The present invention is a single ply building membrane comprising a single ply membrane with a base and a cap layer and a top and bottom surface, having a predetermined printed design on the cap layer, and a predetermined texture on at least one surface of the membrane. The membrane may comprise compounds selected from the group consisting of thermoplastics and thermosets. The printed and textured designs may be of a laid roof or siding. The invention includes a method of installing a single ply building membrane on a building surface and a method of manufacturing such membrane.