Natural limestone, visible in the finish.
Every bloc carries the character and variation of the stone it comes from.
Natural limestone · A new way to build
A more natural way to build.
We bring the character of natural limestone into a practical building block, designed to make it easier to create beautiful, durable buildings.
Discover RocBloc® A material with purpose ↓
Natural stone character, made for the way we build today.
What we believe
The wall can do more with less.
RocBloc® brings structure and finished appearance together in one natural limestone block. Fewer layers can mean a simpler route from design to finished wall, with the texture and variation of real stone at the heart of the result.
A considered building format.
Consistent dimensions help make planning, specifying and laying more straightforward.
Structure and finish, together.
One material can form the wall and its finished surface, depending on the project design.
A different kind of building block
Made to be seen. Made to be built with.
We set out to make natural limestone work in a more practical, consistent format. RocBloc® is designed for people who want the material itself to be part of the architecture, from the first specification through to the finished wall.
Meet the productA lower-carbon choice
Build with natural material. Use less processing.
Our published comparison shows RocBloc® with a lower carbon footprint than traditional clay bricks. Visit the Low Carbon page for the comparison and its supporting detail.
Explore the carbon information55–86%
lower carbon footprint than traditional clay bricks, as stated in the current RocBloc® comparison.
The essentials, at a glance.
Explore the full dimensions, finishes, strengths and laying information on the product page.
01440 × 215 mmstandard face sizeRocBloc®
0260–200 mmavailable depths5 options
037.5–42 kNcompressive strength, depending on finish3 finishes
04~10 blocs / m²at 100 mm depth100 mm
For everyone shaping a project
One material. Many perspectives.
Whether you are developing a design, supplying materials or building on site, we can help you find the right information and next step.
01
Architects and specifiers
Explore dimensions, finishes and performance for your design.
02
Merchants and distributors
Talk through the range and supply options for your customers.
03
Builders and contractors
Plan the material, quantities and laying approach for your project.
04
Developers and self-builders
See how natural limestone could work in your building plans.
Start with a conversation
Let’s find the right bloc for your project.
Tell us what you are planning and we can help with product information, quantities and the next steps.