Ever use Pliobond? You can thin it with MEK with excellent results supposedly, but I've never tried it.
In Vol. 8 of Juptner's Civil Aircraft series, he describes the interior panels as blue mohair on thin fibreglas. I don't think I could handle that :shock:
If I remember correctly, my interior didn't have full-length panels, it was vinyl stretched down the sides and glued to the window frames. The bottom was on some thin fibrous boards that I fortunately kept.
Looks like I'll install the seat slings tonight. I expect to be covered with Pliobond head to foot. Yuck. :lol: