When it comes to construction materials that combine performance with sustainability, ECO-BLOC® Blocks are an award-winning option. Developed and produced exclusively by SRC Group, these innovative blocks are designed to give recycled materials a second life within new structures.
Building with ECO-BLOC® Blocks offers clear advantages, from reducing the demand for virgin materials to lowering the overall carbon impact of projects. They also reflect a positive shift in how our industry is thinking about resources and reuse. As with any building material though, understanding where ECO-BLOC® performs best can make sure that they’re used in a way that maximises their full potential. We’ve gone into a little more detail below so that you can make the right decision for your project.
ECO-BLOC® Blocks are concrete construction blocks created by combining a unique blend of cement, recycled fine aggregates and recycled coarse aggregates. The entire ECO-BLOC® range is made in compliance with UKCA British Standards and also meets the regulatory requirements needed for a broad range of structural applications; resulting in products that are both strong and sustainable.
One of the notable strengths of ECO-BLOC® Blocks is their versatility:
Their density and strength give them the stability required for both internal and external load-bearing walls.
They offer both structural integrity and insulation; contributing to energy-efficiency.
For block and beam floors that rely on solid foundations to support loads and finish levels, ECO-BLOC® provides a quick and economical solution.
ECO-BLOC® Blocks deliver useful thermal and sound insulation properties which makes them a good choice for spaces where comfort and noise reduction are required.
Their composition means that they can be utilised in below ground applications such as foundation support and substructure work.
For non-structural uses, such as material storage bays or temporary partitioning, ECO-BLOC® Blocks offer a solid solution that combines strength with weather resistance and durability.

A major advantage of building with ECO-BLOC® Blocks is the ability to factor in sustainable materials to your project from day one.
By incorporating reclaimed aggregates, ECO-BLOC® reduces the amount of waste that would otherwise go to landfill; closing the loop on a completely circular economy. This continues the lifecycle of materials and keeps your project (and company) environmentally-aware.
Replacing virgin aggregates with recycled materials helps to lessen the pressure on natural quarries and aggregate sources but can also result in significant cost savings overall. This is due to lower production and transport costs as well as saving on landfill fees and the aggregates levy.
Because SRC Group manages the entire production process, from sourcing recycled materials through to the manufacture of ECO-BLOC®, the quality and consistency can be maintained and supply timings can be planned to support your project’s timeline.
Whilst the possibilities are wide-ranging, several practical factors are worth considering when choosing ECO-BLOC® Blocks for your construction project.
Different densities of ECO-BLOC® mean different weights and handling characteristics. Planning for handling on-site is important, especially on projects where speed of installation and labour could affect costs. Solid Dense blocks are better-suited to structural applications, whilst Medium Dense versions offer easier manual handling.
ECO-BLOC® Blocks are strong and reliable but like any building product they need to be used in the right way. Things like load-bearing requirements and overall structural stability should always be checked against the project design and building regulations.
ECO-BLOC® Blocks are laid using standard masonry methods. As with any blockwork, basic knowledge of block sizes, mortar and laying techniques is important if used for DIY purposes.
Although ECO-BLOC® Blocks are versatile, there are some limitations that may influence project decisions.
ECO-BLOC® Blocks perform well across many building functions but they are one material among many. For certain specialised applications, such as structural elements needing load ratings beyond normal masonry limits or where alternative finishing systems are required; additional or different products may be needed.
Whilst recycled aggregates reduce reliance on virgin stone and sand, cement remains a key component of the block. Cement production is energy-intensive and contributes to carbon emissions, which means that ECO-BLOC® Blocks still carry some carbon footprint associated with cement use. A long-term assessment may be necessary for projects with strict low-carbon targets.
ECO-BLOC® Blocks provide high-quality insulation benefits but they are not equivalent to specialist insulation products or high-performance thermal panels. Additional insulation layers or complementary systems may be required to meet specific building-performance targets.
If you are looking to improve the carbon footprint of your project without compromising on strength and regulatory compliance then ECO-BLOC® Blocks could be for you. Their use in load-bearing walls, floors, storage bays and insulated applications shows that sustainability can be integrated into everyday construction projects without sacrificing durability or function. At the same time, awareness of their limitations, particularly around insulation, carbon content and application suitability, will make sure that design teams place them in the correct projects.
Our award-winning ECO-BLOC® range is the result of months of dedicated work across all departments at SRC Group and the resulting Blocks truly reflect our wider circular economy philosophy of transforming waste into high-performance, useable materials. For you, ECO-BLOC® Blocks offer a practical way to introduce sustainable construction materials into a wide range of applications; delivering buildings that are both durable as well as environmentally-responsible.
Find out more about ECO-BLOC® Blocks here or speak to one of our friendly team to see how our circular economy approach can benefit your project.
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