Originally Posted by J Mark
Does POR-15 count as an acceptable surface for Lizard Skin if scuffed. When I pulled the old factory padding out I became pretty concerned. No way was I taking any sanders to that surface. It had to be pitted at least half the thickness of the roof. Quick cleaning with a scuff pad then POR-15. Those factory pads are like sponges holding condensation in against the roof.
Yea I would find a good fiberglass man, epoxy resin and a few layers of mat and cloth fiberglass will repair and strengthen your iner roof, and if done properly it will outlast your car.
I will be doing the same for my longroof cause my gutter are rotted out. Hopefully this helps.