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House Washing in Delafield: Five Years of Oak Shade

A Delafield home that had not been cleaned since the owners moved in, under enough oak cover to keep the siding damp most of the year.

What we walked into

The owners had been in the house five years without touching the exterior, and had no idea whether the previous owner ever had it cleaned either. Several mature oaks surround the property. That much shade keeps siding damp long after a rain, and damp siding under trees is about the most hospitable thing you can offer moss and algae. It had spread across the walls and was starting to hold moisture against the surface, which is where cleaning stops being cosmetic and starts being maintenance.

Before the wash

  • Five years of growth, possibly longer
  • Heavy oak cover on all sides keeping the siding damp
  • Algae down the downspouts and along every gutter line
  • Growth spreading from the gutters out onto the siding

After the wash

  • Algaecide killed the growth at the root, not just the surface
  • Gutters, downspouts and soffit back to white
  • Siding back to its original color on all four elevations
  • Landscaping watered before and after, untouched

How this job ran

1

Walk the property

Siding type, how far the growth had gone, and every bed and shrub that needed soaking first.

2

Water everything down

Grass, bushes and beds saturated with plain water before any solution was mixed.

3

Low pressure soft wash

Algaecide applied at low pressure and given time to work. No pressure on the siding at all.

4

Full rinse and walk-through

House and everything under it rinsed down, then a walk-around together to check every wall.

Before

Under the oaks

Front elevation of a Delafield home before soft washing, siding dulled under heavy oak cover
Rear elevation of a Delafield home showing years of organic growth on the siding
Garage side of a Delafield home before washing, growth along the siding and trim
Green algae covering the downspout elbow and gutter of a Delafield home
Algae streaking along the gutter line and fascia before soft washing
After

The oaks stay, the growth goes

Rear elevation of the Delafield home clean after soft washing
Garage side of the Delafield home after washing, siding and trim back to color
The same downspout elbow and gutter, clean after a low pressure soft wash
Gutter line and soffit back to white after soft washing

Brad was great to deal with! We had been in the house 5 years without touching the outside exterior, who knows how long before us. We have many oak trees surrounding our house, and Pristine made it new again! Highly recommend. Also to mention it's always good to support your local firemen and first responders! Thanks Again Brad!

Kurt Schelor, Delafield

Why this one mattered

Common questions

How long does growth like this take to come back?

Killed at the root rather than rinsed off, most homes here look right for about two years. Under heavy oak cover like this one, closer to a year is realistic, because the shade never lets the siding dry out properly.

Does the shade mean it will just grow back anyway?

It will come back eventually on any house, shaded or not. The difference is how fast. Trees are worth having, so the answer is a shorter cycle, not cutting them down.

Do the oaks need trimming back?

Not for the wash. If branches are actually touching the siding that is worth dealing with, but shade on its own just means the house wants cleaning more often.

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