US 12,168,873 B2
Asphalt shingle waste coatings in roofing materials
Matti Kiik, Dallas, TX (US); and Richard A. Nowak, Dallas, TX (US)
Assigned to BMIC LLC, Dallas, TX (US)
Filed by BMIC LLC, Dallas, TX (US)
Filed on Oct. 5, 2023, as Appl. No. 18/481,716.
Application 18/481,716 is a continuation of application No. 18/331,806, filed on Jun. 8, 2023, granted, now 11,795,691.
Application 18/331,806 is a continuation of application No. 17/970,416, filed on Oct. 20, 2022, granted, now 11,713,578, issued on Aug. 1, 2023.
Application 17/970,416 is a continuation of application No. 17/675,913, filed on Feb. 18, 2022, granted, now 11,512,471, issued on Nov. 29, 2022.
Prior Publication US 2024/0060305 A1, Feb. 22, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. E04D 1/20 (2006.01); D06N 5/00 (2006.01)
CPC E04D 1/20 (2013.01) [D06N 5/003 (2013.01)] 20 Claims
OG exemplary drawing
 
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.