A roofing panel includes a front surface, a top surface, a bottom surface, a right-side surface, a left-side surface and a rear surface, the front surface, the top surface, the bottom surface, the right-side surface, the left-side surface and the rear surface include a waterproofing membrane. A plurality of top perimeter edges, the plurality of top perimeter edges include substantially concave bevels. A plurality of bottom perimeter edges, the plurality of bottom perimeter edges include substantially convex bevels. The bottom surface of the roofing panel includes an adhesive for adhering the roofing panel to a roof deck.