Is there any standard thickness of sheet steel that is appropriate for this? Car is 1990 BMW 318is to be used as historic rally car and will have a cage.
I plan to remove the headlining and sunroof cassette, then plating over the sunroof aperture with a wide margin. Should I put additional plates at each of the corners on the inside in order to stiffen them up, and possibly bond some small angle to the underside of the main plate for stiffness? I’m going to plate in a single sheet of flat steel with the minimum of shaping required, and pop rivet around the perimeter at 50mm intervals. Usually people use silicon sealant to seal this up but I’m considering using Gripbond Pro adhesive on the overlap and some seam sealer on the inside. The exterior of the sunroof will be rattle canned and for the inside I was going to cover with a bit of foam camping mat and glue on a dark grey carpet tile where it is visible through the original headlining hole.
Anybody done this before can give me any pointers? Cheers.
I plan to remove the headlining and sunroof cassette, then plating over the sunroof aperture with a wide margin. Should I put additional plates at each of the corners on the inside in order to stiffen them up, and possibly bond some small angle to the underside of the main plate for stiffness? I’m going to plate in a single sheet of flat steel with the minimum of shaping required, and pop rivet around the perimeter at 50mm intervals. Usually people use silicon sealant to seal this up but I’m considering using Gripbond Pro adhesive on the overlap and some seam sealer on the inside. The exterior of the sunroof will be rattle canned and for the inside I was going to cover with a bit of foam camping mat and glue on a dark grey carpet tile where it is visible through the original headlining hole.
Anybody done this before can give me any pointers? Cheers.
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