Ceiling Linings

[jakespop]

I have an existing premises where some of the offices have a partrial suspended ceiling of what looks like fibreboard slats. Has anyone any experience of what material this might be? I think it is probably in excess of 20 years old but I cannot confirm the material.The structural horizontal resistance is still in intact and this suspended material seems to be for effect or perhaps insulation.
 My concern is that it may well have to be removed as it would not reach Class 1 standard. However, these are small offices.
 I would be grateful for anyone to share an opinion including if it is possible to treat/paint.

[kurnal]

How small are the offices?
Has an asbestos survey been carried out?
Can you pinch a bit and try an ad hoc test to see if it burns ?

[John Webb]

I think it more likely that the suspended ceiling was installed to provide acoustic control and possibly light fitting positioning.

I understand such ceilings ought to be Class 1 surface spread of flame graded (or better), but of course if overpainted may not now comply.

You might possibly find the odd maker's label on the upper surface of a few tiles; try a few random selections.