The blocks come in a pre-formatted 42 block stretcher design to create a random paved appearance with no discernable clusters visible thereby saving design time and installer effort in creating a random pattern compared to hand laying.

Machine Lay Clusters Specification

Add two letter colour suffix to specify colour. For example, the code for an Alpha 80mm thick block in Charcoal (CL) would be NLAA80CLMLS for where machine lay product is required in a 42 block cluster.

Block Thickness (mm) Code
Plan Size
Blocks per m²
Area (m²) per pack Blocks per pack Cluster Size (mm) Pack weight (kg)

Mixed cluster

60 NLAA60--MLS mixed n/a 9.26 378 1225 x 840 1203
Mixed Cluster 80 NLAA80--MLS mixed n/a 7.20 294 1225 x 840 1254

All Machine Lay products are made to order

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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