RAAC in Schools – Nature asks CPT’s technical consultant Christian Stone ‘Why is concrete crumbling?’

Researchers say safety concerns over RAAC concrete in UK schools could be ‘the tip of the iceberg’.

More than 100 schools and public buildings in the United Kingdom are facing closure because of reinforced autoclaved aerated concrete (RAAC), a building material used extensively throughout the country and in many others between the 1950’s and 1990’s.