Patio Cleaning for Exposed Aggregate is one of the jobs we do most often in Harbor, OR. Typical jobs cost $150-$400, and you approve the price before we begin. With exposed aggregate, the right approach is moderate-pressure wash.
Method and pressure
Cleaning solution: A concrete pre-treatment and degreaser as needed.
Cleaning exposed aggregate safely
Exposed aggregate concrete has stones showing at the surface. Too much pressure can loosen stones at the edges, and the surface looks best when cleaned and resealed.
Avoid: High pressure at edges and cracks, which can pop out aggregate.
How often: Clean yearly; reseal every 2-3 years.
Signs you need patio cleaning for exposed aggregate
- Green or black growth between pavers or on shaded concrete
- Grease spots near the grill
- Stains from planters, leaves and furniture
- Weeds in the joints
- White chalky haze on pavers or stone
Where the grime comes from
- Shade and damp soil around the patio
- Cooking grease and food spills
- Rust from metal furniture and planters
- Efflorescence (salts) rising out of masonry
What you can do yourself
- Move planters now and then so they don't leave rings
- Clean grill grease quickly with dish soap and hot water
- Pull weeds from joints before they spread
- Sweep often so leaves don't stain
Not sure what you're looking at? The free stain identifier and safe pressure guide explain each stain and surface.
Why more pressure isn’t better
- Blowing joint sand out of pavers
- Etching or pitting soft stone like travertine and sandstone
- Acid cleaners on limestone and travertine
- Stripping an existing sealer unevenly
What happens on the day
- Check the patio material and any sealer
- Move furniture and protect nearby plants
- Pre-treat growth, grease and stains
- Clean with the right pressure and tools
- Rinse, re-sand joints if needed, and walk the patio with you
How much does patio cleaning for exposed aggregate cost?
What moves the price:
- Size: square footage of siding, roof or flatwork
- Condition: heavy growth, old stains and peeling finishes take longer
- Access: number of stories, roof pitch, slopes and how close we can park
- Add-ons: sealing, gutter brightening and other services done in the same trip
These are typical U.S. ranges, not a quote. You get an exact price before any work starts. For a quick estimate, try the pressure washing cost calculator.
Other services for exposed aggregate
- Pressure Washing for Exposed Aggregate
- Driveway Cleaning for Exposed Aggregate
- Sidewalk & Walkway Cleaning for Exposed Aggregate
- Pool Deck Cleaning for Exposed Aggregate
- Concrete Sealing for Exposed Aggregate
- Oil Stain Removal for Exposed Aggregate
Serving Harbor, OR and nearby towns
Moss and algae make Oregon driveways, walkways and patios slippery for much of the year. Cleaning with a surface cleaner and post-treating keeps them safer for longer.
Crews serve all of Harbor (ZIP code 97415), plus Brookings (0.8 mi), Crescent City, CA (20.8 mi), Bertsch-Oceanview, CA (21.5 mi) and Gold Beach (25.7 mi). Call (555) 010-0000 for a free quote in Harbor.
Patio Cleaning for Exposed Aggregate: frequently asked questions
How much does patio cleaning for exposed aggregate cost in Harbor, OR?
Patio Cleaning for Exposed Aggregate typically costs $150-$400 for a typical backyard patio, and usually takes 1-2 hours. The exact price depends on the size and condition, and you get it before any work starts. Call (555) 010-0000 for a free quote.
Do you use high pressure for patio cleaning for exposed aggregate?
For exposed aggregate: usually 1,500-2,500 PSI with a surface cleaner. What we avoid: high pressure at edges and cracks, which can pop out aggregate. We keep the pressure even and controlled, with the right tools for the surface.
Is patio cleaning for exposed aggregate safe for my plants and pets?
We pre-wet plants and lawns, keep cleaning solutions diluted to what the surface needs, and rinse landscaping again when we finish. Keep pets and children inside until surfaces are rinsed and dry.
How often should I schedule patio cleaning for exposed aggregate?
Clean yearly; reseal every 2-3 years. Shade, nearby trees, humidity and heavy traffic mean more frequent cleaning; sunny, dry spots can go longer. Our free cleaning frequency tool gives a recommendation for your climate.
What if it rains on the day?
Light rain doesn't stop most washing, but heavy rain, high wind, lightning and freezing temperatures do. If the weather isn't right, we reschedule at no charge. Our work is backed by a satisfaction guarantee.