Sandstone Cleaning Mount Pleasant – Restoring a Large Poolside Entertainment Area


If you’re searching for Sandstone cleaning Mount Pleasant, today’s project is a great example of how professional pressure cleaning can completely transform natural stone.
Our team at We Wash Houses Mackay recently spent the day restoring a large sandstone entertainment area surrounding a swimming pool in Mount Pleasant. The property featured several levels of sandstone tiles, curved staircases, pathways, retaining walls and multiple outdoor entertaining spaces.
Like many homes throughout Mackay, years of humidity, rain and shade had allowed mould, algae and weeds to take over. Large sections of the sandstone had turned almost black, weeds were growing between the joints and the beautiful natural colours of the stone had almost disappeared beneath years of built-up organic growth.
By the end of the day, the entire area had been transformed, with the sandstone looking bright, clean and ready to enjoy again.
Why Sandstone Cleaning Mount Pleasant Is Important
Sandstone is one of the most attractive paving materials available, but it’s also one of the most porous.
Unlike concrete or porcelain tiles, sandstone absorbs moisture. In Mackay’s tropical climate this provides the perfect environment for:
- Black mould
- Green algae
- Lichen
- Dirt and organic staining
- Weeds growing between the joints
- Moss in shaded areas
Pool surrounds are particularly vulnerable because they stay damp for longer, especially around retaining walls, garden beds and shaded sections that receive very little direct sunlight.
Over time, this not only affects the appearance of the stone but can also create slippery walking surfaces.

Assessing the Job
When we arrived, it was obvious the sandstone hadn’t been professionally cleaned for quite some time.
The lower entertaining area was heavily stained with black mould and algae.
The curved pool steps had become dark and slippery, while the pathways around the pool had lost almost all of their natural colour.
We also found numerous weeds growing through the tile joints across several sections of the property.
With such a large area to clean, the job required careful planning to ensure every section received the correct treatment.


Our Sandstone Cleaning Mount Pleasant Process
Natural sandstone requires a completely different approach to ordinary concrete.
Using excessive pressure can permanently damage the surface, so we use professional techniques designed specifically for natural stone.
For this Mount Pleasant project we:
- Removed weeds growing between the sandstone joints.
- Applied a professional mould treatment to break down algae and organic growth.
- Allowed the treatment time to penetrate the surface.
- Carefully pressure cleaned the sandstone using controlled pressure.
- Cleaned around the curved pool edges and staircases.
- Thoroughly rinsed every area to remove loosened dirt and mould.
- Inspected the finished surface to ensure an even result across the entire property.
Taking the time to clean correctly helps restore the sandstone without damaging its natural texture.
The Difference Was Incredible
One of the most satisfying parts of today’s project was seeing the natural colours return.
The sandstone changed from dark grey and black back to its beautiful mix of gold, cream and light brown tones.
The curved staircases became a feature again rather than something hidden beneath mould.
The pool area looked brighter, cleaner and far more inviting, while the surrounding entertaining areas felt much larger simply because the sandstone was no longer covered in years of built-up grime.
Removing the weeds between the joints also gave the entire outdoor space a much neater appearance.

Why Professional Sandstone Cleaning Mount Pleasant Is Important
Many homeowners think sandstone can simply be blasted clean with a domestic pressure cleaner.
Unfortunately, this often causes permanent damage by eroding the softer surface of the stone.
Professional sandstone cleaning is about much more than pressure.
It involves selecting the correct pressure, using appropriate cleaning products and understanding how natural stone reacts to different cleaning methods.
The result is a cleaner surface without unnecessary damage.

Benefits of Professional Sandstone Tile Cleaning
Regular sandstone cleaning helps to:
- Remove mould, algae and mildew.
- Improve safety by reducing slippery surfaces.
- Restore the natural colours of the stone.
- Extend the life of your sandstone.
- Improve the appearance of your outdoor entertaining area.
- Increase the value and presentation of your home.
- Reduce long-term maintenance costs.
For pool areas, regular cleaning also creates a much safer environment for family and guests.
How Often Should Sandstone Be Cleaned?
Most sandstone around Mackay benefits from professional cleaning every 12 to 24 months.
Homes surrounded by gardens, retaining walls or large trees often require more frequent cleaning because these areas remain damp for longer and encourage mould growth.
Keeping sandstone maintained prevents heavy staining and makes future cleans much easier.
Why Homeowners Choose We Wash Houses Mackay
At We Wash Houses Mackay, we understand that every surface requires a different cleaning approach.
Natural sandstone is one of the most delicate outdoor surfaces we clean, which is why we use professional equipment and carefully controlled pressure to achieve outstanding results without damaging the stone.
Whether it’s pool surrounds, patios, pathways, steps or complete outdoor entertaining areas, we take the time to clean every surface properly.
We proudly provide professional sandstone cleaning throughout Mount Pleasant and the wider Mackay region.
Book Your Sandstone Cleaning Mount Pleasant Today
If your sandstone tiles are covered in mould, algae, weeds or years of built-up dirt, we’d love to help.
Whether it’s a small patio or a large multi-level pool area like this one, We Wash Houses Mackay has the experience and equipment to safely restore your sandstone.
Contact us today for a free quote and let us bring your outdoor entertaining area back to life.
Frequently Asked Questions
Can sandstone be pressure cleaned safely?
Yes. Sandstone can be pressure cleaned safely when the correct pressure and techniques are used. Using too much pressure can permanently damage the surface, so professional cleaning is recommended.
Why do sandstone tiles turn black?
The black staining is usually mould, algae and organic growth caused by Mackay’s humid climate, shaded areas and constant moisture.
Will pressure cleaning remove weeds between the tiles?
Yes. We remove weeds from between the joints before and during the cleaning process, giving the entire area a cleaner and more finished appearance.
How often should sandstone around a pool be cleaned?
Most pool surrounds should be professionally cleaned every 12 to 24 months, although shaded areas may need cleaning more frequently.
Do you clean sandstone throughout Mackay?
Yes. We provide professional sandstone tile cleaning across Mount Pleasant, Mackay and all surrounding suburbs.

Sandstone Cleaning Mount Pleasant | Pool Area Restored
Learn More
