Jumbo Bloks
Jumbo Bloks are produced with the latest technology, offering a high degree of dimensional accuracy, making them ideal for use with Celfix mortar (Mortar).
Jumbo Bloks are made to sizes of 630 x 250 mm and are available in Solar Grade (2.9N/mm2), Standard Grade (3.6N/mm2), High Strength Grade (7.3N/mm2) and Super Strength Grade (8.7N/mm2).








Product Benefits
Produced from the same material as all H+H aircrete, they offer all the same performance characteristics.
Product Specifications
Jumbo Bloks | Solar Grade | Standard Grade | High Strength Grade | Super Strength Grade |
---|---|---|---|---|
Compressive Strength | 2.9N/mm2 | 3.6N/mm2 | 7.3N/mm2 | 8.7N/mm2 |
Thermal Conductivity | 0.11W/mK | 0.15W/mK | 0.18W/mK | 0.18W/mK |
Density | 460 kg/m3 | 600 kg/m3 | 730 kg/m3 | 730 kg/m3 |
Product Applications
Application | Suitability |
---|---|
Internal leaf of cavity walls | ✓ |
External leaf of cavity walls | ✓ |
External solid wall construction | ✓ |
Separating walls | ✓ (not Solar Grade) |
Partitions | ✓ |
Flanking walls | ✓ |
Multi Storey Buildings | ✓ |
Foundations/Below ground level (DPC) | ✓ |
Beam and Block Floors | ✗ |