Concrete Cancer

Check your building façade for signs of cracked or spalling concrete.

Concrete cancer is caused when the steel reinforcing within a concrete slab begins to rust. As the steel rusts, it expands and displaces the surrounding concrete; causing it to become brittle and crack which exacerbates the issue.

Signs of concrete cancer include:

  • Delaminated and cracking concrete (concrete spalling)
  • Rust stains which seem to leak out from within the concrete
  • Bubbling (also called plating) of concrete render
  • Leaks which appear in overhead concrete surfaces

A range of factors can contribute to concrete cancer

Your building may have spalling concrete for a number of reasons, including:

  • A poorly-poured substrate which has allowed moisture to seep into it through cracks and voids
  • Inadequate preparation of the reinforcing steel when the original concrete was poured.
  • The ends of the reinforcing are too close to the surface. In heavy rains, water may seep through causing lime and other chemicals in the steel to oxidise.
  • Incompatible metals being used in close proximity to each other, thus causing a reaction which allows water into the slab
  • Stress fractures from bearing weight or general wear-and-tear allow water to penetrate the concrete and react with the steel

To discuss your building and concerns about concrete spalling, concrete cracking and concrete cancer.

CONTACT US

WE’RE HERE TO HELP

Contact us for more information and to arrange a quote.

CONTACT US

WHAT YOU SAID

LATEST NEWS

Stay up to date on the latest thoughts, trends and news in building repair and maintenance

How to fix concrete cancer - Remedial Building Services
Ways to fix concrete cancer

23 May 2022. By Jeff Anderson

Once you find evidence of concrete spalling or concrete cancer, you need to act to prevent ongoing damage. Learn what you need about your options and how to fix concrete cancer.

Use our Commercial Building Maintenance Checklist to help you stay on top of your structural repair needs
Commercial Building Maintenance Checklist

26 April 2022. By Lubosh

Preventative maintenance is also called facility maintenance. We've compiled a checklist of proactive building maintenance tasks that will help you ensure you undertake maintenance and checks proactively and that assets are in optimal working condition.

The Benefits of Carbon Fibre in Existing Structures

11 March 2022. By Members of Remedial Team

Carbon fibre reinforcement is a high-performance and strength amplifying product that has advantages over steel. Learn more.