Interlocking Concrete Blocks
We’re not only about concrete panels at great prices. We also supply concrete interlocking blocks, backed by strong service, dependable delivery, and outstanding value.
Interlocking Concrete Blocks
Unbrako produces durable, high-quality stackable blocks made from high-strength concrete, suitable for both permanent and temporary structures.
Thanks to their weight and the integrated stud system, the blocks interlock securely using a male-and-female connection, eliminating the need for bonding materials. This allows for quick assembly and easy reconfiguration, offering flexible solutions for a wide variety of construction needs.
These blocks are well suited for applications such as storage and aggregate bays, waste and recycling areas, weeping walls, flood defence when sealed, salt storage for local authorities, soil retention, traffic calming measures, and property security.
Data sheets available on request.
Robust Design
Strong, stable walls with no fixings or additional reinforcement required
Long Life
Designed for up to 100 years of reliable unreinforced construction
Fire Resistant
Class A1 rated, offering up to 120 minutes of proven fire resistance
Strong, Stable Walls with No Fixings Required
Key Benefits
Interlocking concrete blocks provide a flexible and efficient construction solution for creating strong, modular structures without the need for mortar or permanent fixings.
- Rapid Installation - Installed quickly using lifting equipment, allowing structures to be assembled far faster than traditional masonry or in-situ concrete
- Flexible and Reconfigurable - Structures can be easily dismantled, moved, or reconfigured as site requirements change
- Strong and Durable - Manufactured from high-quality precast concrete
- No Mortar Required - The interlocking design allows blocks to stack securely without the need for mortar or adhesives
- Cost-Effective Solution - Because they require minimal groundwork and can be installed quickly, interlocking blocks offer a cost-effective alternative to traditional construction methods
Their innovative design allows blocks to stack securely together, making them ideal for projects that require quick installation, adaptability, and long-term durability.
Common Applications
Interlocking concrete blocks offer a practical solution for constructing strong, modular structures across a wide range of industries.
Common applications include:
- Storage Bays for Bulk Materials - Such as aggregates, sand, gravel, grain, or recycled products
- Retaining Walls - For managing changes in ground level or containing soil
- Waste and Recycling Facilities - To separate and store different waste or recyclable materials
- Agricultural Applications - Farms frequently use interlocking blocks for silage clamps, feed storage bays, and other heavy-duty agricultural containment areas
- Industrial Yard Divisions - To create partitions within industrial yards to separate materials, equipment, or operational zones
- Temporary Structures and Barriers - Well suited for temporary walls, site barriers, and short-term containment areas
Product Specifications
Block Lengths: 0.6m to 1.8m
Available in a wide range of lengths, supplied in 0.6m & 0.8m depths.
Concrete strength: C40
Made in C40 concrete for strength and durability, ensuring blocks perform reliably in demanding environments.
Design life: 100 years
Engineered for long-term use, interlocking blocks have up to a 100-year design life under normal conditions.
Block Weights: 520kg to 2460kg
Available in a wide range of sizes, interlocking blocks do not require any kind of sealant due to their heavy weight.
Finish: Smooth
Interlocking blocks have a mould-finished surface, ensuring a clean and tidy appearance from all sides.
Fire resistance: 120 minutes
Fire resistance of up to 120 minutes (or 4 hours when sealed) can be achieved, offering added confidence in demanding environments.
Concrete Blocks Gallery
How are Concrete Blocks installed?
We have an in-house installation team, able to provide you with a professional and competitive installation service if required.
Installation is simple and efficient:
- Delivered with cast-in lifting pins
- Supplied with 2 × 2.5T spherical head lifting clutches
- Offloaded and positioned with telehandler, forklift, or 360 excavator
- Installed on a reinforced concrete slab or existing yard base
- No fixings required – stability comes from the block weight and interlocking design
Why Choose Unbrako?
We combine engineering expertise with precision manufacturing to deliver high-quality precast concrete solutions tailored to each project’s requirements.
With a strong focus on structural performance, durability, and programme efficiency, Unbrako supports clients from initial design through to production and delivery.
Our factory-controlled processes ensure consistent quality, while our commitment to reliability, safety, and technical support gives contractors and developers confidence that their project will be delivered on time and built to last.
How To Order:
Our interlocking concrete blocks can be ordered directly from our sales team. We offer a site visit and design service for every project if required and are also available to assist with technical advice.
For more information, please fill in the enquiries form using the button below, or call 01949 860 985 and a member of our sales team will be happy to help. Alternatively, email Luke@unbrakoprecast.com for direct technical support on your project.
