The homes you care about deserve the care you’d want for them.
Brick is beautiful, durable, and timeless—but it’s also porous. In the Moseley area, where shade from mature trees and moisture from seasonal rain combine, algae finds a comfortable home in the tiny pores and mortar joints of brick exteriors. What starts as faint green or black streaking can spread across entire walls if left unchecked, especially during pollen buildup during spring and early summer when humidity stays high and surfaces stay damp longer.
Algae doesn’t just look bad. It holds moisture against your masonry, and over time, that can weaken mortar and accelerate wear. For homeowners preparing a property for sale, algae-streaked brick can quietly lower perceived value before a single showing.
Why Brick Algae Shows Up in The Grove
Algae thrives where there’s consistent moisture and limited direct sunlight. Homes surrounded by tall oaks or positioned on shaded lots see more growth than those in full sun. Weather fluctuations leading to inconsistent moisture retention make it worse—brick that stays damp through cool mornings and warms up slowly creates ideal conditions.
You’ll often see the heaviest buildup on north-facing walls, under eaves, or near downspouts where water splashes back onto the surface.
What Happens When You Try to Clean It Yourself
Pressure washing might seem like the obvious solution, but it’s rarely the right one for brick. Too much pressure can erode mortar, chip brick faces, or drive water deep into the wall where it doesn’t belong. Many homeowners also worry about damage to landscaping from incorrect cleaning—overspray, chemical runoff, or trampled beds can create new problems while trying to solve the original one.
Algae needs to be treated, not just blasted off. That’s where soft washing comes in.
How Soft Washing Removes Algae Safely
Soft washing uses low-pressure water combined with biodegradable cleaning solutions designed to kill algae at the root. The treatment is applied gently, allowed to dwell, and then rinsed away without damaging brick, mortar, or surrounding plants.
The process doesn’t just remove visible staining—it treats the surface to slow regrowth. Properties nearby often see results that last a full season or longer, depending on exposure and drainage.
Timing Matters for Real Estate Prep
If you’re preparing a home for listing, exterior cleaning should happen early in the process—not the week before photos. Algae removal can take a few days to fully cure, and you want the brick looking its best when the photographer arrives.
Time is usually the most expensive factor. Waiting until the last minute can mean settling for a quick rinse instead of a proper treatment, or worse, skipping it entirely and hoping buyers won’t notice.
A Few Practical Tips
- Trim back shrubs and tree branches that keep brick surfaces shaded and damp.
- Check gutters regularly—clogs lead to overflow, and overflow leads to algae-friendly conditions below.
- Avoid using bleach or household cleaners on brick; they can discolor mortar and don’t address the root cause.
- If you’re listing soon, schedule exterior cleaning at least two weeks before professional photos.
What About Sealed or Painted Brick?
Sealed brick can still develop algae, though it may take longer to show. The cleaning process is similar, but the solutions and dwell times may be adjusted to protect the sealant. Painted brick requires even more care—too much agitation or the wrong product can lift paint or leave streaks.
Both surfaces benefit from professional assessment before any cleaning begins.
If you’re managing a property in The Grove or getting ready to list and want brick that looks cared for without risking damage, it’s worth bringing in someone who knows how to handle masonry safely.
For homeowners or property managers who prefer to have exterior maintenance handled professionally, RainSoft ProWash handles exterior cleaning and maintenance throughout the Richmond Metro area.