
Oil Leaks and Fluid Stains
We clean up oil leaks, oil spills and vehicle fluid stains. Heavy oil stains need extra passes and cleaning products, so tell us about them when you ask for a quote.
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Parking lots and garages collect dirt that sweeping does not remove. Left too long, stains can discolour a surface for good. The garage photos on this page are from one of our own jobs.
How we wash depends on the surface and on what has to come off. In an underground garage we use hot or cold water. We choose the one that suits the surface, so we do not damage it.
For grease, we typically use hot water and a degreaser. On some jobs, or if you ask for one, we use a surface cleaner. It is a round tool for flat floors.
Our crews use commercial-grade pressure washers. Before we start, we check any landscaping and the drainage nearby.
Commercial parking garage cleaning is part of our commercial pressure washing in Toronto. We work with property managers, facility managers, retail plazas and industrial sites.
For other surfaces, see our main page on pressure washing in Toronto.

We inspect the lot or garage. Then we plan the safest way to clean it.
Your quote lists each item. It is based on the area, the surfaces and the work needed.
Our trained crew arrives on time and washes the surface.
When the work is done, we walk the lot or garage with you.
Parking lot cleaning can be priced per parking spot or per square foot. The price depends on the surface, on what is on it and on how detailed you want the cleaning. Your quote is free.
Cars have to be moved before we wash. If some are left, we clean around them and make sure we do not get too close.
If you want, we can vacuum up the wastewater and take it off the property.
After the wash, we can seal the concrete. A sealer helps keep water, oil and road salt out of the surface. That helps prevent freeze-thaw cracking in winter.
We take one-time jobs. We also set up seasonal or regular cleaning plans to suit your property.
Can’t find your question below? Call us at 1-647-224-2064.
Yes. We can work overnight, early in the morning or on weekends. We can plan visits around your business hours to keep disruption low.
Parking garages usually need a deep clean once or twice a year. The right schedule depends on the surface, the traffic and how fast dirt builds up.
Yes. Power washing is another name for pressure washing. It uses high-pressure water and suits hard surfaces, such as the concrete in a parking garage.
Yes. We clean underground garages and parking lots. Tell us about yours and we will send you a free quote.
Outwash carries $5 million in liability insurance and WSIB coverage. All staff hold Working at Heights certification.
We have been cleaning exteriors for over 15 years.
Our crews are trained, uniformed, in-house staff. That keeps quality and results consistent.

We wash commercial properties in these areas. Each link opens our window cleaning page for that area.
Need more than the parking area cleaned? We also pressure wash building walls and walkways, and we clean commercial windows. One cleaning plan can cover them all.
Tell us about your parking lot or garage and we’ll send you a free quote. Prefer to talk? Call us at 1-647-224-2064.