Driveway and patio cleaning treats the flat hard surfaces around a home, including poured concrete, pavers, brick and stamped concrete, for algae, rust, oil, salt residue and efflorescence. Rob runs each job himself from Woodstock, with no subcontractors, across McHenry County. Because every slab is different, he quotes after seeing a photo. Text (815) 451-0106 with a picture of the driveway or patio.
Flatwork takes the worst of the year. It holds standing water, takes the weight of cars, collects what drips from them and bears the brunt of de-icing salt from December through March. In summer it grows algae in shade, hosts weeds in the joints and takes grill grease and potting-soil stains. By the time people notice, the surface has turned gray or black in patches, and the usual reaction is to blast it. Sometimes that works. Sometimes it creates stripes, strips sand from the surface or empties the joints between pavers.
This page is about doing flatwork deliberately. It covers what stains each surface type, how Rob decides how to clean it, what cleaning can and cannot do about freeze-thaw damage, and how this service differs from the broader pressure washing page, which also covers fences, walls and other hard surfaces. If your problem is on the ground, you are in the right place.
How flatwork cleaning differs from general pressure washing
The pressure-washing page covers high-pressure water on hard surfaces in general, including steps, retaining walls, fences, and outdoor structures. Driveway and patio cleaning is the narrower subset, the horizontal surfaces you walk and drive on. Those surfaces are porous, they hold water, they have joints, and they are stained by a distinct set of things: tires, motor oil, salt, rust, algae, leaf tannin and mineral deposits.
Because the stains differ, so does the method. Rob pre-treats where it helps, chooses pressure for the surface instead of using one setting for everything, works in even passes to avoid lines, and rinses so loosened material leaves the slab rather than settling in the joints. If your job is mostly flatwork, ask for this service; if it includes fences, walls and a deck, a quote can combine them.
Road salt, rust and the winter stains concrete holds onto
De-icing salt is hard on concrete in two ways. It leaves a pale film and tire-track residue that can look like permanent graying, and it increases the number of freeze-thaw cycles at the surface by keeping meltwater moving. Fresh or heavily salted concrete can scale, losing a thin top layer in flakes. Cleaning removes the film but cannot put the surface back.
Orange and brown stains are another winter and spring story. They often come from rust: a steel planter, a grill leg, a lawn chair, a dripping spigot on well water or irrigation with iron in it. Ordinary washing may not touch them, and the wrong chemical can make them worse. Rob tells you what he sees from a photo and what he would try, and the White Powder, Rust Stains and Salt Damage on Concrete: What Is It and What Helps? guide explains the chemistry in plain language.
Oil, grease and the stain that reappears
Oil soaks into concrete in minutes. A fresh drip from a parked car can be lifted much more easily than a stain that has been baking for years. Old oil stains often respond to pre-treatment and agitation, then a thorough rinse, but may leave a ghost. A stain that has traveled deep into the slab can bleed back to the surface after cleaning, and some never fully disappear.
Rob sets that expectation before he starts. Grill grease on a patio, transmission fluid under a pickup and diesel drips behave differently, and he will tell you honestly which ones respond. For persistent stains, a repeated treatment may be worth it, or you may decide the remaining shadow is acceptable, which many homeowners do once the rest of the surface is clean.
Pavers, brick and the joints between them
Pavers are laid on a sand base with sand-filled joints, and brick flatwork is often similar. High-pressure water aimed into the joints can dig out the sand that locks the units together, leaving gaps where weeds root and edges shift. A paver patio that was clean and tight can look worse and move more after a careless wash.
Rob treats pavers with care, working at the surface with the right distance and angle and avoiding blasting joint sand. Where joints have already emptied, you may want them refilled after cleaning, which is a separate step and a decision worth discussing. Black or green growth on pavers usually sits in the shaded and damp corners, and clearing it back also improves traction. soft washing methods sometimes apply to delicate stone or older brick.
Efflorescence, algae and slick shade
A white, powdery haze on brick, block or concrete is usually efflorescence: water carries salts to the surface, evaporates, and leaves them behind. It is a sign that moisture is moving through the material. Cleaning can remove it for now, but if water keeps entering from above or behind, it can return.
Algae is a safety issue as much as an appearance one. A shaded north-side walk or a step beneath a tree can become slippery in spring and fall when it stays damp. Removing the film makes surfaces safer underfoot, though a damp spot can regrow. Trimming back overhanging growth, fixing a downspout that pours onto the walk and keeping the area swept all help. gutter cleaning often solves a runoff problem at the source.
What cleaning cannot repair: cracks, spalling and settling
Freeze-thaw damage is physical. Water enters hairline cracks, freezes, expands and breaks the surface. Cleaning does not close cracks, fix spalled patches, reseat sunken pavers or level a slab that has settled on clay soil. In fact, washing can make damage more obvious by removing the dirt that was masking it.
Rob will point out failures he sees. Large cracks may need patching by a concrete contractor, heaved pavers need to be relaid, and a driveway with deep scaling may be near replacement. A cleaning is still often worth doing on sound concrete, but he would rather be upfront than take a job where cleaning will not deliver what you hope. If you are considering sealing afterward, ask him about it or consult a flatwork specialist.
Best timing for driveways and patios in northern Illinois
Spring, once the last salt and sand have been swept and the ground has dried, is the most common time to wash flatwork, because it clears the winter. Early fall suits patios that have seen a summer of use and driveways that will face salt again soon. Hot, direct sun can make cleaning solutions dry too fast, and freezing temperatures leave water on the surface to turn to ice.
Rob will pick a window with workable temperatures and a clear forecast. If you are also staining a deck or washing siding, flatwork usually comes last because everything above it drains onto it, as described in house washing and deck wash & staining. The When Is the Best Time of Year to Clean Your Home's Exterior in Northern Illinois? guide helps you sort out the calendar.
Prep, quoting and getting a clean slab that stays clean longer
Driveway and patio cleaning is quoted from a photo, because slab size, surface type, stain type and access change the work. Send pictures in daylight, one wide shot and a couple of close-ups of the worst stains, and say what the stain came from if you know. Move vehicles, furniture, planters and grills, and let Rob know where sprinklers and drains are. Prep details are collected in How Do You Prepare Your Home for an Exterior Cleaning Visit?.
To keep a clean surface looking good, sweep leaves and debris, rinse off salt after winter, deal with drips quickly and keep planters off bare concrete if they leak rust. Combining flatwork with yard clean-up from lawn clean-up & trimming or a curb appeal package gives the front of the house a consistent look. The What Affects the Cost of Exterior Cleaning? guide explains cost factors.
How a job goes, start to finish
Review photos and surface type
Rob identifies whether you have poured concrete, pavers, brick or stamped concrete and what the stains most likely are.
Clear and protect
Vehicles and furniture are moved, nearby plants and siding are protected, and drains and joints are checked.
Pre-treat the problem spots
Oil, rust, algae and other stains get a targeted treatment before the main cleaning begins.
Clean in even passes
Pressure and distance are matched to the surface and worked in consistent passes to avoid stripes and protect paver joints.
Rinse and review
Loosened material is rinsed away from the slab, and Rob walks the surface with you, noting what came out, what remains and any cracks or damage.
Driveway & Patio Cleaning by town
Rob is based in Woodstock and drives to every town below. Each page covers what is different about the work there.
Getting a quote
Concrete, pavers and brick are tough, but they are not invincible, and the way they are cleaned decides whether they look better or just look different. If your driveway is streaked with salt and rust, or your patio has gone green in the shade, send a couple of clear photos to Rob at (815) 451-0106. He will tell you what he can lift, what he cannot, and how he would approach it.