How Long Do Retaining Walls Last?
A retaining wall is essentially one that holds back soil and has the ability to sustain the
3 September 2025
Strong Lock is one of the strongest retaining walls in Perth available today. It offers the great look of limestone with the ever-lasting strength of steel-reinforced concrete panel fencing.
At Stronglock, we believe retaining walls should be more than just functional – they should be strong, beautiful, and built to last for generations. For over 26 years, we have proudly supplied Perth homeowners, landscapers, and builders with retaining wall solutions that combine the natural look of limestone with the unmatched strength of reinforced concrete.
Founded and operated by Mark, Stronglock has grown from a small, hands-on local supplier into one of Perth’s most trusted names in retaining walls and garden edging. What sets us apart is not just the quality of our products, but the personal service and expertise that comes with them. Whether you’re tackling a DIY weekend project or building for a large-scale development, we’re here to make sure your wall stands the test of time.
When you contact our Retaining Wall Company in Perth, you will deal directly with the owner, Mark. He has been supplying Strong Lock DIY concrete retaining walls…
In the world of outdoor aesthetics, garden edging in Perth is like a finishing touch that brings a sense of clarity and charm to your garden.
We recently caught up with Mark at his panel and post retaining walls premises in Perth to discuss his business and the pros and cons of retaining walls.
Strong Lock offers the strongest DIY retaining walls in Perth available today, including DIY modular walls. Combining the aesthetic appeal of limestone with the enduring strength of steel-reinforced concrete panel retaining.
Our DIY wall panels have an impressive strength and hardness rating – much higher than the industry standard ratings. We use steel reinforcing rods throughout our posts and panels to guarantee stronger twin side retaining walls.
| REQUIRED WALL HEIGHT | REQUIRED POST LENGTH | APPROXIMATE WEIGHT | TOTAL PRICE |
|---|---|---|---|
| 300mm | 700mm | 28 kg | $30.00 |
| 450mm | 900mm | 35 kg | $35.00 |
| 600mm | 1100mm | 42 kg | $40.00 |
| 750mm | 1400mm | 47 kg | $45.00 |
| 900mm | 1800mm | 63 kg | $50.00 |
| 1050mm | 1900mm | 70 kg | $55.00 |
| 1200mm | 2200mm | 77 kg | $60.00 |
| PANELS | STANDARD LENGTH | APPROXIMATE WEIGHT | TOTAL PRICE |
|---|---|---|---|
| Half (150mm) | 1130mm | 22 kg | $20.00 |
| Full (300mm) | 1130mm | 40 kg | $28.00 |
| REQUIRED WALL HEIGHT | REQUIRED POST LENGTH | APPROXIMATE WEIGHT | TOTAL PRICE |
|---|---|---|---|
| 300mm | 700mm | 28 kg | $30.00 |
| 450mm | 900mm | 35 kg | $35.00 |
| 600mm | 1100mm | 42 kg | $40.00 |
| 750mm | 1400mm | 47 kg | $45.00 |
| 900mm | 1800mm | 63 kg | $50.00 |
| 1050mm | 1900mm | 70 kg | $55.00 |
| 1200mm | 2200mm | 77 kg | $60.00 |
| PANELS | STANDARD LENGTH | APPROXIMATE WEIGHT | TOTAL PRICE |
|---|---|---|---|
| Half (150mm) | 1130mm | 22 kg | $20.00 |
| Full (300mm) | 1130mm | 40 kg | $28.00 |
Strong Lock is one of the strongest retaining walls in Perth available today. It offers the great look of limestone with the ever-lasting strength of steel-reinforced concrete panel fencing. Read our engineering specifications and view our photo gallery of projects and you will see why Perth’s top builders have chosen Stronglock over our competitors.
Strong Lock offers the best value for money in a retaining wall product anywhere in Australia. Just check out our builder testimonials and see for yourself.
A retaining wall is essentially one that holds back soil and has the ability to sustain the
In the world of landscaping, retaining walls are more than mere functional structures; they are a defining
Retaining walls are not only functional but also aesthetic features that can redefine the character of your