Newark Driveway Power Wash · The Gear That Does the Work

Pressure alone does not clean a driveway. Pressure plus the right flow rate, the right tip, the right detergent, and the right tool head — that cleans a driveway. Here is the rig we bring to every job, why each piece earns its spot, and what a typical Newark wash costs at our flat $50/hr per person rate.

Why a 3,000 PSI gas washer beats every electric

Box-store electric washers cap around 1,800 PSI and 1.4 gallons per minute. That is fine for a patio chair. A driveway has algae, oil drips, tire rubber, and ground-in dirt that needs both impact and rinse volume. Our gas unit runs 3,000 PSI at 4.0 GPM — that is more than double the cleaning units (PSI × GPM) of any electric. Translation: a job that takes a homeowner four hours takes us forty minutes, and the result is uniformly clean instead of streaky.

Gas matters for one more reason: hot start. A cold engine pushing cold water on cold concrete leaves stripes. We let the unit warm up two minutes before the first trigger pull — every time.

The 16-inch surface cleaner does 80% of the work

If you have ever seen a driveway with wand-shaped stripes — light, dark, light, dark — that is a wand-only job. A surface cleaner is a circular shroud with two spinning nozzles inside. Drag it across the surface and it cleans an even 16-inch swath at a time, no streaks. We bring a stainless model rated to our 4.0 GPM flow so it spins at full speed.

The wand still has a job: edges, expansion joints, the strip between the driveway and the garage door, any pavers around the apron. But the surface cleaner is what makes the field look like a single piece of new concrete instead of a checkerboard.

Detergent and pre-treat — the part most people skip

Hot water is best, but a sodium-hypochlorite-based driveway detergent gets you 90% of the way there with cold water. We pre-treat with a downstream injector, dwell five to ten minutes (longer in shade, shorter in full sun so it does not dry), then rinse with the surface cleaner. Oil drips get a separate degreaser — we use a citrus-based one so we are not running petroleum solvents into a storm drain.

• General driveway: 3% sodium hypochlorite + surfactant, 5–10 minute dwell.
• Oil & tire-mark spots: citrus degreaser, scrub with stiff brush, rinse, re-treat if needed.
• Black streaks (algae): hypochlorite at 4–5%, longer dwell, rinse cool.
• Rust: oxalic acid spot treatment after the main wash, never mixed with bleach.

Tips, tip selection, and what we never do

Tips are the small color-coded nozzles at the end of the wand. We swap based on surface and distance. The 25° (green) tip is our default for concrete from 18 inches away. The 0° (red) tip — the laser — never touches a driveway: it gouges concrete and chips sealer. The 40° (white) tip is for soft surfaces like Trex or vinyl siding. The black soap tip is what feeds detergent through the downstream injector.

If your driveway has been "power washed" by someone running a 25° tip an inch from the surface, you have lines. We can fix that — but it takes a careful even pass and a touch-up acid wash to blend the bands. Two-hour fix instead of forty-minute prevention.

Gutters, downspouts, and the storm drain question

Where does the water go? On a sloped driveway with a curb cut, it heads straight to the storm drain. That is fine for plain water and citrus degreaser. We block the drain with a curb sock during heavier chemical work and pump the slurry into a holding tank we empty at the local transfer station — Essex County rules. Ask any "power washing guy" if they know what a curb sock is. The answer tells you a lot. The EPA stormwater rules are not a casual-labor optional.

What a typical Newark driveway costs

A standard two-car Newark driveway — about 600 square feet — is usually a one-hour job for one crew member at $50/hr. Pre-treat, surface cleaner pass, edge wand pass, oil-spot touch-up, rinse. Bigger or worse-shape driveways run 1.5–2 hours. We quote on the spot and you see the result before you pay. Book a slot in the online calendar or send the photos through the contact form for a custom quote.

The short list

• 3,000 PSI / 4.0 GPM gas pressure washer
• 16-inch stainless surface cleaner
• Color-coded tip set — 25° default, 40° for soft surfaces, soap tip
• Downstream chemical injector + sodium hypochlorite + surfactant
• Citrus degreaser for oil + tire marks
• Curb sock + holding tank for runoff control
• One careful operator who knows when to drop the wand and grab the surface cleaner

That last one is the part you cannot buy. Book a Newark crew and see the difference. Same flat rate everywhere we go — see the math in our pricing rule.