Perth and Kinross Council replacing 'crumbly concrete' panels in Perth school roof

dailyrecord.co.uk:

Work is under way to replace Reinforced Autoclaved Aerated Concrete (RAAC) panels in the roof of Perth Grammar School. The school will open to staff and pupils next week with a full range of health and safety controls in place.Perth and Kinross Council is the latest council to reveal the discovery of RAAC in one of its buildings.

RAAC has a shelf-life of around 30 years and can be weakened by water ingress, with the risk of structural collapse.West Lothian Council was the first Scottish council to flag the issue and others - including Edinburgh City Council - have since taken action.

Pupils at two Edinburgh primary schools will be taught in temporary classrooms after RAAC was found in the roofs of Trinity and Cramond primaries.RAAC has been used in schools, hospitals and other publicly owned buildings across the UK.RAAC is a lightweight form of concrete used in the construction of roofs, floors, cladding and walls from the 1950s to the 1990s in the UK.This week Perth and Kinross Council revealed RAAC had - to date - been found in one of its schools with work under way to replace the RAAC roof panels.A PKC spokesperson said: "To date, RAAC has been found in one school.

Safety measures are in place to ensure there is no risk to building users and work is currently under way to remove the panels."When asked which school, the spokesperson responded: "RAAC has been used originally on the roof of Perth Grammar School.