CPC E04D 1/20 (2013.01) [D06N 5/003 (2013.01)] | 20 Claims |
1. A roofing system comprising:
a roof substrate; and
at least one roofing shingle,
wherein the at least one roofing shingle is located on the roof substrate;
wherein the at least one roofing shingle comprises:
an asphalt coating;
a substrate; and
an asphalt shingle waste coating;
wherein the substrate of the at least one roofing shingle is located between the asphalt coating and the asphalt shingle waste coating;
wherein the asphalt shingle waste coating is located between the substrate of the at least one roofing shingle and the roof substrate;
wherein the asphalt shingle waste coating directly contacts the roof substrate;
wherein the asphalt shingle waste coating comprises an asphalt shingle waste;
wherein the asphalt shingle waste comprises a waste asphalt and a limestone;
wherein the asphalt coating is substantially free of the asphalt shingle waste;
wherein at least a portion of the asphalt coating is an exposed surface.
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