Star Performer® Cellular Aggregate Blocks

A multi-purpose, high-performance block designed for strength, insulation, and sustainability

Star Performer® is a versatile, innovative, all-in-one aggregate block for housebuilders. It can be used for the external and internal leaves of cavity walls below and above the damp proof course levels. With 24% voids, it delivers a more sustainable solution that contributes to the requirements of the Future Homes Standard. It is also the only cellular block that can be used in party walls between separate dwellings.

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The Star Performer is designed as a one-block, on-site solution that simplifies construction while maintaining high standards of strength and efficiency. It is ideally suited for cavity walls, partitions, and below DPC applications, providing builders with a versatile, easy-to-use product that enhances both structural and environmental performance.

With sustainability at its core, Star Performer supports Holcim UK's commitment to reducing energy use and greenhouse gas emissions by 5% year-on-year. It meets strict environmental regulations and is responsibly sourced, making it a preferred choice for projects focused on longevity and eco-friendliness.

Additionally, its compliance with BS EN 771-3 and ISO 9001 ensures consistent quality, while its semi-dry manufacturing process guarantees structural integrity.