# Cellular Concrete Block – 100mm – 7N – Star Performer

The Besblock Star Performer is a multi-purpose, one-block, on-site solution aimed essentially at the domestic housing market. When using the Star Performer block, particularly for house building, a one-block solution is accomplished as the Star Performer meets the required criteria for Inner leaf of external wall, sound resisting separating (party) walls, infill units for beam and block floors, and use below the damp-proof course level.

**Benefits**

-   Meets all criteria for airborne sound transmission (link to RD section)
-   Suitable for the inner leaf of external walls with cavity insulation. (Thermal performance is almost equal to that of a 100mm Solid Medium Density type block, which is 45% better than a solid dense block)
-   Suitable for beam & block flooring application 
-   Suitable below DPC in normal soil conditions
-   Strengths up to 10.4 N/mm2
-   Easy to handle
-   Cost effective
-   One block makes for ease of site supervision
-   Incorporates 15% of recycled aggregate

## Details

- **Price:** 1.53 GBP
- **Vendor:** BESBLOCK LIMITED (C55F) (HOLCIM UK LIMITED)
- **Type:** Hollow Blocks
- **Tags:** Blocks, Building Materials, Hollow Blocks, Local

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1.53 GBP | In stock |

## Images

- Cellular Concrete Block – 100mm – 7N – Star Performer

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> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/concrete-block-100mm-7n-cellular-star-performer-90-per-pack-18-per-layer)
> Updated: 2026-06-23