RAAC: Concrete used in 1950s would last "30 years" - ÃÛÑ¿´«Ã½ Sounds

RAAC: Concrete used in 1950s would last "30 years" - ÃÛÑ¿´«Ã½ Sounds
RAAC: Concrete used in 1950s would last "30 years"
Derby-based building firm boss Ian Hodgkinson explains the problems with RAAC.