According to one aspect, a roof membrane is provided. The roofing membrane includes a main body, a first adhesive material, and a second adhesive material. The first adhesive material is bonded to a top surface of the main body and positioned toward a first edge thereof. The second adhesive material is bonded to the top surface of the main body and positioned toward a second edge thereof. The second edge is positioned opposite the first edge such that the first and second adhesive materials are positioned toward opposite edges of the main body and the same surface thereof.