But there is another – potentially dangerous – complication. Several hospitals across England are at risk of collapse, with roofs propped up with scaffolding and posts, because they were built using reinforced autoclaved aerated concrete (RAAC) – a lightweight concrete with bubbles inside like “a chocolate Aero bar”. www.bbc.co.uk
But there is another – potentially dangerous – complication. Several hospitals across England are at risk of collapse, with roofs propped up with scaffolding and posts, because they were built using reinforced autoclaved aerated concrete (RAAC) – a lightweight concrete with bubbles inside like “a chocolate Aero bar”.
www.bbc.co.uk