What it is

Those black vertical streaks are a bonded deposit, not dirt. That is why washing the house never removes them. It is oxidised asphalt off the shingles mixed with road film and winter salt.

Badly chalked aluminum improves but will not return to original white. We tell you before starting.

Before and after

What whitening changes

The dark vertical streaking is a bonded deposit. Sweep across to see what comes off.

Move your pointer across the image. On a phone, drag it. Arrow keys work too.

Diagram Stained Brightened

Diagram, not a photograph. Real before-and-after photographs of RainLine jobs are being added here.

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What it fixes

Black vertical stripes down a white gutter
Gutters still dirty right after the house is washed
Chalky grey aluminum on the street-facing side
Clean siding that makes the gutters look worse
Streaks that come back within a season of a wash

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How we work

A gutter brightener and hand scrubbing, section by section. Pressure washing does not remove this.
The siding underneath is rinsed, so no drip lines.
Checked section by section, not treated once and hoped for.

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What you get

Before and after photos of each elevation
An honest read on how far it will come back
A flat written price by elevation
Windows and siding below rinsed down
No drip lines left on the siding

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When to book

Spring or summer, once the salt season is over. Whitening in late autumn leaves the finish facing a winter of road spray. A spring treatment then holds its look through the whole year.

Process

How it works

No price before we look.

01
Ask for an inspection
Postal code is enough.
02
We inspect
On site, free.
03
You get photos and a price
Flat, in writing, within 24 hours.
04
You decide
Book it or don't.

Pricing

Starting prices

Your price is fixed in writing after the free inspection.

01

Gutter cleaning

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Gutter guards

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