US 11,746,526 B2
Steep slope roofing system
Ming Shiao, Basking Ridge, NJ (US); and Erica Sherman, Jersey City, NJ (US)
Assigned to BMIC LLC, Dallas, TX (US)
Filed by BMIC LLC, Dallas, TX (US)
Filed on Oct. 20, 2022, as Appl. No. 17/970,321.
Application 17/970,321 is a continuation of application No. 17/713,976, filed on Apr. 5, 2022, granted, now 11,492,804, issued on Nov. 8, 2022.
Claims priority of provisional application 63/171,821, filed on Apr. 7, 2021.
Prior Publication US 2023/0075576 A1, Mar. 9, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. E04D 1/30 (2006.01); E04D 1/22 (2006.01); E04D 13/00 (2006.01)
CPC E04D 1/30 (2013.01) [E04D 1/22 (2013.01); E04D 13/002 (2013.01); E04D 2001/308 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A roofing system comprising:
a steep slope roof substrate comprising:
a first region; and
a second region downslope of the first region;
a plurality of shingles above the first region of the steep slope roof substrate;
a treatment material above the second region of the steep slope roof substrate,
wherein the treatment material is configured to receive runoff from the plurality of shingles on the first region of the steep slope roof substrate,
wherein the runoff comprises:
water; and
at least one other component;
wherein the treatment material is configured to reduce a concentration of the at least one other component in the runoff,
wherein the treatment material comprises activated carbon; and
a water barrier material above the second region of the steep slope roof substrate so as to form a water barrier layer,
wherein the treatment material is above the water barrier layer.