he thanks man!
here's a picture from when we just got it. still a big mess in the back.
and here is a pic where you can see how the trim pieces (top right tan colored) hold the headliner in place. So I do think your solution might work for me. Just need to look into this material here in the netherlands.
was it expensive these frp panels?
hahahaha, and now I understand my own misunderstandig. I read 86 in your sig, while it is 68...but still,great writeup, should be made sticky for more people.