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Composite deck cleaning for Grayslake homes

Grayslake has 1990s-and-newer subdivisions plus an older village core, and that shapes how we approach composite deck cleaning here. We see a lot of cedar privacy fences across the subdivisions off Route 120, and the work is planned around it.

Grayslake sits on Grays Lake, and waterfront wood weathers faster on the water-facing side than the house side. We check both and often give the exposed side a second coat.

Composite decks are the ones that get damaged most often by general pressure washing, because the surface looks tough. It is not. Capped composite has a thin outer layer and a narrow-tip wand will strip it in stripes. We use a soft-wash approach: cleaner, dwell, gentle agitation, low-pressure rinse. If your composite deck has black spots that will not come off with a hose, that is mildew in the surface and it needs the right cleaner, not more pressure.

How the job goes in Grayslake

  1. Identify the productCapped, uncapped or PVC, and which brand. It decides the cleaner and the pressure.
  2. Clear and protectFurniture, rugs and planters come off. Rugs left on composite are the most common cause of shadow marks.
  3. Apply cleanerA composite-safe cleaner with a sodium percarbonate base, or an oxalic-based one for tannin and rust stains.
  4. Agitate and rinseSoft brush on problem spots, then a low-pressure fan rinse under 1,500 PSI, wand kept well off the surface.

Other work we do in Grayslake

Homeowners here also ask us about Deck restoration in Grayslake, Fence staining in Grayslake and Pergola & gazebo staining in Grayslake. See everything on the Grayslake service area page, or read the full composite deck cleaning guide. We also cover nearby Hainesville, Round Lake Beach and Round Lake Park.

Get a number for Grayslake

Text a photo of your deck or fence and get a number back. Include your town and a rough size.

Text (224) 944-8652

What affects the price in Grayslake

  • Deck size and layout
  • Type of composite: uncapped first-generation boards hold more mildew than capped or PVC
  • How heavy the mildew or staining is
  • Rug shadows, grill grease and tannin stains that need spot treatment
  • Whether railings are composite, aluminum or wood

Details on the pricing page.

Grayslake composite deck cleaning FAQ

Can composite decks be pressure washed?

Only at low pressure with a wide tip. Manufacturers generally cap it around 1,500 PSI held a foot or more away. Higher than that, or a narrow tip, will scar the surface.

What are the black spots on my composite deck?

Almost always mildew growing in the surface texture, fed by pollen and moisture. A composite-safe cleaner removes it. Bleach alone will lighten it and leave it to come back.

How far in advance should I book composite deck cleaning in Grayslake?

Two to four weeks in spring and early fall, which are the busiest windows. Midsummer usually has more availability. Text photos and your town and we will give you a date with the quote.

Do you charge extra to come to Grayslake?

No. Grayslake is inside Lake County, and we cover the whole county from Libertyville with no trip charge.

Composite deck cleaning in Grayslake

Text a photo of the wood. Quotes usually come back the same day.

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