RAAC in Schools: Solution to Access

Easiaccess are assisting modular building providers, construction companies and schools with our reliable access solutions for those tackling the RAAC problem. In the world of construction and sustainable building materials, Reinforced Autoclaved Aerated Concrete (RAAC) has garnered significant attention and debate. RAAC is praised for its lightweight properties, energy efficiency, and environmental benefits, but has recently faced criticism and concern regarding its structural integrity and potential health hazards. In this blog post, we will delve into the issues associated with RAAC, shedding light on the problems that have sparked debates and discussions within the construction community and how we at Easiaccess are helping schools and businesses get back on track.

What is RAAC?

RAAC, short for Reinforced Autoclaved Aerated Concrete, is a lightweight, precast concrete material that incorporates air bubbles through a process called autoclaving. Autoclaving involves subjecting the concrete mixture to high-pressure steam, resulting in the formation of numerous tiny air pockets within the material. These air pockets give RAAC its unique lightweight properties, making it a popular choice in construction. This form of concrete was used extensively in the construction of roofs, floors, cladding and walls between the 1950’s to the 1990’s.

Why is it a safety risk?

One of the primary concerns raised by experts and industry professionals is the structural integrity of RAAC. Unlike traditional concrete, RAAC is significantly lighter due to the presence of air bubbles created during the autoclaving process. While this lightweight characteristic has its advantages, it raises questions about the material’s strength and suitability for certain construction projects. Additionally, RAAC can be more susceptible to cracking than conventional concrete, which can compromise a building’s structural integrity over time. Factors such as freeze-thaw cycles and moisture can exacerbate this problem, potentially resulting in expensive repairs.

Another challenge associated with RAAC pertains to its long-term durability and resilience against environmental factors. Despite its insulation properties, RAAC may encounter difficulties in preserving these attributes over extended durations. Moisture-related issues are a notable concern, as RAAC’s porous structure can render it susceptible to moisture infiltration, resulting in gradual degradation and diminished thermal performance. This vulnerability is particularly pronounced in regions characterized by high humidity or substantial rainfall.

How are Easiaccess helping with the RAAC issue?

Easiaccess are on-hand assisting modular building providers, construction companies and schools with our reliable access solutions. Schools all over the UK are now required to ensure their buildings are regularly monitored, to ensure RAAC, where identified, is safe and to close any part of the building that has any defects or cracks. As a result of this, many educational sites are now under-going construction or needing new temporary classrooms in the form of modular buildings and cabins. Whether relocating to a new part of the campus, or to a temporary classroom, ensuring safe access for all children and staff to these classrooms is essential. Our class leading access solutions can be installed quickly, in any weather and using a modular system ensures a reduced carbon footprint, as all components will be reused.

Easiaccess have been providing modular ramps and step units to schools, colleges, and universities throughout the UK. Contact us today to find out how we can help you.


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