Posted by FPMBuildingSupplies

Concrete Sleepers vs Besser Blocks: What Melbourne Builders Recommend

Introduction: Choosing the Right Material for Your Project

When it comes to building retaining walls, garden beds, or boundary structures in Melbourne, two of the most popular options are concrete sleepers and Besser blocks . Both materials offer strength and versatility, but they differ significantly in terms of installation, aesthetics, maintenance, and overall performance.

At FPM Building Supplies , we provide a wide range of precast concrete products , including plain concrete sleepers and charcoal concrete sleepers , that have become the go-to choice for many builders across Victoria. In this comprehensive guide, we’ll compare concrete sleepers vs Besser blocks , exploring their pros and cons, ideal applications, and why Melbourne professionals often prefer one over the other.

Whether you’re a DIY enthusiast or a licensed builder, understanding the differences between these two materials will help you make an informed decision based on your project’s needs.

Understanding the Basics: What Are Concrete Sleepers?

Concrete sleepers are precast concrete beams designed for use in landscaping, fencing, and retaining wall construction. They come in standard sizes such as:

• 2400 x 200 x 75mm
• 2360 x 200 x 75mm
• 2000 x 200 x 75mm

These dimensions allow for easy stacking and alignment without the need for complex masonry skills. Available in both plain grey and charcoal finishes , concrete sleepers blend well with modern architecture and natural landscapes alike.

 Shop Plain Concrete Sleepers (2.4m x 75mm)
Shop Charcoal Concrete Sleepers (2.4m x 75mm)

Understanding the Basics: What Are Besser Blocks?

Besser blocks, also known as concrete masonry units (CMUs) , are hollow-core concrete bricks used extensively in residential and commercial construction. Typically measuring 390x190x190mm , they are laid like traditional bricks using mortar and can be filled with concrete or rebar for added strength.

They are commonly used for:

• Retaining walls
• Garden edging
• Privacy fences
• Structural walls

While durable, Besser block installations require skilled tradespeople to ensure proper alignment and structural integrity.

Key Differences Between Concrete Sleepers and Besser Blocks

Feature	Concrete Sleepers	Besser Blocks
Installation Time	Faster due to larger size and fewer joints	Slower due to individual block placement
Weight per Unit	Heavier (180–110 kg depending on length)	Lighter (approx. 17–20 kg per block)
Design Flexibility	Easy to stack and stagger for tiered designs	More rigid, requires precise layout
Aesthetic Appeal	Modern, clean lines; charcoal finish adds contrast	Traditional brick appearance
Maintenance Requirements	Virtually none	Requires occasional repointing and cleaning
Load-Bearing Capacity	High, especially when reinforced with steel posts	Moderate, depends on core filling and bonding
Cost	Competitive pricing for precast concrete	Higher labor costs due to installation complexity

Understanding these differences is essential before making a final decision.

Why Melbourne Builders Prefer Concrete Sleepers

1. Ease of Installation

One of the biggest advantages of concrete sleepers is how quickly and easily they can be installed. Their larger size means fewer pieces to handle and less time spent laying them out. With the help of galvanised steel posts —such as H posts (100×100 UC) or C posts (100×50) —sleepers can be secured vertically or horizontally in just a few steps.

Galvanised Steel H Post (100×100 UC)
Galvanised Steel C Post (100×50)

2. Superior Durability

Made from 50 MPa concrete mix , concrete sleepers are highly resistant to weathering, erosion, and impact damage. Unlike timber or untreated masonry, they won’t rot, warp, or attract termites.

Advantages of Using 50 MPa Concrete Mix

3. Low Maintenance

Once installed, concrete sleepers require minimal upkeep. They don’t need painting, sealing, or re-pointing like Besser blocks do, saving time and money in the long run.

4. Versatility in Design

Concrete sleepers can be stacked vertically, arranged in stepped patterns, or even angled for creative landscaping features. This makes them ideal for retaining walls , garden borders , and privacy screens .

 How to Create a Tiered Garden Bed with Precast Concrete Sleepers

5. Eco-Friendly Option

Precast concrete products like sleepers are manufactured off-site under controlled conditions, reducing waste and environmental disruption during installation.

 Environmental Benefits of Precast Concrete

When Besser Blocks Shine: Applications Where They Excel

Despite the growing popularity of concrete sleepers, Besser blocks still hold value in certain applications:

1. Curved Retaining Walls

Because Besser blocks are smaller and more flexible, they are better suited for curved or contoured designs where tight angles and custom shapes are needed.

2. Structural Walls Requiring Insulation

In some cases, Besser blocks are used for internal walls where insulation is required. The hollow cores can be filled with thermal or acoustic material for enhanced performance.

3. Budget-Friendly Masonry Projects

For small-scale DIY projects where speed isn’t a priority, Besser blocks may be more affordable upfront—especially if the builder has experience with bricklaying.

Cost Comparison: Sleepers vs Besser Blocks

Initial Investment

Material	Average Cost per Linear Metre	Labour Required	Long-Term Value
Concrete Sleepers	$80–$120 per sleeper	Minimal	High
Besser Blocks	$40–$60 per block	High	Moderate

While Besser blocks may seem cheaper at first glance, the higher labor costs associated with their installation can quickly surpass the total price of a sleeper-based build.

Strength and Load-Bearing Capacity

Concrete Sleepers

Thanks to their dense composition and large footprint , concrete sleepers excel in load-bearing applications. Whether used for slope reinforcement , retaining walls , or fence bases , they provide exceptional lateral support and resistance to shifting.

They are often paired with galvanised steel corner posts or 45-degree supports to enhance stability.

 Galvanised Steel Corner Posts for Extra Support
45-Degree Galvanised Steel Posts

Besser Blocks

Besser blocks are strong but rely heavily on proper core filling and bonding techniques to achieve optimal performance. Without adequate reinforcement, they may crack or shift under pressure—especially in clay soils or sloped areas.

Aesthetic Considerations: Which Looks Better?

Concrete Sleepers

Available in plain grey and charcoal finishes , concrete sleepers offer a sleek, modern alternative to traditional masonry. The charcoal option provides bold contrast, making it a favorite among contemporary landscapers.

 Why Charcoal Concrete Sleepers Are Perfect for Style and Durability

Besser Blocks

Besser blocks typically feature a textured surface and can be painted or rendered to match surrounding structures. However, their rectangular shape can appear bulky in minimalist or modern settings.

Installation Best Practices for Concrete Sleepers

Step-by-Step Guide:

1. Prepare the Base
   • Clear the area of vegetation and debris.
   • Compact gravel or crushed rock for drainage.
2. Mark the Wall Layout
   • Use stakes and string to outline the structure.
3. Install Galvanised Steel Supports
   • Place galvanised steel posts every 2–3 meters.
   • Secure with rapid set concrete for immediate stability.

 Rapid Set Concrete – Fast & Reliable Fix

4. Position and Level the Sleepers
   • Use a spirit level and rubber mallet to adjust alignment.
   • Stagger layers like bricks for improved strength.
5. Secure and Backfill
   • Use brackets or rebar pins to lock sleepers together.
   • Fill behind with compacted soil or gravel to prevent movement.

 Master Installation Techniques

Installation Best Practices for Besser Blocks

Step-by-Step Guide:

1. Excavate and Prepare the Foundation
   • Dig a trench and lay a 100–150mm layer of sand or crushed rock.
2. Lay the First Course
   • Use mortar to bond blocks and ensure level placement.
3. Stack and Bond Subsequent Courses
   • Offset each row for structural integrity.
   • Reinforce cores with concrete and rebar if needed.
4. Repoint and Finish
   • Clean excess mortar and apply sealant or paint if desired.

Maintenance Over Time

Concrete Sleepers

• Require no painting or sealing
• Resistant to staining and UV fading
• Occasional cleaning with water and mild detergent

 How to Maintain Concrete Sleepers

Besser Blocks

• May develop cracks in joints over time
• Need periodic re-pointing and cleaning
• Susceptible to moss or algae growth in damp areas

Environmental Impact and Sustainability

Concrete Sleepers

• Made from precast concrete , reducing on-site waste
• Durable and long-lasting, requiring fewer replacements
• Recyclable at end-of-life

Besser Blocks

• Energy-intensive manufacturing process
• Frequent repairs and replacements increase resource consumption
• Mortar and render contribute to ongoing emissions

 Sustainability Benefits of Precast Concrete

Real-World Applications and Case Studies

Case Study 1: Urban Garden Retaining Wall

A landscape designer in South Yarra built a two-meter-high retaining wall using charcoal concrete sleepers and galvanised steel H posts . The structure was completed in half the time compared to a Besser block alternative, with no future maintenance expected.

Top Landscaping Ideas Using Concrete Sleepers

Case Study 2: Residential Boundary Fence

A homeowner in Box Hill chose Besser blocks for a front fence due to budget constraints and a preference for a traditional look. Within five years, several sections had cracked due to ground movement, requiring costly repairs.

Melbourne Builders’ Preference: Why Sleepers Are Gaining Popularity

According to recent surveys and feedback from local contractors, concrete sleepers are increasingly preferred over Besser blocks for the following reasons:

1. Speed of Build : Sleepers reduce construction time by up to 60%.
2. Durability in Harsh Soils : Ideal for Melbourne’s variable soil types, including clay and sandy loam.
3. Modern Aesthetics : Sleek, uniform design complements urban and suburban architecture.
4. Cost Efficiency Over Time : Lower maintenance and repair expenses offset higher initial costs.

 Why Melbourne Builders Trust FPM for Quality Products

Common Mistakes to Avoid with Each Material

With Concrete Sleepers

• Not Using Galvanised Steel Supports : Sleepers should always be reinforced with steel posts for maximum stability.
• Ignoring Drainage Needs : Poor drainage behind the wall can lead to hydrostatic pressure buildup.
• Improper Alignment : Sleepers must be level and securely fastened to prevent bowing or leaning.

With Besser Blocks

• Using Untreated Blocks in Wet Areas : Can absorb moisture and degrade faster.
• Skipping Core Filling : Hollow cores should be filled with concrete and rebar for structural integrity.
• Neglecting Expansion Joints : Without expansion gaps, cracking becomes inevitable over time.

Safety and Handling Tips

For Concrete Sleepers

• Always use lifting straps or mechanical assistance for handling heavy units.
• Wear gloves and eye protection when cutting or drilling.
• Ensure delivery trucks have clear access to avoid dragging sleepers manually.

For Besser Blocks

• Use proper lifting techniques to avoid strain.
• Store blocks on flat, dry surfaces to prevent warping.
• Work in well-ventilated areas when mixing mortar.

How FPM Building Supplies Supports Your Build

As Melbourne’s leading provider of high-quality precast concrete products , FPM Building Supplies offers everything you need to complete your project successfully.

Why Builders Choose Us:

• Premium Quality Sleepers : Made with 50 MPa concrete for unmatched strength.
• Expert Guidance : Our team helps you choose the right sleeper type and reinforcement method.
• Fast Delivery Across Victoria : We deliver directly to your job site with appropriate equipment.
• Wide Range of Sizes and Finishes : From plain to charcoal, we have the perfect fit for every property.

 Why Choose FPM Building Supplies?

Conclusion: Make the Right Choice for Your Melbourne Property

Both concrete sleepers and Besser blocks have their place in construction, but for most Melbourne builders, concrete sleepers are the superior choice due to their:

• Strength and longevity
• Ease of installation
• Low maintenance
• Modern aesthetic appeal

Whether you’re building a retaining wall , privacy fence , or garden border , choosing the right material ensures your structure lasts for decades with minimal upkeep.

Ready to get started? Visit our website or contact us for expert advice and competitive pricing.

Related Blogs

• How to Build a Strong and Long-Lasting Fence
• Understanding Concrete Sleeper Weight
• Top 10 Landscaping Ideas Using Plain Concrete Sleepers
• Why Charcoal Concrete Sleepers Are Perfect for Style and Durability

Frequently Asked Questions (FAQs)

Q: Can I install concrete sleepers myself?
A: Yes, especially with mechanical assistance. Smaller sleepers can be handled by two people, while larger ones require machinery.

Q: Do Besser blocks last as long as concrete sleepers?
A: No—Besser blocks tend to crack and deteriorate faster, especially in unstable soils.

Q: Are concrete sleepers heavier than Besser blocks?
A: Yes, but their weight contributes to stability and longevity.

Q: Where can I buy quality concrete sleepers in Melbourne?
A: Visit FPM Building Supplies for the largest selection of precast concrete sleepers in Melbourne.

Additional Resources

• Step-by-Step Installation Guide
• General Purpose Cement for Mortar and Joints
• Rapid Set Concrete for Quick Fixes