Single Premium Cube

Single Premium Cube
Interlocking Design – Extra Stability
 
Our sleek Single Premium Cubes take stability up a notch, offering more strength and buoyancy than standard cubes thanks to their clever interlocking curved edges — rated to handle over 350 kg/m².
 
With two extra curved wedge sides, these cubes not only add structural integrity but also look the part when set up on the water. Ideal for drive-on/off docks, they’re a top pick for floating walkways, berths, pontoons, jetties, and any setup that sees a lot of foot traffic.
 
Available in three standard colours — Blue, Grey, and Orange — or fully customisable (minimum order of 240pce for custom colours), these cubes can be arranged, expanded, reshaped or moved around whenever you need.
 
Made from 100% recyclable HDPE, our modular docks are UV-resistant, anti-slip, and built to last over 15 years. They offer a hefty load capacity of 360 kg/m² and are engineered to handle Australia’s extreme coastal conditions with ease.
 
Heavy Load Capacity: Supports over 360 kg/m² – perfect for commercial areas.
Interlocking Curved Design: Boosts both form and function with extra stability.
Flexible Layouts: Customise your dock size and shape – no permanent fittings needed.
Safe & Non-Slip: Textured surface with no sharp corners – safe for bare feet.
Proven Strength: Certified tensile strength over 1950 kg – reliable under pressure.
Eco-Friendly: Made from 100% recyclable HDPE – sustainable to the environment.
Long-Term Durability: Resistant to UV rays, saltwater, frost, oil, and chemicals.
 
Single Premium Cube Specs
Size: 50 x 50 x 40 cm
Weight: 7kgs
Colour: Blue, Grey, Orange
Custom Colour: MOQ 60m2 (240pce)
Durability: Resistant to UV, frost, seawater, corrosion, and heavy impact
Safety: Anti-slip surface with rounded edges for safe, stable walkways
Flexibility: Modular design allows quick installation and easy reconfiguration
Longevity: Designed for 10–15 years of dependable use with minimal maintenance
Material: 100% high molecular weight & high-density HDPE
Pontoon buoyancy: > 360 kg/m2 - Detection method: QB 1557-1992
Diagonal tensile strength: > 27 kN - Detection method: GB/T 1040.1-2006
Compressive strength: > 40 Kn - Detection method: GB/T 8813-2008
Tensile strength: > 30 Mpa - Detection method: ASTM D638-2014
Impact strength: > 65kJ/m2 - Detection method: ASTM D256-2010
 
ROHS tests
The raw materials do not contain six chemicals including lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl and polybrominated diphenyl ether, making it more conducive to human health and environmental protection.
 
Pricing ex Depots (Cubes Only)
Single Premium Cubes included with purchases of dock systems sold per m2
To Purchase separately: $140ea (includes shipping)
OTTOP depots in Brisbane, Melbourne, Perth, and Sydney
To Door Delivery and Other Destinations available on request
 
Delivery Time
Approximate lead time is 6–8 weeks
 
Dock Accessories
OTTOP carries the largest range of modular dock accessories in Australia
Discounts available when purchased with a dock system
Accessories also sold separately (shipping applies)
 
Dock Installation
DIY ready with straightforward setup
Two people can install around 50 cubes per hour
Comes with clear, step-by-step instructions
Installation available on request (service fee applies)