldn't verify was narrowed to what the evidence supports, or left out.

Dates. Where a document's edition year differs from the year we checked it, both appear. “Last verified” on this page changes only when someone actually reopens the affected sources and rows.

Reconciliation checks

The final files contain:

• 48 requirement records.
• 20 enforcement-path records.
• 18 product-family crosswalk records.
• 16 device/configuration records.
• 17 timeline records.
• 15 checklist records.
• 30 source-register records.

Total: 164 rows. The combined JSON records the same table counts and total. CSV and JSON values were compared programmatically before packaging.

---

<a id="sources"></a>

Sources

The standard and official UL explanations

• UL Standards & Engagement. UL 325 — Door, Drapery, Gate, Louver, and Window Operators and Systems (public catalog scope and revision summary). Edition 7; latest listed revision 2025-09-15; document date 2017-05-19; revised 2025-09-15. Accessed September 19, 2026. Source class: Standard issuer — public catalog record.
• UL Solutions. New US & Canada Binational Standard Published for Door and Gate Operators and Systems. Official explanatory article; document date 2018-09-11. Accessed September 19, 2026. Source class: Official UL explanatory source.
• UL Solutions. UL 325 50th Anniversary & Key Safety Issues. Official explanatory article; document date 2023-11-29. Accessed September 19, 2026. Source class: Official UL explanatory source.
• UL Solutions / IAEI Magazine. UL Question Corner — commercial and high-speed door operators. May/June 2014; document date 2014-05/06. Accessed September 19, 2026. Source class: Official UL published Q&A.

Federal regulations and agency material

• U.S. Occupational Safety and Health Administration / eCFR. 29 CFR 1910.303 — General. Current eCFR text; document date Current through 2026-09-17. Accessed September 19, 2026. Source class: Federal regulation.
• U.S. Occupational Safety and Health Administration / eCFR. 29 CFR 1910.399 — Definitions applicable to this subpart. Current eCFR text; document date Current through 2026-09-17. Accessed September 19, 2026. Source class: Federal regulation.
• U.S. Occupational Safety and Health Administration. 29 CFR 1910.7 — Definition and requirements for a nationally recognized testing laboratory. Current; document date Current. Accessed September 19, 2026. Source class: Federal regulation.
• U.S. Occupational Safety and Health Administration. There are no specific OSHA standards or requirements applicable to overhead doors. Letter of interpretation; document date 2002-09-10. Accessed September 19, 2026. Source class: Federal agency interpretation.
• U.S. Occupational Safety and Health Administration. Installation and use of electrical equipment must be consistent with NRTL-required markings, labeling, or instructions. Letter of interpretation; document date 2003-08-26. Accessed September 19, 2026. Source class: Federal agency interpretation.
• U.S. Occupational Safety and Health Administration. Approval of equipment and the phrase “OSHA approved”. Letter of interpretation; document date 1989-01-09. Accessed September 19, 2026. Source class: Federal agency interpretation.
• U.S. Consumer Product Safety Commission / Office of the Federal Register. Safety Standard for Automatic Residential Garage Door Operators. Direct final rule; document date 2018-07-13; effective 2018-09-11. Accessed September 19, 2026. Source class: Federal rulemaking.
• U.S. Consumer Product Safety Commission / Office of the Federal Register. Safety Standard for Automatic Residential Garage Door Operators. Direct final rule; document date 2024-03-14; effective 2024-05-13. Accessed September 19, 2026. Source class: Federal rulemaking.
• U.S. Consumer Product Safety Commission. CPSC Safety Standard Targets Garage Door Deaths. Release 91-082; document date 1991-06-12. Accessed September 19, 2026. Source class: Federal agency historical release.
• U.S. Consumer Product Safety Commission. Safety Commission Publishes Final Rules for Automatic Garage Door Openers. Document date 1992-12-03. Accessed September 19, 2026. Source class: Federal agency historical release.

Minnesota rule and guidance

• Minnesota Office of the Revisor of Statutes. Minnesota Rules 5205.0675 — Covers and Overhead Doors. Current; document date Current. Accessed September 19, 2026. Source class: State administrative rule.
• Minnesota Department of Labor and Industry / MNOSHA. Enforcement of the Overhead Door Protection Standard. B; document date 2025-10-29. Accessed September 19, 2026. Source class: State enforcement instruction.
• Minnesota Department of Labor and Industry / MNOSHA. Overhead doors — clarification of Minnesota Rules 5205.0675, subpart 2. May 2026; document date 2026-05. Accessed September 19, 2026. Source class: State agency fact sheet.

DASMA technical guidance

• Door & Access Systems Manufacturers Association. Federal and State Residential Garage Door Operator Legislation Guidelines. REV 1/24; document date 2024-01. Accessed September 19, 2026. Source class: Industry technical guidance.
• Door & Access Systems Manufacturers Association. Vehicular Gate Operators and the ANSI/CAN/UL 325 Standard. 1/25; document date 2025-01. Accessed September 19, 2026. Source class: Industry technical guidance.
• Door & Access Systems Manufacturers Association. Vehicular Commercial Door & Gate Operators and OSHA Requirements. 9/25; document date 2025-09. Accessed September 19, 2026. Source class: Industry technical guidance.
• Door & Access Systems Manufacturers Association. Gate Operators, Commercial Door Operators, and NEC Provisions. 9/25; document date 2025-09. Accessed September 19, 2026. Source class: Industry technical guidance.
• Door & Access Systems Manufacturers Association. Edge Sensors. Rev. 11/22; document date 2022-11. Accessed September 19, 2026. Source class: Industry technical guidance.
• Door & Access Systems Manufacturers Association. Proper Installation of Photoelectric Non-Contact Sensors on Vehicular Commercial Door Operators. REV 05/22/22; document date 2022-05-22. Accessed September 19, 2026. Source class: Industry technical guidance.
• Door & Access Systems Manufacturers Association. UL 325 and High Performance Doors. 02/17; document date 2017-02. Accessed September 19, 2026. Source class: Dated industry technical guidance.
• Door & Access Systems Manufacturers Association. New UL 325 Requirements for CDOs Begin Aug. 29. Summer 2010; document date 2010. Accessed September 19, 2026. Source class: Historical industry article.
• Door & Access Systems Manufacturers Association. Technical Data Sheets index and limitation statement. Live index; document date Current. Accessed September 19, 2026. Source class: Industry source index and limitation statement.

Named manufacturer guidance

• LiftMaster. Protecting People and Property. Live manufacturer article; document date Current. Accessed September 19, 2026. Source class: Manufacturer guidance — brand/system specific.
• Overhead Door Corporation. UL 325 Standards — 2010 Standard Update. Historical manufacturer guidance; document date 2010-era page. Accessed September 19, 2026. Source class: Manufacturer guidance — historical and brand specific.
• CornellCookson. Key Points of the UL 325 Standard. Manufacturer article; document date 2023-03-20. Accessed September 19, 2026. Source class: Manufacturer guidance — rolling-product specific.
• Manaras-Opera. ANSI/UL 325 2010 Update FAQ. Historical manufacturer FAQ; document date 2010. Accessed September 19, 2026. Source class: Manufacturer guidance — historical and brand specific.

---

<a id="cite"></a>

How to cite this page

Suggested page citation

Uptime Dock & Door Research. “UL 325 Commercial Door Requirements: What the Standard Asks For, and Which Rules Make It Enforceable.” Uptime Dock & Door. Last verified September 19, 2026.

Suggested dataset citation

Uptime Dock & Door Research. UL 325 Commercial Door Compliance Ledger, version 1.1. Verified September 19, 2026. 164 rows across seven tables.

No reuse licence has been assigned to the dataset. If you want to republish the tables, ask us first through the contact details on our editorial policy page. We haven't claimed that anyone has cited this page, because we haven't checked.

For corrections, use Contact and corrections and identify the row ID, source, and disputed wording.

---

<a id="download"></a>

Download the data

Public directory: /research/ul-325-commercial-door-requirements/data/

Source: generated production files listed in this package. Row counts were reconciled against the combined JSON on September 19, 2026.

The CSV files are UTF-8 with headers. The JSON and CSV counts must stay synchronized. Version 1.1 is verified through September 19, 2026.

---

<a id="faq"></a>

Questions people ask

Does every commercial overhead door need photo eyes?

No. A manual door has no powered operator. For a powered commercial door, the answer depends on the close controls, the exact operator, and the approved protection options. UL's public explanation says non-constant-pressure closing requires external floor-zone protection, but the approved device can be a photoelectric system, sensing edge, light curtain, or another documented device. DASMA also describes constant-pressure-to-close only as a post-2010 arrangement.

Why will the door close only while I hold the button?

It may be configured for constant-pressure-to-close, or it may be restricting closing because monitored external protection is not working. Behavior alone does not identify the cause. Record what changed, the visible status, exact models, and manual-defined behavior. Do not jumper or bypass the input. The commercial overhead door problems reference can help classify the symptom safely.

Can I mount the primary photo eyes higher so forklifts do not hit them?

Not under the primary placement described in DASMA TDS #382. That guidance says the primary beam is no higher than 6 inches above the floor. Additional vehicle-protection devices can be installed at other heights, but they do not replace the primary device.

Can a loop detector replace the primary photo eye or edge?

DASMA lists vehicle loop detectors as possible ancillary vehicle protection in TDS #382. That ancillary protection does not replace the primary monitored entrapment-protection device described there. A loop can also be a close command, which is one reason every enabled input has to be documented.

Does a UL mark mean the entire installation complies?

No. The mark and listing have a defined product and configuration scope. The installed accessory pairing, controls, modifications, condition, use, adopted rules, and AHJ acceptance remain separate questions.

Does an old operator have to be replaced?

Age alone does not answer that. The 2010 product transition did not itself create a universal national retrofit mandate, but an adopted rule, alteration, listing condition, project specification, insurer, owner standard, current damage, or AHJ decision can change the result.

Is UL 325 a federal commercial-door law?

Not as a single direct federal rule for every commercial door. The direct CPSC rule identified here is for automatic residential garage-door operators. Commercial requirements can become enforceable through other routes described in the enforcement table.

Who can decide whether a specific installation passes?

That depends on the question. A certification record establishes product scope; a qualified door professional can evaluate the installed equipment; a compliance professional can analyze workplace obligations; and the applicable AHJ decides the project or jurisdictional approval within its authority. This page organizes the evidence but does not replace any of them.

---

Uptime Dock & Door Research is the research and reference section of Uptime Dock & Door, an independent commercial service-referral publisher for loading docks and commercial doors. It is not a manufacturer, testing laboratory, standards body, government agency, or repair contractor, and it is not affiliated with UL, DASMA, OSHA, CPSC, MNOSHA, or any manufacturer named here. Read the editorial policy or submit a correction through Contact and corrections.

<!--