They were particularly used extensively in the 1950s up to the mid 1980s.
Taking 5 before disturbing any building fabric in older properties can save your life or at least prevent debilitating diseases, including:
Asbestosis or fibrosis (scarring) of the lungs
Lung cancer
Mesothelioma, a cancer of the inner lining of the chest wall (or abdominal cavity).
If you suspect or are uncertain whether a material may contain asbestos, stop and seek advice.
The consequences of carrying on working, or thinking you will be okay, ARE NOT WORTH THE RISK.
Please watch this video from the CITB.