Durox Supabloc 7
Durox Supabloc 7 is suitable for more demanding loadbearing situations, whilst retaining the characteristic low weight of aircrete. It can also be used in separating walls, including those conforming to Robust Detail E-WM-6. To aid identification, Durox Supabloc 7 is colour coded black on one end of the block.
Technical properties
- Manufactured to BS EN 771-4
- Average compressive strength: 7.3N/mm²
- Dry density: 680kg/m³
- Thermal conductivity (at 3% mositure): 0.19W/mK
- Reaction to fire: Class A1
- Typical airtightness: 0.12 m³/(h.m²) at 50 PA
- Block size: 620mm long x 100-215mm (various widths) x 215mm high
Sizes & weights for Supabloc 7 (7.3N/mm²)
| Block width (mm) | 100 | 115 | 125 | 140 | 150 | 190 | 200 | 215 |
| Unit weights (kg) | 9.3 | 10.7 | 11.7 | 13.1 | 14.0 | 17.7 | 18.7 | 20.1 |
Unit weights are approximate and based on 3% moisture content
Other sizes may be available in the foundation range.
Find out more
Download the Topblock Durox Aircrete Blocks Brochure (pdf, 1029kb)
See all Durox applications


