Outdoor cleaning often hinges on choosing the right concrete cleaner and power washer attachments. This guide highlights five top-rated products that pair well with power washers to tackle driveways, patios, sidewalks, and other flat surfaces. Each selection emphasizes effectiveness, durability, and value for American homeowners seeking cleaner, brighter exteriors.
| Product | Brand | Use Case |
|---|---|---|
| Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner – 1 Gal | Simple Green | Broad outdoor cleaning, lifts mold, mildew, moss, algae; safe on concrete and masonry |
| Westinghouse PWSC12 12″ Pressure Washer Surface Cleaner Attachment | Westinghouse | Flat-surface cleaning for driveways, sidewalks, decks |
| 14″ Surface Cleaner with 4 Wheels – Stainless Steel | LidoDola | Large-area, fast sweeping on concrete, patios, driveways |
| MEKOH Pressure Washer Surface Cleaner 20″ | MEKOH | High-efficiency, wide path cleaning with high-pressure compatibility |
| Kärcher Multi-Purpose Pressure Washer Detergent | Karcher | Concentrated cleaner for concrete, driveways, patios and more |
Choosing the right combination of cleaner and attachment can dramatically reduce time spent on exterior cleaning while improving results. The products below are organized to help you compare capabilities, durability, and application suitability for concrete surfaces and related masonry.
Simple Green Oxy Solve Total Outdoor Cleaner

Simple Green Oxy Solve Total Outdoor offers a peroxide-based cleaning action designed to lift tough grime on wood, composite surfaces, vinyl, metal, fabric, plastic, wicker, and masonry like concrete, stone, brick, and asphalt. The formula targets dirt, mold, mildew, moss, and algae, using peroxide to lift buildup without harsh chemicals. It can help prepare concrete surfaces for sealing or repainting by removing oil stains and surface contaminants. This product is versatile for general exterior cleaning projects and can be used with most pressure washers.
LidoDola 14″ Pressure Washer Surface Cleaner

The LidoDola surface cleaner covers wide areas with a 14″ cleaning path, delivering professional results on driveways, patios, sidewalks, and decks. Its stainless-steel construction and heavy-duty bearing contribute to durability, while the weighted base minimizes tipping. The splash-free skirt reduces overspray, and the dual spinning nozzles expedite cleaning with uniform, streak-free results. Four universal wheels enable smooth, stable movement across large surfaces, reducing fatigue during extended cleaning sessions.
Westinghouse PWSC12 12″ Surface Cleaner Attachment

This 12-inch surface cleaner is designed to pair with most gas and electric pressure washers, delivering up to 2500 PSI for efficient cleaning of flat surfaces like decks, patios, and driveways. It features a 1/4″ quick-connect fitting for easy attachment changes and an intuitive design that supports both DIY homeowners and professionals. The cleaner helps reduce streaks and uneven cleaning on large concrete areas, making it a solid choice for frequent outdoor maintenance tasks.
MEKOH 20″ Pressure Washer Surface Cleaner

The MEKOH 20″ surface cleaner is designed for high cleaning efficiency with two high-pressure water jets for non-marking cleaning. Its larger 20″ path covers more surface area quickly, reducing cleaning time on driveways and patios. The two large spinning nozzles handle stubborn stains, while changeable nozzles allow adjustments between powerful washing and gentler patterns. The durable construction uses plans for compatibility with 2000–4000+ PSI washers and features a semi-sealed bearing for reliability under heavy use.
Kärcher Multi-Purpose Pressure Washer Detergent

Kärcher’s multi-purpose detergent is formulated to work with most consumer gas and electric pressure washers. It’s designed for efficient cleaning of concrete, pavement, driveways, patios, decks, sidewalks, RVs, cars, boats, and fencing. The highly concentrated formula enables up to 20 gallons of cleaner from a single gallon, delivering cost-effective cleaning for large exterior projects. Its compatibility and efficiency make it a practical choice for combining with power washing to remove heavy grime from hard surfaces.
Buying Guide: Key Purchase Considerations
- Surface compatibility: Ensure cleaners are suitable for concrete and masonry without damaging surfaces or coatings. Peroxide-based formulas are effective for organic stains but choose products labeled for outdoor masonry.
- Cleaning path and durability: Wide-path surface cleaners reduce time but require compatible PSI ratings. Durable stainless steel construction and sealed bearings improve longevity on rough outdoor use.
- PSI and flow compatibility: Confirm your power washer’s PSI and GPM rating match the cleaner or attachment’s requirements. Higher PSI and large-diameter nozzles speed up flat-surface cleaning but need proper control.
- Overspray control: Look for splash skirts and weighted bases to minimize overspray, especially near landscaping, driveways, and buildings.
- Maintenance and compatibility: Some detergents are compatible with multiple brands; others work best with their own line. Check quick-connect fittings and ease of replacement parts when choosing.
- Environmental and safety considerations: Choose non-corrosive, low-toxicity formulas when possible. Follow manufacturer instructions for safe use and rinsing to protect surrounding vegetation.
- Cost efficiency: Consider dilution options for concentrated detergents and the expected coverage (gallons per bottle) to estimate ongoing costs for large surfaces.
Overall, selecting the right combination of cleaner and surface cleaner attachment improves cleaning speed and results on concrete-driven exterior projects. For most homes, a wide-path cleaner paired with a peroxide-based or non-corrosive concrete cleaner provides effective stain removal without compromising surfaces.