Abstract: A vehicle roof assembly is provided including a substantially transparent panel having an outer periphery and opposing inner and outer surfaces. The roof assembly also includes a preformed, one-piece support member having opposing upper and lower surfaces defining an opening, and a stepped region configured to mate with and thereby support the substantially transparent panel such that the substantially transparent panel covers the opening and the outer surface is flush with the upper surface of the support member. A trim member is disposed about the outer periphery of the substantially transparent panel to create a water-tight seal. The stepped region preferably extends continuously about an inner periphery of the support member to engage with the entire outer periphery of the substantially transparent panel. A headliner trim member preferably attaches a headliner to the stepped region such that the support member is substantially nonvisibile from the inside of the vehicle.