H+H Celcon Solar Aerated Concrete Block 2.9N 100mm Pack of 120

This highly efficient block (thermal conductivity of just 0.11 W/mK) is sufficiently loadbearing for two storey buildings and can be used below DPC. Identified by the distinctive painted blue line, Celcon Solar Grade has a compressive strength of 2.9N/mm2 and is principally used where enhanced thermal performance is required. Internal and external leaf of cavity walls Solid walls Partitions Flanking walls Below DPC