Roofing shingles and methods for installing and making them

    公开(公告)号:US10676921B2

    公开(公告)日:2020-06-09

    申请号:US16147059

    申请日:2018-09-28

    摘要: One aspect of the disclosure is a shingle including a first bituminous sheet at the bottom surface of the shingle, the first bituminous sheet having a lower edge disposed at the lower end of the shingle, the first bituminous sheet having one or more slits extending from the lower edge of the first bituminous sheet toward the upper end of the shingle; and a second bituminous sheet at least partially laminated to a top surface of the first bituminous sheet, the second bituminous sheet having a lower edge disposed adjacent the lower end of the shingle, the second bituminous sheet having one or more tabs being defined by one or more notches formed in the second bituminous sheet, each notch extending away from the lower edge of the second bituminous sheet.

    Roofing shingle with enhanced shadowline appearance

    公开(公告)号:US10584493B2

    公开(公告)日:2020-03-10

    申请号:US15019566

    申请日:2016-02-09

    IPC分类号: E04D1/26 E04D1/22 E04D1/12

    摘要: A roofing shingle may include a shingle body having a buttlap portion with a butt edge and a headlap portion. An exposure zone may extend from the butt edge toward the headlap portion and may be configured to be exposed to the environment when the roofing shingle is installed on a roof. The butt edge may be variegated and may include at least one tab. A first shadowline may be on at least a portion of the at least one tab. A second shadowline may be in the exposure zone. The first and second shadowlines may differ from each other in at least one aspect.