What have you used to seal the door hinge bolt holes??

[green69rt]

I'm getting to the point where I need to mount my doors for the last time (optimistic aren't I  ) and wondered if there is any type of sealant used on the door hinge bolt holes?   Whatever was used when the car was built is long gone so I have nothing to reference.  It probably has to be somewhat flexible, otherwise every time the doors would get adjusted the seal would be broken.  I thought of using seam sealer but that would set up pretty hard and not allow me to adjust the door.  So what have you guys used??

[cdr]

3m strip caulk

[green69rt]

3m strip caulk

Any idea where to get some?

Edit: found it at O'Reilly's.  Thanks Charlie.