Painted Roof Cleaning Glenella – A Big Difference on This Mackay Home
We recently completed a painted roof cleaning job in Glenella, and the before-and-after difference was impressive.
Like many roofs around Mackay, this roof had developed a heavy build-up of black mould, dirt and organic growth over time. Because it was a painted metal roof, we needed to clean it carefully rather than simply hitting it with excessive pressure.
At Pristine Washing, we adjust our roof cleaning method to suit the surface we are working on. For this Glenella home, we used our Whirlaway surface cleaner with the pressure turned down, allowing us to work across the roof in a controlled and consistent way.
This painted roof cleaning Glenella job was a great example of how much difference professional cleaning can make to an older painted metal roof.
We also cleaned the home’s solar panels, leaving both the roof and solar system looking much fresher.
Painted Roof Cleaning Glenella – Heavy Mould Build-Up
The before photos show just how dirty parts of this roof had become.
Large sections had a very dark appearance, with black mould and grime covering the painted surface. Other sections were lighter but still showed considerable weathering and organic build-up.
Mackay’s warm, humid climate creates ideal conditions for mould and organic growth. Roofs are exposed to moisture, rain, airborne dirt and long periods of humidity, so it doesn’t take long for a clean roof to start looking tired.
Some areas can become considerably worse than others depending on shade, surrounding trees and how quickly the roof dries after rain.
This Glenella roof was a great example.
Why Painted Roof Cleaning Glenella Requires the Right Pressure
Cleaning a painted roof isn’t the same as pressure cleaning concrete.
The paint coating needs to be taken into consideration, particularly on an older roof where the coating may already have experienced years of exposure to the Mackay sun and weather.
When completing painted roof cleaning Glenella properties, we adjust our pressure and cleaning method to suit the condition of the existing coating.
Using excessive pressure can potentially damage an ageing painted surface.
That’s why we don’t approach every roof with the same pressure setting.
For this job, we inspected the condition of the roof and reduced the pressure to suit the painted metal surface.
Our aim was to remove the heavy mould and contamination while being mindful of the existing paint coating.
Using a Whirlaway With Reduced Pressure
One of the main pieces of equipment we used on this painted roof clean in Glenella was our Whirlaway.
A Whirlaway is commonly associated with pressure cleaning concrete and other hard surfaces, but when set up correctly and operated at reduced pressure, it can also give us excellent control on suitable roof surfaces.
For this particular roof, we turned the pressure down and worked methodically across the painted sheets.
The Whirlaway helped us maintain a more even cleaning pattern rather than concentrating the water pressure into one small area.
You can see in the photos where the cleaning had started and where the heavy black build-up was still present. The contrast was huge.
The Difference Was Easy to See
Once the mould and grime were removed, the roof looked dramatically different.
Instead of the dark, dirty appearance visible in the before photos, the cleaned sections returned to a much brighter finish.
This is one of the reasons roof cleaning can make such a noticeable improvement to a property.
The roof is a huge part of the home’s exterior. Even if the walls, driveway and gardens are well maintained, a heavily mould-covered roof can make the entire property look older.
Cleaning it can completely change the appearance of the home from the street.
Cleaning Around Roof Screws and Flashings
Metal roofs have plenty of areas where dirt and mould can accumulate, including around:
- Roof screws and washers
- Sheet overlaps
- Ridges
- Flashings
- Valleys
- Gutters and roof edges
We work carefully around these areas while cleaning.
We also keep an eye out for obvious signs of deterioration while we’re on the roof. A roof clean isn’t a roof inspection by a qualified roofer, but being up close gives us a much better view of the surface than you can normally get from ground level.
Solar Panel Cleaning Included
This Glenella property also had solar panels installed on the roof, so we cleaned these while completing the job.
Solar panels are constantly exposed to the same conditions as the roof, including dust, dirt, rain residue, bird droppings and airborne contamination.
Over time, a visible film can develop across the glass.
When we’re already completing a roof clean, it makes sense to have the solar panels cleaned at the same time.
We use an appropriate cleaning method on the panels rather than treating them like the surrounding metal roofing.
Once finished, the clean dark solar panels looked great against the freshly cleaned light-coloured roof.
Painted Roof Cleaning in Mackay’s Climate
Mould on roofs is something we see regularly throughout Glenella and the wider Mackay region.
Our tropical conditions mean we have plenty of warmth and moisture throughout the year. Add shaded sections of roofing into the mix and you have very favourable conditions for organic growth.
How quickly a roof becomes dirty will vary from property to property.
A home surrounded by trees or with sections that remain shaded for much of the day may experience faster mould growth than a roof exposed to full sun.
That’s why we recommend looking at the actual condition of your roof rather than relying on a fixed cleaning schedule.
Can Every Painted Roof Be Pressure Cleaned?
No.
This is important.
The condition of the existing paint needs to be considered before deciding how a painted roof should be cleaned.
If the coating is already badly deteriorated, flaking or failing, pressure cleaning may expose more of that existing deterioration.
Cleaning doesn’t restore damaged paint.
That’s why we assess the roof and choose a cleaning method and pressure level appropriate for the surface.
If a roof is due to be repainted, professional cleaning may also form part of the preparation process, depending on the requirements of the roofing contractor or painter.
Professional Roof Cleaning in Glenella
Roof cleaning isn’t just about owning a pressure washer.
Working at height introduces additional risks, and different roofing materials require different cleaning techniques.
At Pristine Washing, we have extensive experience cleaning roofs throughout Mackay and surrounding suburbs.
We regularly work with:
- Painted metal roofs
- Colorbond roofs
- Tile roofs
- Shed roofs
- Residential roofs
- Commercial roofing
- Solar panels
We choose the cleaning process based on the roof rather than using one method for every job.
How We Completed This Painted Roof Cleaning Glenella Job
This was a satisfying painted roof cleaning job in Glenella.
The heavy black mould and grime made the difference particularly noticeable once we started cleaning. Using our Whirlaway with reduced pressure allowed us to work steadily across the painted roof while taking the existing coating into consideration.
We also cleaned the solar panels to finish the job.
The end result was a much cleaner, brighter-looking roof and a big improvement to the overall appearance of the property.
The results from this painted roof cleaning Glenella project were particularly noticeable because of the heavy black mould covering sections of the roof.
Need Painted Roof Cleaning Glenella?
If your roof is starting to look black, mouldy or generally weathered, Pristine Washing can assess the surface and recommend a suitable cleaning method.
We provide professional painted roof cleaning in Glenella and throughout Mackay, with the equipment and experience to tackle everything from residential homes to larger commercial properties.
Contact Pristine Washing today for a quote on your roof cleaning.
Frequently Asked Questions
Can you pressure clean a painted metal roof?
In some cases, yes. The condition of the existing paint needs to be considered first. We adjust our equipment and pressure to suit the surface rather than using maximum pressure.
Why does my roof turn black?
The black appearance is commonly associated with organic growth and accumulated contamination. Mackay’s warm and humid conditions can encourage this growth, particularly on shaded areas of a roof.
Can you clean solar panels while cleaning the roof?
Yes. We can clean solar panels as part of a roof cleaning job using a cleaning method suitable for the panel surface.
Will roof cleaning make old paint look new again?
Roof cleaning removes surface contamination, but it doesn’t repaint or restore a deteriorated coating. Any existing fading, oxidation or paint deterioration may still be visible once the roof is clean.
Do you clean roofs outside Glenella?
Yes. Pristine Washing provides roof cleaning throughout Mackay and surrounding suburbs.