Checklist

Preparing Your Building for a Commercial Window Cleaning Visit

Updated Jul 2026 · 6 min read

Photo by Wolfgang Weiser on Pexels

Why a little prep pays off

Booking a commercial window cleaning crew is the easy part. What happens in the hour before they arrive often decides whether the job runs on schedule or stalls halfway through. When access is blocked, when nobody told the tenants, or when the crew has to hunt for a water spigot, the work slows down and everyone's day gets more complicated.

A short prep routine keeps the crew moving and protects your property and the people inside it. Here is how facility managers and business owners can get a building ready, whether it is a single storefront or a multi-tenant office tower.

Clear the path outside

Most of the delay on a commercial job comes from access, not from the cleaning itself. Walk the exterior a day ahead and look at what sits between the crew and the glass.

Move parked vehicles away from the facade where ladders or a water-fed pole will be set up. Reposition planters, sandwich boards, and outdoor seating that crowd a storefront. If landscaping has grown up against the lower windows, ask your grounds team to trim it back before the visit rather than during it.

For a building with a loading area or a gated lot, confirm the crew knows where to park and how to get in. A locked side gate with no one holding a key is one of the most common reasons a scheduled clean gets pushed.

Sort out water and power

Many exterior methods rely on a water source, and some interior work uses powered equipment. Point the crew to a working outdoor spigot and let them know if it runs on a timer or a shutoff valve. If your building filters or softens its water, mention it, because that affects how the crew rinses the glass.

Where the team needs an electrical outlet for interior poles or lifts, check that the nearest one is live and reachable. These are small details, but sorting them out in advance saves the crew from knocking on office doors mid-job.

Prepare the interior workspaces

Inside, the glass that gets skipped is usually the glass someone's desk is pushed against. Ask staff to clear a narrow working space along the windows the morning of the visit. Papers, electronics, and anything fragile should move back from the sill so a stray drip or a shifted blind does not cause a problem.

Blinds and shades are worth a quick word too. Raised or drawn-back coverings let the crew reach the whole pane and reduce the chance of a cord getting tangled. If certain offices hold sensitive equipment or confidential material, flag those rooms so the crew can coordinate entry or skip them until someone is present.

Give tenants and staff advance notice

Nothing derails a window visit faster than a startled employee who did not know to expect a person on a lift outside a third-floor window. Send a short notice to tenants and staff a few days ahead, then a reminder the day before.

Tell people the date, the rough hours, and which sides of the building will be worked on. Mention that they may see workers on ladders, lifts, or suspended platforms, and ask them to keep windows closed and blinds accessible. For customer-facing spaces like a lobby or a retail floor, decide whether the interior work should happen before opening or after closing so foot traffic and the crew are not competing for the same space.

Point out problem glass ahead of time

You know your building better than a crew seeing it for the first time. Walk them through anything unusual before they start.

Call out windows with tinted or coated glass, older panes that stick or rattle, and any spots where the seal has already failed and moisture sits between layers. If a section of glass is scratched, etched, or stained from long-term hard water exposure, say so up front. A good crew will adjust its approach or tell you honestly when a stain sits beyond what routine cleaning can lift, which is a far better conversation to have before the work than after.

For storefronts, mention any signage, decals, or security film on the glass so the crew cleans around it correctly instead of guessing.

Coordinate access for high-rise and rooftop work

Buildings that need rope access or a suspended platform carry more moving parts. Make sure the crew's supervisor can reach the roof anchors, tie-off points, and any rigging equipment well before the scheduled start. If access requires a building engineer to unlock a mechanical room or a roof hatch, put that person on the calendar for the same window.

Check that your records for the anchor points and davits are current and available for the crew's own safety checks. Reputable high-rise cleaners will want to verify the setup themselves, and having the paperwork ready keeps that step short. If your building has rules about when exterior high-work can happen, share them early so the schedule accounts for them.

Do a walkthrough when the crew finishes

Before the team packs up, walk the building with the supervisor while the ladders are still out. Check the glass at eye level and from a distance, since some spots and streaks only show against certain light. Look at the sills and frames for standing water, and glance at the floor inside for any drips that need wiping.

Raise anything you notice on the spot. A crew that is still on site can touch up a missed pane in minutes, whereas a callback later costs everyone another appointment. This final pass also gives you a chance to note any glass that needs future attention, like a pane with a failing seal or a persistent stain worth flagging for a specialist.

A quick prep checklist

Keep this list near your booking so the same steps happen every visit:

A prepared building lets the crew focus on the glass instead of the obstacles, and it is the surest way to get clean, streak-free windows without the scheduling headaches.