US 12,366,069 B2
Roofing materials with synthetic roofing granules and methods of making thereof
Daniel E. Boss, Morris Township, NJ (US); Ming-Liang Shiao, Basking Ridge, NJ (US); and Luis Duque, Hackensack, NJ (US)
Assigned to BMIC LLC, Dallas, TX (US)
Filed by BMIC LLC, Dallas, TX (US)
Filed on Jun. 18, 2024, as Appl. No. 18/746,209.
Application 18/746,209 is a continuation of application No. 18/311,583, filed on May 3, 2023, granted, now 12,044,011.
Application 18/311,583 is a continuation of application No. 17/696,007, filed on Mar. 16, 2022, granted, now 11,680,409, issued on Jun. 20, 2023.
Claims priority of provisional application 63/161,483, filed on Mar. 16, 2021.
Prior Publication US 2024/0337103 A1, Oct. 10, 2024
Int. Cl. E04D 1/20 (2006.01); E04D 1/00 (2006.01); E04D 1/26 (2006.01)
CPC E04D 1/20 (2013.01) [E04D 2001/005 (2013.01); E04D 1/26 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A roofing material comprising:
a coated substrate having (i) a top surface, (ii) a back surface, (iii) an upper portion comprising a headlap portion, and (iv) a lower portion comprising a buttlap portion, wherein the buttlap portion includes a plurality of tabs;
a backer strip attached to the back surface of the coated substrate, wherein the backer strip has (i) a top surface and (ii) a back surface; and
a plurality of roofing granules applied to (i) the plurality of tabs of the buttlap portion of the coated substrate, and (ii) at least a portion of the top surface of the backer strip,
wherein the plurality of roofing granules comprises from 50% to 100% of unitary, uncoated, non-mineral based particles, the non-mineral based particles comprising at least one of a thermoplastic polymer, filled polymers, filled rubbers, filled plastics, a polymer-sand composite, a rubber particle, a wood filled polymer, a bio-based particle, a thermoset material, a fiber-reinforced polymer, and combinations thereof,
wherein the plurality of roofing granules are applied at an average surface coverage amount of the roofing granules of greater than 55%, with the plurality of roofing granules being exposed across (i) the plurality of tabs of the buttlap portion of the coated substrate, and (ii) the at least a portion of the top surface of the backer strip,
wherein the roofing material is configured to be installed on a roof to form a roofing system, and
wherein, when the roofing material is installed on the roof to form the roofing system, the plurality of roofing granules forms an exposed surface of the roofing system.