Annual contractor maintenance covers one part of the job. A clear monthly visual check closes the gap between those visits.

Annual contractor maintenance does not replace the monthly visual inspection. OSHA treats them as separate tasks. The operational gap is assigning, completing, and documenting the work between visits.

For covered workplaces, OSHA requires portable fire extinguishers to be visually inspected monthly. OSHA separately requires an annual maintenance check and a record of that maintenance date. A facility that relies only on its annual contractor visit leaves the monthly requirement unfinished.

Annual maintenance and monthly checks differ

Annual maintenance is more than a visual pass. Facilities commonly use their fire-extinguisher contractor or another authorized service provider for annual maintenance; follow the requirements and procedures that apply at your site.

The monthly inspection serves a narrower purpose: verify that each extinguisher still appears ready and accessible between annual visits. OSHA’s portable extinguisher guidance lists monthly visual inspection and annual maintenance as separate duties. NFPA also treats inspection, maintenance, and testing as distinct parts of portable fire extinguisher inspection, testing, and maintenance.

A current annual service tag answers one question. It does not tell a building engineer whether the Kidde Pro 10 MP at Dock Door 4 is still mounted, unobstructed, and free from visible damage today.

During the monthly route, the maintenance lead checks that unit, records the result, and follows the facility’s escalation procedure if a pallet blocks access. That is the core of a workable facility program.

Make the monthly requirement concrete

“Visually inspect monthly” is a short instruction. It tells a facility how often to inspect, but it does not give every team a ready-made route, assignment, or site checklist.

Turn that broad instruction into a written procedure built around the extinguishers in your buildings. The procedure should identify who owns each route, what the person checks, how findings are recorded, and what happens when something looks wrong.

Use the following list as a practical starting point, then align it with your adopted fire code, applicable NFPA edition, insurer requirements, service provider guidance, and facility procedures.

• Confirm the extinguisher is in its assigned place. Match the unit to the location on the route. If the Amerex B500 assigned to Electrical Room E-12 is missing, a signed paper tag on an empty bracket does not complete the check.

• Check access and visibility. Look for carts, pallets, furniture, open doors, or stored material that blocks the extinguisher. Confirm that someone approaching the location would see it and reach it without first moving equipment.

• Look at the extinguisher’s visible condition. Check the cylinder, handle, valve area, bracket, and other exposed parts for damage, corrosion, leakage, or signs of discharge. Record anything that needs review rather than trying to diagnose an internal problem during a visual check.

• Review the gauge or other indicator. Where the extinguisher has a pressure gauge, note whether the needle sits in its normal marked range. Different extinguisher types have different indicators, so the facility procedure needs to match the units on site.

• Check the pin and tamper seal. Look for a missing or disturbed pin, broken seal, or other sign that the extinguisher was handled. Record a missing or disturbed pin or seal and follow the facility’s procedure for taking the unit out of service or sending it for qualified review.

• Inspect the hose, horn, or nozzle from the outside. Look for cracks, damage, blockage, or a part that is no longer secured as expected. The monthly check remains visual; it is not an internal examination or repair.

• Confirm labels and instructions remain readable. A painted-over label or torn instruction panel deserves attention. The same applies when the unit identity or location marking no longer matches the facility record.

• Record the result and escalate exceptions. Log the date, extinguisher identity, assigned location, result, and inspector. If the 10-pound ABC extinguisher beside Paint Storage Room P-3 fails the facility’s check, follow the site procedure for escalation and qualified service.

This example does not establish the legal checklist for every building or occupancy. Local rules and adopted standards differ, and a facility procedure needs to reflect the requirements that apply at that site.

Clear ownership prevents skipped routes

A checklist without an owner becomes another document in the safety binder.

Assign each inspection route to a trained, authorized role under the facility’s procedures. One building might give the first-floor route to a building engineer and the warehouse route to a maintenance lead. A larger campus may divide the work by building, floor, or fire zone.

Name a backup as well. Vacation, shift changes, and open positions should not leave three months of blank records outside Mechanical Room M-204.

Keep the assignment specific enough to verify. “Maintenance checks the extinguishers” is vague. “The second-shift maintenance lead checks extinguishers W-01 through W-28 during the first full workweek of the month” gives the team a route and a clear finish line.

A manager still needs a way to see whether the work happened.

Keep the record tied to the extinguisher

Paper tags provide a quick mark at the unit, but they have limits. Small writing boxes leave little room for findings, and the tag does not show a manager which locations remain unchecked without another round through the building.

A useful monthly record identifies the exact extinguisher and includes the inspection date, result, inspector, photos or notes, and the next step for any exception.

Avoid a single entry that says “all extinguishers checked.” If a contractor asks about the Ansul Sentry 10 at Boiler Room B-1, the facility should have a record for that unit rather than a broad note covering 84 locations. The manager opens the unit’s record and finds the inspection date, result, and exception note without sorting through a facility-wide entry.

The inspector records the result at the extinguisher, and the facility manager reviews that unit’s history without reconstructing it from loose tags, emails, and a spreadsheet.

How Slate Pages supports the monthly route

Slate Pages puts the record on the extinguisher through a QR tag called a Slate. A technician scans the tag on the Kidde Pro 10 MP at Dock Door 4, and that extinguisher’s record opens on the phone or tablet.

With the Slate Pages app, the scan opens the unit directly in the app. Without the app, the same tag opens a web view in the phone’s browser, and no account is required to scan and read. A team member using the app updates the record while standing at the extinguisher. Custom fields hold the assigned location, inspection date, result, photos, and notes or journal entries. A phone or email field gives the inspector a tap-to-call or tap-to-email path for escalation, while a URL field links to the facility’s inspection instructions.

Managers review extinguisher records through the web Dashboard in List or Map view. When a contractor or supervisor needs one unit’s history, the manager shares that Slate as a web link that opens without an account. The contractor opens the link and sees the specific extinguisher’s dates, notes, photos, and location before discussing the next step with the facility manager.

Choose paper or vinyl stickers for protected indoor areas, or use armor-coated PVC and laser-etched anodized aluminum tags in harsher, high-contact settings.

Slate Pages puts the extinguisher’s record at the point of work, so the inspector does not have to search a separate list before recording the result. Slate Pages does not decide whether an extinguisher passes inspection or what service it needs.

About Slate Pages: Slate Pages is a QR code asset tracking and recordkeeping system for facility, field, and service teams. Each QR tag opens the attached asset’s record at the point of work, while mobile apps and a web Dashboard support updates and oversight.

Start with one route

Do not wait for a facility-wide software rollout to fix a missing monthly task. Start with one building or fire zone and write down five things:

• The extinguishers included on the route
• The trained, authorized role assigned to inspect them
• The site-approved visual checklist
• The fields required in each inspection record
• The escalation path for a missing, damaged, discharged, blocked, or questionable unit

Walk the route once with the person assigned to it. Resolve duplicate asset names, stale room numbers, and extinguishers that do not match the list. Then use the first completed month to adjust the route before expanding it.

Close the gap between contractor visits

Build the monthly process around the extinguishers your team has, the routes people already walk, and the response your facility follows when a unit needs attention. A one-building worksheet is a sensible first step.

Use the route, ownership, record fields, and escalation steps above to create a one-building monthly inspection worksheet. If paper tags or shared lists no longer give managers enough detail, see how Slate Pages connects each extinguisher to its inspection history at the point of work.

This article does not cover extinguisher selection, placement distances, employee training, evacuation plans, internal examinations, hydrostatic testing, or repair because each involves requirements beyond a monthly visual check. Software can reduce friction in an existing workflow, but it does not replace good field practice, training, qualified service, or the local rules and adopted standards that apply to your facility.