The RAAC Concrete Problem

The RAAC Concrete Problem

Feargus O'Sullivan   /  Source:  Bloomberg

Image courtesy of UK Government.

British schools are crumbling due to an aerated material that was popular after World War II. The issue centers around “reinforced autoclaved aerated concrete,” a material known more widely as RAAC, which can become dangerous if exposed to water.

The government said that 174 schools contain concrete at risk of collapse, up from its previous estimate of 147. 

Since the scandal broke in late August, it’s emerged that RAAC has also been used in airports and other public sector buildings in Britain such as hospitals and even in parliament...

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