Patent ID: 6748714
Filing Date: 2004-06-15
Classification: E04D,Y10T

Abstract:
A trilaminate shingle having a horizontal longitudinal orientation, the shingle comprising:an overlay sheet, the overlay sheet having series of tabs and cutouts extending horizontally across the shingle; a middle sheet having a series of tabs and cutouts extending horizontally across the shingle, such that all of the middle sheet cutouts are narrower horizontally than the overlay cutouts; and an underlay sheet beneath the middle sheet; wherein the middle sheet is laminated beneath the overlay so that portions of the middle sheet, including at least some of the middle sheet cutouts, are exposed through the overlay cutouts; wherein the underlay is laminated beneath the middle sheet so that portions of the underlay are exposed through the middle sheet cutouts and through the overlay cutouts; and wherein the exposed portions of the underlay sheet are generally darker than the middle sheet.