An asbestos curtain is a type of flame-retardant curtain made of asbestos fibers, which was used extensively in buildings until the 1980s. However, due to the health hazards associated with asbestos, it has been banned in many countries. Therefore, alternative materials have been developed and used in place of asbestos curtains. Some popular synonyms for asbestos curtains include flame proof curtains, fire-retardant curtains, and thermal insulation curtains. These curtains are made from various non-toxic materials such as fiberglass, ceramic fiber, and silicone coated fabric. They offer the same level of protection against fire and heat as asbestos curtains while also being safer and healthier for people and the environment.