My headliner has become detached in the rear beginning at the top of the rear windshield. Before I just use super glue I was wondering if there is a better, more permanent solution before this decides to spread and frustrate me further

 

Search for info on Suede installs - look around here and over on AZ

Thats the best thing you should do - or you can get some fabric spray glue, see the suede diy's and use the same stuff they do.

 

Yeah I've seen the spray adhesive used for headliners and as long as you let it set/dry the right amount of time, it's good. Use superglue and you may see what looks like wet spots bleeding through the headliner.

 

My headliner's holding strong so far (been 4 weeks) with Loctite brand fabric spray adhesive. I used too much though and it did bleed through. It's not noticable unless you're looking for it.