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Pre-Paint Washing for Aluminum Siding in Your Area

Soft wash for aluminum siding. Washing siding and trim before painting or staining so new paint bonds to a clean surface. Typical cost $250-$600.

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From the free quote to the final rinse, pre-paint washing for aluminum siding in your area follows a simple process: inspect, protect, clean, rinse and check. On aluminum siding, the method we use is soft wash.

How we clean it

Soft washCleaning method
Soft wash, typically under 500 PSIPressure

Cleaning solution: A gentle detergent solution; strong cleaners can dull the finish further.

Cleaning aluminum siding safely

Older aluminum siding often has a chalky, oxidized finish. Washing removes dirt and mildew but also removes loose chalk, which can make faded panels look patchy. If the finish is badly oxidized, washing is usually the prep step before repainting.

Avoid: High pressure, which dents thin panels and strips chalky paint unevenly.

How often: Every 1-2 years.

When to book pre-paint washing for aluminum siding

  • You're about to paint or stain the house
  • Chalky residue comes off on your hand
  • Mildew or dirt under the old paint

What causes the dirt and stains

  • Paint chalking as it ages
  • Mildew that will grow through new paint if not killed
  • Dirt that weakens adhesion

Safe steps for homeowners

  • Ask your painter what prep they need
  • Allow siding to dry for the time the paint maker recommends before painting

Not sure what you're looking at? The free stain identifier and safe pressure guide explain each stain and surface.

What can go wrong with DIY pressure washing

  • Painting over mildew, which bleeds through
  • Too much pressure that damages wood or drives water into the wall
  • Painting before the wood is dry

How we handle pre-paint washing for aluminum siding

  1. Coordinate with your painter
  2. Protect plants and fixtures
  3. Kill mildew and wash the surface
  4. Remove loose chalk and dirt
  5. Leave the house to dry before painting

How much does pre-paint washing for aluminum siding cost?

$250-$600Typical range for a typical home exterior
2-4 hours plus dry timeTypical time on site
Before every exterior paint jobRecommended frequency

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 aluminum siding

Pre-Paint Washing for Aluminum Siding in your area

We provide pre-paint washing for aluminum siding across all 50 states, Washington, DC and Puerto Rico. Pick your state to see local details:

Pre-Paint Washing for Aluminum Siding: frequently asked questions

How much does pre-paint washing for aluminum siding cost?

Pre-Paint Washing for Aluminum Siding typically costs $250-$600 for a typical home exterior, and usually takes 2-4 hours plus dry time. 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 pre-paint washing for aluminum siding?

For aluminum siding: soft wash, typically under 500 PSI. What we avoid: high pressure, which dents thin panels and strips chalky paint unevenly. The cleaning solution does most of the work, followed by a gentle rinse.

Is pre-paint washing for aluminum siding 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 pre-paint washing for aluminum siding?

Every 1-2 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.

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Ready for a cleaner home or business?

Get a free pressure washing quote near you. Tell us what needs cleaning and we'll give you a price and the next available date.

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