thanks for all of the help so far on my restoration it has been very helpful i am closing in on the end, i am trying to do my unassembled door panels on a 68 chevelle i see in the archives that one suggestion is to attach the cardboard to the metal is to use screws i assume he also used nuts on the cardboard side has anybody done these and have any techniques that would be helpful or any hints on any other part of the door panel project i just got started thanks Les

I just finished mine and they turned out sweet. I used pop rivits (steel) and on the backside (cardboard side) I used washers that I found in the pop rivet section at my local Home Depot. I also found that you don't want to glue the fabric to the panel where the rivets are. If you do you can see the rivet heads. I also took a hammer and dolley and slightly flattened the rivets down before final assembly.
Les

I have used the pop rivets successfully and they are invisible if you countersink the drilled hole so that the rivet sinks down into the hole a bit. Use the washers as stated above. For holding the folded over part of the upholstery, use hot melt glue to attach it to the upper metal thingie at the ends. Spray adhesive works well for most of the upper part where the upholstery wraps over the metal. Install the window fuzzy wiper with countersunk pop rivets and paint the heads black to hide them a bit.