US 11,808,041 B2
Impact resistant roofing systems and methods
Yan Zheng, Livingston, NJ (US); Adem Chich, Kearney, NJ (US); and Yixi Xiao, Edison, NJ (US)
Assigned to BMIC LLC, Dallas, TX (US)
Filed by Building Materials Investment Corporation, Dallas, TX (US)
Filed on Aug. 5, 2021, as Appl. No. 17/394,452.
Application 17/394,452 is a continuation of application No. 17/147,039, filed on Jan. 12, 2021, granted, now 11,085,189.
Claims priority of provisional application 62/977,965, filed on Feb. 18, 2020.
Claims priority of provisional application 62/960,216, filed on Jan. 13, 2020.
Prior Publication US 2021/0363757 A1, Nov. 25, 2021
Int. Cl. E04D 11/00 (2006.01); E04D 11/02 (2006.01); B32B 3/30 (2006.01); B32B 27/32 (2006.01); B32B 27/08 (2006.01); E04D 12/00 (2006.01); E04H 9/14 (2006.01); B32B 7/12 (2006.01)
CPC E04D 11/02 (2013.01) [B32B 3/30 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); E04D 12/002 (2013.01); E04H 9/14 (2013.01); B32B 2419/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A roofing system, comprising:
a deck;
a substrate positioned over the deck, the substrate including:
an upper surface exposed to an outer environment; and
a plurality of surface features positioned across the upper surface;
wherein the substrate comprises a roofing membrane;
wherein the surface features are exposed to the outer environment and are arranged across the upper surface so as to intercept an object striking the substrate;
wherein each of the surface features comprises an impact resistant material and is configured to reduce an energy of an impact of the object striking the substrate;
wherein the surface features comprise hemispherical, pyramid, or triangular shaped structures, or combinations thereof, and have a height of ¼ inches to 6 inches above the upper surface of the substrate; and
an underlayment positioned between the substrate and the deck.