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RAAC: What does it mean for schools?
The issue of reinforced autoclaved aerated concrete (RAAC) has become a topic of conversation due to instances of school buildings collapsing or posing potential risks within communities and the education sector.
What is RAAC?
RAAC is a lightweight form of concrete that was popular from the 1950s until the 1990s due to its energy efficiency. This type of concrete is more commonly found in roofing structures. However, recent assessments suggest that water can gradually weaken this material. The life expectancy of this material is thought to be 30 years so buildings which haven’t been evaluated stand at risk of structural deterioration and potentially collapsing.
What makes it a safety concern?
Compared with reinforced concrete, RAAC is less durable and susceptible to deterioration over time. Concerns have arisen around the structural stability of buildings constructed with RAAC, this is due to sudden roof collapses as the life expectancy of this concrete type is thought to have expired.
What does this mean for students?
The safety of students remains paramount. Unless told otherwise, it is safe for students to attend school. In cases where schools are directly affected by RAAC concerns, they may be temporarily closed until deemed safe for students to return.
The students who are affected may be required to continue with their studies either in a temporary building or at home online.
How many schools are affected?
A list of schools that are potentially impacted by RAAC-related concerns is freely available and can be accessed through many articles (see example).
A safer alternative for your school
This RAAC issue serves as a reminder of the critical significance of prioritising safety and structural integrity in not only the education sector but all sectors.
As schools nationwide address this issue, new alternatives need to be considered, whether this involves home-based learning or relocating to a safer environment.
While the RAAC issue remains a concern, it also offers an opportunity to reaffirm our commitment to creating environments where safety and structural reliability are paramount.
For more information on RAAC What does it mean for schools talk to Wernick Buildings Ltd