1972 Dart Headliner board install.

swingingdart said

Okay, I'm getting things lined up to apply the foam backed fabric to the board this weekend, I have another stupid question. There are slits in the board at each corner, do I cut the fabric to have these slits as well, or do I cover the borads slits? (I hope this makes sense!)

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For me, that was one of the trickiest parts. If you flatten all those flaps out before you adhere your fabric, when you press it up into the roof, it will have a crease, but if you glue the fabric with flaps folded in too tight, you can run into an issue keeping the headliner in the trim (which happened on my passenger side A-Pillar). You have to get it the fabric glued down in roughly the shape when installed to avoid a crease in those spots.