Deck Cleaning in Harrison Township
No residential wood works harder than the boards over a Harrison Township canal. The dock soaks, bakes in reflected sun and soaks again, the deck behind it lives in the same air, and both turn gray and soft on a faster clock than any inland deck. Cleaning them is the gentlest job we do.
On a canal lot, or a river lot near the S River Rd marina row, the dock is usually the oldest-looking wood on the property, and the deck between it and the house is not far behind. The cause is cycling. Waterfront wood soaks from spray, wake and humidity, dries hard in sun that reflects off the water, and soaks again, and each round opens the grain a little wider. Ultraviolet cooks the exposed fibers into a dead gray layer, algae settles into that layer because the boards never fully dry, and the soft spots are where the cycle has reached sound wood. Composite decking skips the rot but not the biology; over water it grows the same slick film.
Cleaning that wood is chemistry at rinse pressure. A wood-safe solution kills the algae and loosens the dead fiber, a brightener pass reopens the original color of the grain, and a low-pressure rinse carries it all off without furring the surface. The same process covers the seawall walk, the dock, the boat-well framing and the deck in one visit, and composite gets the same wash without the brightener. Decks begin at $199, with the rate between $1 and $2 per square foot depending on condition, and the dock is measured the same way. What comes out from under the gray is wood that is ready to protect.
Sealing is the step that interrupts the cycle, and cleaning is what makes it possible. Penetrating sealer slows water uptake so the swell-and-shrink rounds lose their force, but it only works on wood that is clean and dry, which on this shoreline means a summer stretch of consecutive dry days. The finish wears from the water side first, where nobody looks, so a waterfront deck runs a shorter sealing cycle than one on an inland street. Our guide to dock and lake-deck care covers the rhythm, and the crew is about 15 minutes from the Clinton Township shop when the dry window opens.
Gray Fiber Off, Sound Wood Left
We start by walking the boards, pressing the soft spots, and noting hardware that has bled rust and any plank that should be replaced rather than washed. Plants at the seawall bed are wet down. The wood-safe solution goes on and dwells while it kills the algae and lifts the dead fiber, then a brightener follows to bring the grain back to its original tone. The rinse stays at low pressure and works with the grain, never across it, so the surface comes out smooth instead of fuzzy. Runoff is kept on the lawn side. A deck and dock together usually take a morning, and both are dry enough to walk on by evening.
The Furring Spiral
The mistake that ruins waterfront wood is pressure. A rented machine held a few inches off a weathered board tears through the gray layer into sound fiber, raising a fuzz that holds water against the wood and speeds the rot it was meant to stop. Each season the board looks worse and gets blasted harder. The second mistake is sealing too soon: stain or sealer laid on damp wood traps the moisture underneath, clouds, and peels within a year, and dock boards over a canal are rarely dry enough on the day the can is opened.
Timing It Right
High summer is the window. Canal air keeps wood damp through spring and again by October, so June through August gives the best odds of the consecutive dry days a sealer needs after the wash. Many owners book the deck cleaning the same week the boat goes in, then seal in July. The Lake St. Clair Metropark side of the township, where the nature area adds shade, needs the longest dry stretch, and the open lake lots around Lakeside dry fastest in the wind.
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Deck Cleaning in Harrison Township: FAQs
Can you clean the dock as well as the deck?
Yes, and most canal jobs include both. The dock, the boat-well framing and the seawall walk get the same wood-safe chemistry at rinse pressure as the deck, priced the same way at $1 to $2 per square foot. Docks have been on our Harrison Township routes from the first season, so the crew knows which boards to press before the water goes on.
What does deck cleaning cost on a canal lot?
Between $1 and $2 per square foot, with the rate set by how much gray fiber and growth the boards carry rather than by the address. A dock adds its own square footage at the same rate. The written quote separates the deck, the dock and the seawall walk, so you can stage the work across two seasons if you prefer.
My composite deck is green and slippery. Same service?
Yes. Composite over water grows the same algae film as wood because the humidity is the same, and the film in the texture makes the boards dangerously slick. It washes with wood-safe chemistry at low pressure and skips the brightener and the sealer. Our note on getting a composite deck ready for summer covers what to check afterward.
Should I stain right after the wash?
Not the same day. Waterfront boards hold water in the grain long after the surface looks dry, and sealer applied over that moisture clouds and peels. Give the wood several consecutive dry days, check that a few drops of water soak in rather than bead, and then seal. On a canal dock that usually means waiting for a July or August stretch.
More in Harrison Township
Deeper reading: Docks, Lake Decks, and the Wet-Dry Cycle That Eats Them and Canal-Front Homes Age Differently. Here's the Pattern..
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