Yes, you can put foam backed plasterboard on a ceiling. Lots of people opt for this all-in-one option to save time and money.The next question that customers ask us is how to fix insulated plasterboard to a ceiling. It is important to use fixings that will drill through the plasterboard, the ceiling, and into the timber joists above. If you fail to do so, you could risk future accidents. To avoid this problem, you need to choose your insulated plasterboard thickness carefully.Older homes might have Artex ceilings. Artex is a surface coating that painters used to decorate ceilings until 1984. It used to contain asbestos. When Artex realised the dangers of asbestos, they removed it from the formula. If you drill through a ceiling that contains asbestos, you could release dangerous particles.If you want to install thermal board on your ceiling, you need to take all proper safety precautions.