20mm Drainage Gravel Gold Coast
This gravel is composed of 20mm crushed rock fragments. It’s ideal for drainage applications and it’s commonly used behind retaining walls.
If you want to purchase drainage gravel or need further information on rocks, pebbles or graven for landscaping, you can contact our helpful staff for assistance.
Delivery Available!
We can also provide prompt delivery of your gravel order straight to your project site anywhere in Tweed Heads, Gold Coast or Brisbane.
Call us directly now on (07) 5537 2841 to order.
About Our Drainage Gravel 20mm
Drainage Gravel 20mm is a coarse aggregate designed for superior water filtration and stability in various construction and landscaping applications.
This crushed rock product consists of angular stones that create air pockets, allowing water to flow freely through the material, making it ideal for drainage solutions.
Commonly used in retaining wall drainage, soakage pits, and under concrete slabs, 20mm drainage gravel is known for its durability and ability to prevent waterlogging. Its consistent size and shape help improve soil aeration and stability, ensuring a long-lasting solution for both residential and commercial projects.
Why Choose 20mm Gravel?
Selecting 20mm drainage gravel for your project offers a few benefits:
Superior Drainage – The large, angular stones provide excellent permeability, making it a reliable option for areas prone to water buildup.
Durability – Composed of strong, weather-resistant materials, this gravel maintains its structure over time, even under heavy use.
Erosion Control – Helps stabilise slopes and embankments by reducing soil displacement caused by heavy rain or water flow.
Versatile Applications – Suitable for a wide range of uses, including garden beds, pathways, driveways, and construction sites.
Low Maintenance – Once installed, drainage gravel requires minimal upkeep and remains effective for years.
Considerations
While Drainage Gravel 20mm is highly effective for many different landscping applications, there are a few things worth considering:
Weight & Bulk – Being a coarse aggregate, it is heavy and requires proper handling during installation.
Surface Texture – The sharp edges of crushed rock may not be ideal for barefoot areas, making it less suitable for decorative pathways.
Delivery & Placement – Bulk deliveries require appropriate site access, so it’s important to plan ahead for unloading and spreading the material.
How & Where to Use Drainage Gravel
Drainage Gravel 20mm is a versatile rock suitable for various applications:
Retaining Wall Drainage – Placed behind retaining walls to prevent water buildup and reduce hydrostatic pressure.
Soakage Pits & Trenches – Used in French drains, soakage pits, and trenches to direct water away from structures.
Sub-Base for Paving & Concrete – Provides a stable foundation beneath concrete slabs, driveways, and footpaths.
Garden Drainage – Helps improve soil aeration and prevents waterlogging in garden beds.
Driveways & Pathways – Acts as a sturdy base layer for driveways and access paths, offering durability and good water drainage.
Erosion Control – Stabilises slopes and embankments, reducing soil washout in high-rainfall areas.
Frequently Asked Questions
For optimal drainage, install the gravel in a trench lined with geotextile fabric to prevent soil migration while allowing water to pass through.
Yes, it can serve as a base layer for driveways, especially in areas where water drainage is a concern.
The amount required depends on the depth and area coverage of your project. Contact us for assistance with calculating your order.
Contact Us
If you need further information or wish to purchase 20mm drainage gravel on the Gold Coast, contact our friendly team directly on (07) 5537 284.
Enquire online and one of our team members will promptly get back to you.
Enquire Online
Landscaping Tips
Not sure how much stone or mulch you need? Try our cubic metre calculator.
Delivery
We deliver 6 days a week across Tweed Heads, Gold Coast and Brisbane.
Trade
We cater from small to bulk loads on all materials. Contact Us for your bulk load requirements. We deliver whenever you want it.
Trading Times
Monday to Friday 6:00am – 4:30pm Saturday 6:00am – 2:30pm Sunday – Closed
