I've had this twice now. First time it was sagging round the sunglasses holder then starts to go round the sun visors.
I tried to glue it and it looked a mess. If the foam has separated the glue soaks straight through the material
When I looked at mine it was clear it hadn't come unstuck but was the thin foam had broken down separating the material.
It took ages to source a good condition replacement from the breakers, it looked good for 6 months and now its happening again in the same place.
I've been told by the dealer a 5dr anthracite headliner is no longer produced and not available, not tried anywhere else yet.
So as others have said if you're doing the job, watch the ribbon wiring on the reverse, especially at the sunvisor mount its easy to tear this, dont leave the headliner hanging on the wiring. Make sure the wiring is correct if swapping (illuminated mirrors, interior monitor etc)
Im thinking of adding some stick on type heat insulation to the underside of my roof when I tackle the job again as an extra measure.
Possibly having the original re covered if I cant find any good replacements, they're all probably on borrowed time now due to age.
Has anyone seen the pre cut covers on e bay? was wondering how the stitching lines stay straight if you have to stretch it round the contours of the backing board and how awkward it would be having the pre cut holes?
Any thoughts?