How to Clean a Urinal Safely and Thoroughly

What You’ll Need

Disposable or reusable cleaning gloves
Eye protection, especially when using a spray cleaner
Urinal-safe bathroom cleaner or disinfectant, used according to its label
Urinal brush with a long handle
Disposable cloths or paper towels
Bin liner and a wet-floor sign, if the area is open to others

Check the urinal manufacturer’s care instructions and the cleaner’s label before starting. Use a product suitable for the fixture material and the task; a cleaner that removes scale may not be a disinfectant. Keep the area ventilated, and do not combine products or apply one cleaner over another. If the urinal has a removable screen, deodorizer, or automatic flush sensor, follow its instructions rather than forcing or soaking it.

Step-by-Step

Secure and prepare the area. If other people could enter, place a wet-floor or cleaning sign and keep the area clear. Put on gloves and eye protection. Open a window or switch on ventilation where available. Remove loose items from around the urinal without touching waste or splashing.
Check the flush and fixture. Flush once if the urinal is working, then check for visible damage, a slow drain, or water pooling. If it is blocked or overflowing, do not keep flushing; follow the troubleshooting guidance below. Avoid dismantling plumbing parts or electronic components.
Remove loose debris safely. If there is a removable screen or deodorizer, take it out only if the product or fixture instructions permit it. Set it aside for cleaning or replacement as directed. Use a disposable towel or a dedicated tool to remove visible debris; do not reach into the drain by hand.
Apply cleaner as directed. Put the cleaner on the bowl surfaces, including under the rim and around the outlet, using the amount and application method on its label. Avoid spraying toward your face, the flush sensor, or electrical parts. Do not pour concentrated chemicals into the drain unless the label specifically allows it.
Allow the stated contact time. Leave the product on the surface for the time given on its label. This matters for both cleaning and disinfection. Do not let the product dry if its instructions say to keep the surface wet, and do not add a second product while it is working.
Scrub the bowl and outlet area. Use the urinal brush to scrub under the rim, the inner bowl, the waterline, and the visible drain opening. Work from higher surfaces down toward the outlet, using steady strokes that limit splashing. Do not use a metal tool or abrasive pad that could scratch the fixture.
Flush, rinse, and finish. Flush according to the fixture’s instructions. If the label calls for rinsing, rinse the treated surfaces as directed. Wipe the exterior, flush control, nearby splash areas, and handles with a suitable cloth and product, following label directions. Dispose of single-use materials, wash reusable tools as instructed, remove gloves safely, and wash your hands.

Common Mistakes

Mixing cleaners: Never mix bleach with toilet cleaner, descaler, ammonia, or any other product. Dangerous fumes can result. If products were accidentally mixed and fumes appear, leave the area, keep others out, and contact local emergency or poison-control services for guidance.
Rinsing too soon: A product may need a specific contact time to work. Read and follow its label rather than immediately scrubbing or flushing.
Using the wrong product: Strong acids, abrasive powders, and unsuitable disinfectants can damage finishes or parts. Check both the fixture guidance and product label.
Using one cloth everywhere: A cloth used inside the bowl should not be reused on the exterior or other surfaces. Use separate, clearly designated materials to avoid spreading contamination.
Forgetting touchpoints: The flush control, nearby wall, and surrounding floor can receive splashes. Clean these with a suitable product, without spraying directly into sensors or electrical fittings.
Ignoring a drainage problem: Repeated flushing can cause an overflow. Stop if water rises or drains slowly, and deal with the blockage before routine cleaning.

Tips

Keep a brush reserved for urinal cleaning and store it so it can dry without touching other tools or surfaces.
Clean from the least soiled areas toward the bowl and drain, and change cloths if they become visibly dirty.
For routine upkeep, use the product and schedule recommended for the fixture and the level of use. More chemical is not automatically more effective.
Use a product specifically intended to remove mineral scale if deposits remain, and follow its label. Some descalers are acidic and must never be mixed with bleach or other cleaners.
Do not block the drain with tablets, screens, or deodorizer products that are not designed for that urinal.
Keep cleaning products in their original, labeled containers and away from children and unauthorized users.

Troubleshooting

The urinal still smells after cleaning

Check the drain opening, underside of the rim, and nearby floor or wall for missed residue. Clean those surfaces with a suitable product and allow the required contact time. If the odor persists despite a clean bowl, the trap, drain, or ventilation may need attention from building maintenance or a plumber. Do not try to mask the smell by combining chemicals.

There are white or yellow deposits

These may be mineral scale or other buildup. Use a scale remover only if it is compatible with the fixture and follow its directions carefully. Do not scrape with metal or apply it over bleach residue. If the buildup does not lift, ask maintenance to inspect it rather than escalating to an unapproved chemical.

The urinal drains slowly or water rises

Stop flushing and keep the area clear to prevent an overflow. Do not put your hand into the drain or use a chemical drain opener unless the fixture manufacturer and product instructions explicitly permit it. Report a persistent blockage to maintenance or a plumber.

The flush does not work

Check only simple, user-accessible controls and follow the fixture instructions. Do not pry open a flush valve or sensor housing. If a flush does not occur or water keeps running, notify maintenance; avoid repeated activation that could waste water or cause splashing.

A cleaner splashes on you or causes strong fumes

Stop work and follow the product label’s first-aid directions. For fumes, leave the area and prevent others from entering; do not try to neutralize the product with another chemical. Seek help from the relevant emergency or poison-control service if exposure may be serious.

Frequently Asked Questions

How often should a urinal be cleaned?

Set a schedule based on how often it is used, visible soil, and the site’s cleaning requirements. High-use facilities generally need more frequent checks and cleaning than lightly used ones.

Can I use bleach to clean a urinal?

Only use bleach if the fixture manufacturer and product label allow it. Never mix bleach with acids, ammonia, toilet cleaner, or another cleaning product, and follow the label’s dilution and contact-time directions.

Should I flush before or after applying cleaner?

If the urinal is working, a preliminary flush can clear loose residue. Apply cleaner afterward, wait for its labeled contact time, scrub, and flush or rinse as directed.

Can I use the same brush for a toilet and a urinal?

It is better to keep separate, clearly identified brushes for each fixture. Clean and store each brush according to workplace procedures so it does not touch other tools or surfaces.

How do I clean a urinal with an automatic flush sensor?

Use the cleaner on a cloth or apply it carefully as the fixture instructions allow. Avoid soaking or spraying the sensor and electrical components. Do not remove covers unless the manufacturer’s instructions say to.

Can I leave a deodorizer screen in while cleaning?

Follow the screen and fixture instructions. If it is removable, take it out only as directed and clean or replace it as specified; do not force it or let it obstruct the drain.

Sources: Occupational Safety and Health Administration. Menus and buttons can differ slightly by version. Spotted something out of date? Tell us.