Mon-Fri: 7AM-7PM, Sat: 8AM-5PM Licensed & Insured [email protected] Serving Rexburg, ID

Exterior Mold & Mildew Removal for Composite Decking in Rexburg, ID

Low-pressure wash for composite decking. Killing and removing mold, mildew and algae from siding, decks, walkways and fences, with treatment that slows regrowth. Typical cost $250-$700.

Grime, mildew and stains build up a little at a time until one day the outside of your property looks years older. Exterior Mold & Mildew Removal for Composite Decking in Rexburg, ID brings it back, usually in a single visit. With composite decking, the right approach is low-pressure wash.

Method and pressure

Low-pressure washCleaning method
Low pressure, often under 1,500 PSI with a wide fan tip, held well back; check your decking brand's care guidePressure

Cleaning solution: A composite deck cleaner recommended by the decking maker.

Caring for composite decking

Composite decking doesn't need staining, but it does grow mold and mildew, especially in shade and between boards. Most manufacturers recommend gentle cleaning, and some limit the pressure that can be used without affecting the warranty.

Avoid: High pressure and narrow tips, which can scar the surface and may void the warranty.

How often: Every year, more often in shade.

Is it time for exterior mold & mildew removal for composite decking?

  • Black, green or gray spots and film
  • Slippery walkways and decks
  • Musty smell near shaded walls
  • Growth that returns soon after rinsing

Why it gets dirty

  • Shade, humidity and poor air flow
  • Organic debris and pollen
  • Surfaces that stay damp after rain or sprinklers

Easy upkeep between cleanings

  • Improve sun and air flow by trimming plants
  • Keep gutters and sprinklers from soaking walls
  • Clean small areas with an outdoor mildew cleaner, following the label

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

  • Blasting growth off without killing it, so it grows back fast
  • Mixing cleaning chemicals, which can release toxic gas
  • Damaging plants with runoff

How we handle exterior mold & mildew removal for composite decking

  1. Identify surfaces and growth
  2. Protect plants and fixtures
  3. Apply a solution that kills the growth
  4. Rinse at low pressure
  5. Post-treat where helpful to slow regrowth

This service is for outdoor surfaces. Mold inside the home, in attics or in wall cavities needs a mold remediation specialist, not a pressure washing company.

Typical exterior mold & mildew removal for composite decking prices

$250-$700Typical range for typical exterior growth on a home
2-4 hoursTypical time on site
Every 1-2 years in humid or shaded areasRecommended 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 composite decking

Exterior Mold & Mildew Removal for Composite Decking in Rexburg, ID

In Idaho, strong sun fades siding and paint, and winter grime builds up along the bottom of walls. A gentle spring wash removes it without stripping a finish that the sun has already weakened.

We provide exterior mold & mildew removal for composite decking across Rexburg (ZIP codes 83440, 83441 and 83460) and nearby towns including Saint Anthony (11.1 mi), Rigby (12.3 mi), Iona (21.9 mi) and Lincoln (23.3 mi). Call (555) 010-0000 for a free quote in Rexburg.

Exterior Mold & Mildew Removal for Composite Decking: frequently asked questions

How much does exterior mold & mildew removal for composite decking cost in Rexburg, ID?

Exterior Mold & Mildew Removal for Composite Decking typically costs $250-$700 for typical exterior growth on a home, and usually takes 2-4 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 exterior mold & mildew removal for composite decking?

For composite decking: low pressure, often under 1,500 PSI with a wide fan tip, held well back; check your decking brand's care guide. What we avoid: high pressure and narrow tips, which can scar the surface and may void the warranty. The cleaning solution does most of the work, followed by a gentle rinse.

Is exterior mold & mildew removal for composite decking 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 exterior mold & mildew removal for composite decking?

Every year, more often in shade. 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.

More services

Popular Exterior Cleaning Services in Rexburg, ID

Roof Cleaning for Metal Roofs

Soft wash. Painted metal roofs collect dirt, mildew and oxidation chalk.

Typical $400-$1,000

Graffiti Removal

Removing spray paint and marker from brick, concrete, stucco and stone, using removers matched to the surface.

Typical $200-$800

Driveway Cleaning for Exposed Aggregate

Moderate-pressure wash. Exposed aggregate concrete has stones showing at the surface.

Typical $150-$400

Oil Stain Removal for Asphalt

Low-to-moderate pressure wash. Asphalt is softer than concrete and is held together by its binder, so it is washed at lower pressure.

Typical $100-$300

Pre-Paint Washing for Aluminum Siding

Soft wash. Older aluminum siding often has a chalky, oxidized finish.

Typical $250-$600

Patio Cleaning for Pavers

Pressure wash with a surface cleaner. Cleaning concrete and brick pavers removes weeds, moss and stains, but some joint sand washes out with them.

Typical $150-$400

Pressure Washing for Flagstone

Low-to-moderate pressure wash. Flagstone covers several stones, including sandstone, slate, bluestone and limestone, and they react differently to pressure and chemicals.

Typical $150-$600

Sidewalk & Walkway Cleaning for Flagstone

Low-to-moderate pressure wash. Flagstone covers several stones, including sandstone, slate, bluestone and limestone, and they react differently to pressure and chemicals.

Typical $100-$250

Dumpster Pad Cleaning

Degreasing and sanitizing dumpster pads and enclosures to cut odors, pests and slip hazards.

Typical $100-$300

Pressure Washing for Travertine

Low-pressure wash. Travertine is a natural limestone popular around pools.

Typical $150-$600

Soft Washing for Brick

Low-pressure wash. Brick is tough, but the mortar joints are softer than the brick itself, and older soft-fired brick can pit.

Typical $300-$800

House Washing for Stone & Stone Veneer

Low-pressure wash. Natural stone and manufactured stone veneer vary a lot.

Typical $300-$700

Ready for a cleaner home or business?

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

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