Answering the most common buyer question: which concrete floor cleaner is best for oil, grease, and dirt on outdoor and indoor concrete surfaces? This guide compares five well-rounded options and explains who each product suits best. Ideal buyers include homeowners cleaning driveways or garages, small business operators maintaining concrete floors, and DIY enthusiasts seeking safe, effective cleaners without harsh chemicals.
Summary at a glance:
- Simple Green Oxy Solve Concrete And Driveway Cleaner — best for tough oil and rust stains, peroxide-based lift.
- Simple Green Multi-Surface Floor Care — best for mixed indoor floors including concrete, with pleasant scent.
- Rust-Oleum Cleaner And Degreaser — best as a pre-coat prep cleaner for adhesion and general purpose degreasing.
- Gorilla Concrete Cleaner And Degreaser — best for heavy-duty, concentrated cleaning with dilution options.
- CHOMP! Concrete Oil Stain Remover — best for oil and petroleum-based stains on porous surfaces.
Simple Green Oxy Solve Concrete And Driveway Cleaner

Brand: Simple Green
Key features: Cleans driveways, walkways, patios and masonry; Eliminates tough oil stains, rust stains, grease, automotive fluids, tire marks, exhaust buildup and more; Uses peroxide power to lift grime without harsh chemicals.
Best for: Homeowners dealing with stubborn outdoor stains on concrete surfaces. The peroxide action targets embedded grime while avoiding harsh solvents. Might require multiple applications for deeply set stains.
Limitations: Being peroxide-based, this formula can fade very sensitive or naturally porous surfaces if overused in one spot; test a small area first.
Simple Green Multi-Surface Floor Care

Brand: Simple Green
Key features: Cleans hardwood, laminate, tile and vinyl floors; Leaves a fresh lemon-verbena scent; Restores shine to granite, marble, travertine, quartz and slate.
Best for: Interiors with mixed flooring types, including concrete areas that benefit from a light, non-residual cleaner. Not solely for concrete; ideal when floors include stone or polished surfaces to maintain shine.
Limitations: Scented formula may not be preferred in sensitive environments; not specialized for heavy oil or grease removal on bare concrete.
Rust-Oleum Cleaner And Degreaser

Brand: Rust-Oleum
Key features: Heavy-duty, multi-purpose cleaner and degreaser for residential and commercial use; Thoroughly cleans surfaces and removes contaminants; Use before coating concrete surfaces to promote adhesion of paints, stains and sealers; Environmentally safe, won’t harm grass or plants; covers 200 sq. ft. per gallon.
Best for: Pre-coat preparation and general degreasing on concrete and related surfaces. Choose this if painting, staining, or sealing is planned after cleaning. Better for larger outdoor areas than light spot cleaning.
Limitations: Not a specialized stain lift for deeply set oil; higher dilution may be necessary for mild soils.
Gorilla Concrete Cleaner And Degreaser

Brand: GORILLA
Key features: Heavy-duty concentrated formula; Cuts through tough dirt, grease, and oil stains quickly; Designed to lift embedded grime on driveways, garages, sidewalks, patios, and pavers; Dilute or use full strength (1:1 dilution for daily cleaning).
Best for: Surfaces with persistent oil or grease buildup that need a strong, scalable cleaning approach. Choose full-strength for stubborn stains, or dilute for routine maintenance. Not ideal for very delicate floors without testing.
Limitations: Concentrated formula requires careful handling; always test on a small area before broad use to avoid damage to vulnerable finishes.
CHOMP! Concrete Oil Stain Remover

Brand: CHOMP!
Key features: Deep penetrating formula to lift stains from porous flooring such as concrete and brick; Effective on oil and petroleum-based stains common on driveways and garage floors; Safe and simple to use, does not contain bleach or acid.
Best for: Porous concrete and brick surfaces where oil-based stains are stubborn. Choose this when traditional cleaners fail to lift stubborn petroleum stains. Limitation: requires time to dry and be brushed away for residue-free results.
Buying Guide: Concrete Floor Cleaner Essentials
- Stain type matters. Oil, grease, and automotive fluids require solvents or peroxide-based lifts; mineral or rust stains may respond to specialty cleaners or chelators.
- Surface compatibility. Interiors with polished stone or sealants benefit from pH-neutral or non-abrasive formulas; exterior concrete can tolerate stronger degreasers when used as directed.
- Concentration vs. convenience. Dilutable concentrates offer cost efficiency for large areas; ready-to-use formulas are quick for spot cleaning and small jobs.
- Safety and environment. Look for biodegradable formulas if runoff could reach lawns; test on a small area first to avoid discoloration or etching on sensitive finishes.
- Prepping and aftercare. Some products prepare surfaces for coatings by promoting adhesion; others restore shine on sealed floors without needing a rinse.
Frequently Asked Questions
- What cleaner is best for oil stains on a concrete driveway? For heavy oil stains, CHOMP! Concrete Oil Stain Remover or Gorilla Cleaner (full-strength) are strong choices; follow with a degreaser if residue remains.
- Can I use floor cleaners on outdoor concrete? Yes, but choose products formulated for exterior use and capable of lifting outdoor contaminants like oil and exhaust buildup without harming grass or plants.
- Should I rinse after applying a concrete cleaner? Many products require rinsing; some, like Zep Neutral, are designed to clean and restore shine with no rinsing needed. Always follow label directions.
- Is a scented cleaner better for indoor use? Scented cleaners can be pleasant for indoor spaces, but scent should not mask underlying chemical odors; select a product suitable for your indoor environment.
- Do I need to test a small area first? Yes. Test on a hidden or inconspicuous area to check for color change or surface damage, especially on polished stone or stained concrete.
- How do I choose between a concentrate and a ready-to-use cleaner? If you have a large area, concentrates save money per square foot; for quick spot cleaning, ready-to-use formulas save time.
