Blackwood Concrete Sleeper
Colour: Charcoal
Pattern: Plain / Smooth
Style: Minimalist / Modern
Surface Finish: Smooth concrete finish
Material: Steel-reinforced concrete
Application: Retaining walls, garden edging, contemporary landscaping
Simple, Sleek, and Built to Complement Modern Design
The Blackwood Concrete Sleeper offers a clean, understated design with a rich charcoal tone — perfect for modern landscaping. With the same smooth face as our classic Lonsdale Sleeper, Blackwood brings a darker, more dramatic finish that pairs beautifully with today’s popular charcoal bricks and contemporary home styles.
Its minimalist design makes it the ideal base for landscape designs where clean lines and subtle tones are preferred over decorative textures.
Strength You Can Rely On
Blackwood is manufactured using industry-leading 60MPa concrete and reinforced with 2 x N10 steel reo bars*. It surpasses Australian Standards, making it one of the strongest and most durable concrete sleepers on the market today.
Certified by a Structural Engineer for a 50-year lifespan
Zero maintenance – won’t rot, warp, split, or attract termites
Manufactured in South Australia under strict quality controls
Independently tested twice per week for ongoing performance assurance
 
Why Choose Blackwood?
When your project calls for a minimalist concrete sleeper with a modern edge, Blackwood delivers. It’s a simple yet stylish solution that brings both elegance and strength to retaining walls of any scale.