Asbestos is a naturally occurring mineral that was widely used in various building materials in the UK from the 1950s to the mid-1980s. It was used in a wide range of products, including insulation, floor tiles, roofing, and cement products. At the time, asbestos was considered a versatile and durable substance that could withstand high temperatures and was resistant to fire, so it was widely used in the construction industry.

However, asbestos is now known to be a dangerous substance. When asbestos-containing materials are disturbed or damaged, they can release tiny fibres into the air that can be inhaled. These fibres can cause serious health problems when they accumulate in the lungs and other organs over time.