I made the mistake of buying the cheaper spray adhesive from Screwfix. All appeared fine until a few days later. Because of the hot weather we've been having lately in the UK, the headlining adhesive became unstuck! Result, sagging headliner. I had to remove the headliner which ended up useless so I had to buy some more material. I then used Fast Fix which is for high temperatures.

Buy cheap and end up paying more. I'll never learn.

 

Calet, thanks for sharing this. Just wondering, did you repair a sagging headliner or replace it with a new one?

Thanks John

 

I replaced the headliner, the foam had disintegrated. Bought 2 metres, 1.4 metres wide so that I'd have enough to do the side pillars.

 

Meant to say "Trim-Fix"