Permeable Aggregates

As a long established manufacturer and supplier to the built environment, Brett is a key player in the development of SuDS solutions, including permeable paving jointing material, for use within SuDS design.

The Brett sub-base aggregates shown here are capable of seamless integration into most SuDS projects to help enhance water quality, minimise flood risk and improve the management of our most valuable natural resource - water.

These aggregates have been specifically selected for use in permeable pavements to comply with the requirements laid out in the British Standards and Interpave guidance documents.

We operate in compliance with EU and national standards and pursue rigorous control policies in line with our BES 6001 Responsible Sourcing of Construction Products Certification.

Brett Landscaping can supply aggregates suitable for use in a permeable pavement in the following sizes*:

AGCH06MX Permeable 2/6mm laying course Maxi bag

*4/40mm and 10/63mm can also be supplied on request


Additional Information

For even more information why not visit our Knowledge Hub?

Brett Landscaping partner with NBS to provide complete NBS Plus product listings to help specify our products into your next project. Simply select, copy and paste the relevant NBS Clauses below into your document using standard web editing tools.

We are also working with The NBS to provide a full suite of BIM objects for our products within the National BIM Library. Any of our BIM objects can be accessed via the National BIM Library and imported into a variety of commonly used BIM environments.

Please use the links below to access this information.

Generating bespoke permeable pavement designs for SuDS applications. PermCalc is a powerful software tool to help paving professionals design cost effective permeable pavement solutions for SuDS applications quickly and easily.




All Brett Landscaping products have been extensively tested and proven to conform to the relevant European Standard(s), where they exist ensuring that they are safe to use and fit for purpose. If you want to obtain a copy of the CE Certificate or Declaration of Performance (DoP) relating to the Brett products you have purchased please click here and enter the product name into the relevant field.

Should you have any questions regarding these certificates, or the technical specification for any of our products, please contact the Brett Landscaping Technical Services Department by e-mailing or calling 0345 60 80 579. Please note – CE certification is not required for any materials where there is no harmonized European product standard available.


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