School & Campus Exterior Cleaning in Fresno & the Central Valley

Every surface on a campus gets its own method, and treating the whole site as one pressure washing job is how districts end up with torn rubber and a quad that still looks dirty.

Walkways and quads are surface cleaner work, run with hot water wherever we can, because heat is what releases the traffic film that cold water only wets. Gum is separate. A surface cleaner driven over gum presses it deeper into the concrete pores and makes the next removal harder, so gum comes off with a focused hot water or steam tip worked one piece at a time. That is slow, so it is priced as its own line instead of buried in the square footage. A quad with four hundred gum spots is a different job than a quad with forty.

Lunch shelters and the cafeteria pad are grease, not dirt. The concrete by the kitchen door and around the grease bin holds fryer oil, spilled milk and food waste, and it needs a degreaser with real dwell time plus hot water to break it. Cold water on a grease pad spreads it and leaves the slip hazard exactly where it was, so those areas also get wash water captured rather than allowed to run toward a storm drain.

Playground surfacing is where damage happens. Poured in place rubber and bonded rubber mulch will tear under a narrow tip and will not survive a surface cleaner at working pressure. Those get low pressure and a cleaner that rinses out completely. Some rubber surfaces are past cleaning and need a repair contractor instead, and we will say so rather than wash a surface into a warranty claim.

Bleachers and stadium concrete are volume work with a drainage question attached. Aluminum planks clean up well with a low pressure detergent and rinse, and the underside of the stands is usually worse than the seats because nobody ever looks at it. The concrete under and around the stands holds years of spilled soda and ground in dirt, and because that area is graded to drain toward the field, the wash plan has to account for where the water ends up.

Portable classrooms get soft washed, not pressure washed. The siding, the skirting and the ramp are light gauge, and the seams around windows and the wall mounted HVAC unit will take water in if somebody points a wand at them. Low pressure, a proper surfactant, a full rinse.

Covered walkways are the bird problem. Pigeons and swallows nest in the trusses and purlins, the droppings pile onto the concrete, the lockers and the benches below, and cleaning is only half the fix. Droppings get removed with a disinfectant rinse and containment, and then the roost has to be closed with netting or exclusion. If the roosting spots stay open, the concrete is white again within a season and you are buying the same clean every year.

Book summer campus work in winter or early spring. By April the good windows are gone, and the districts that get clean results are the ones that were on a calendar before the school year ended.

A traditional calendar gives you roughly eight weeks, and they are not eight usable weeks. Summer school occupies part of the campus, custodial staff is stripping and waxing floors, and the trades that have to go first, roofing, paving and painting, will push everything behind them. Exterior cleaning sequences around those. Washing a walkway before the painters finish the building above it is money spent twice.

Year round and multi-track calendars change the approach entirely. There is no eight week window, there are intersessions of two or three weeks, so the campus gets planned in pieces across the year. That works, and in some ways it works better, because you are cleaning smaller areas more often instead of trying to reset a whole site at once.

Winter and spring breaks are real windows for the mid year items, entry concrete, shelter pads and covered walkways. During the school year, work happens after dismissal, on weekends, or inside an area that can be fenced off from students. Anything involving a wand, a hose run or a wet surface has to be closed off, and the barricading gets planned with your site staff rather than improvised on the morning.

Clearances go before scheduling, not after. Whatever your district requires for vendors on a campus, background checks, fingerprinting, badges, sign in at the office, we complete it ahead of the first work day. Crews stay inside the designated work zone, use the restroom you assign and do not interact with students. That should be the expectation of anyone your district lets onto a site.

Summer fills up early, and the districts that end up with clean campuses are the ones that scheduled in winter. Call or text (559) 975-8124 to walk your sites and get a quote itemized for your bid package, or send the form and we will get back to you fast.

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