Both Heathrow and Gatwick airports both have RAAC which was used during the 1950s and mid-1990s and has a "bubbly" texture. It was used mainly in roofs and sometimes in floors
Interactive map shows all the schools with dangerous RAAC that could collapse birminghammail.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from birminghammail.co.uk Daily Mail and Mail on Sunday newspapers.
Thousands of pupils started the new school year in confusion this week while the wait continues for a full list of schools affected by the the concrete crisis as a bitter blame game erupted