Soft Washing in Center Line
Stand in a Center Line side yard and look up. The wall facing the neighbor's house sits in shade from midmorning on, the mature street trees on the older blocks add more, and brick that never dries grows algae every year. Soft washing kills that growth at its root instead of shaving it off.
Algae needs a damp surface and shade, and the close-set lots give it both. One house shades the next one's side wall for most of the day, the north face gets no direct sun from October to March, and on the prewar and 1940s streets the tree canopy covers what the neighbor's roofline misses. Brick and block soak up rain and dew and release it over days, so the wall is wet long after the rain has stopped. The result is a green band that starts at the foundation and climbs a little higher every season. By the third summer it reaches the window sills, and the mortar under it stays dark and soft.
Soft washing is the method built for that wall. A cleaning solution goes on at low pressure, dwells for the minutes it takes to kill algae, mildew and lichen down to the root, and is rinsed at garden-hose pressure. Nothing touches the mortar at a force it cannot take, which matters on joints struck seventy years ago. The same wash lifts the traffic film from Van Dyke Ave and 10 Mile Rd on the street face, so the side wall and the front finish the same color. On close-set lots the crew works the side yard from your side of the line and rinses the neighbor's wall at the end, so nothing dries on it.
Because the growth is dead rather than sheared, a shaded wall stays clean for two to three years and a sunny one longer. Rinsing alone, or a pressure wand, leaves the root in the brick texture and the green returns by the following summer. Soft washing prices from $349, the same schedule as a house wash, and it covers brick, aluminum trim, and the painted wood on prewar porches. The drive is about 25 minutes from our Clinton Township shop with no travel fee, and the written quote is back in 24 hours.
Dwell Time Does the Work
The crew wets every plant along the side yard, on both sides of the lot line, before the first drop of solution goes on. Solution is pumped on from ground level, starting at the bottom of the wall so it does not run in streaks down dry brick, and it sits for ten to fifteen minutes while the biology dies. The rinse follows from the top down at hose pressure. Trim and painted wood get a milder mix, and the crew checks the neighbor's side wall and windows at the end and rinses anything that landed there. A ranch takes about two hours.
Why the Green Is Back by August
A hose, or a rental pressure washer, shears off the visible algae and leaves the root in the pores of the brick, and by August the wall is green again. The high-pressure version also cuts mortar and drives water into the block, and a homeowner mix of straight bleach with no surfactant runs off before it can kill anything, then burns the hostas in the side yard. On a close-set lot the drift from a wand lands on the neighbor's siding. Dwell time and low pressure fix all of it.
Timing It Right
Any frost-free month, with one rule for brick: a dry day, and a dry day after, so the wall gives back what it absorbed before a cold night. Algae shows most in April when the winter damp has fed it, so spring is the busiest booking window, and September is the second, when owners want the side wall clean before the leaves come down and hold moisture against it.
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Soft Washing in Center Line: FAQs
What is the difference between soft washing and your house washing?
The chemistry and the target. Soft washing is a stronger kill for a wall that has real growth on it, algae, mildew or lichen, and it is what a shaded side wall in Center Line usually needs. House washing is the lighter general wash for film and dust. Both run at hose pressure and start at $349, and the walkaround decides which your walls call for.
Is the solution safe for the shrubs in my side yard?
Yes, with the steps we follow every time. Plants on both sides of the lot line are soaked with clean water before we start, the solution is rinsed off the wall and out of the beds after it dwells, and the mix is diluted for the surface, not poured at strength. Wet foliage does not take up the solution the way dry foliage would.
Why is only one side of my house green?
Because only that side stays damp. The wall facing your neighbor's house loses the sun by midmorning, the north face gets none in winter, and mature street trees shade the rest. Algae grows wherever the brick is wet for hours at a stretch, so it picks the shaded wall and ignores the sunny one. The shade is permanent, so the kill has to reach the root.
How often does a Center Line brick house need soft washing?
Every two to three years on the shaded side wall and longer on the walls that get sun. Houses under the older canopy and those with the neighbor's house close on the north side land at the shorter end. Many owners have just the side wall re-done between full washes, which is a smaller job and priced that way.
More in Center Line
Deeper reading: Soft Washing vs. Power Washing: Which Does Your Home Need? and What Chemicals Do Power Washing Companies Use?.
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