Patent ID: 11946254
Assignee: BMIC LLC
Field: Civil engineering (Other fields)
Classification: CPC C  E  D | IPC D  E

Claim 19:
20. A roofing system comprising:
(a) a first roofing shingle comprising:
(i) a coated substrate that is coated on a front surface and a back surface with a coating that comprises at least one of an asphaltic coating, a non-asphaltic coating, a polymer-modified asphalt coating, or a combination thereof;
(ii) a backer strip attached to the back surface of the coated substrate; and
(iii) a single sealant applied to the backer strip of the coated substrate,
wherein the single sealant is a non-asphaltic sealant that is free of asphalt, and
wherein the single sealant exhibits a minimum activation temperature (° C.) (tan δ>1) from −10° C. to 0° C.; and

(b) a second roofing shingle, wherein the second roofing shingle is adhered to the first roofing shingle via the single sealant.