If asbestos products are in a good condition and are left alone, the chances of fibres being released into the air are very low.
However, if products are in poor condition fibres can be slowly released into the air, and can be inhaled. Over time this can cause significant build up of fibres in the lungs, and future ill health.
If the asbestos materials are disturbed during maintenance, demolition or refurbishment, it is likely that fibres will be released into the air, and affect those doing the work, and anyone using the building after the work is complete. Over time, construction workers could potentially disturb asbestos on many projects, leading to a significant build up of fibres in the lungs, and future ill health.