Abstract: An exemplary roofing system for covering an existing shingle roof with an exposure height measured between bottom edges of adjacent courses is disclosed. The roofing shingle system comprising includes a plurality of reroofing shingles. The reroofing shingles have an exposure portion extending from a top edge to a bottom edge for a height that is at least the exposure height of the existing shingle roof. At least one course of reroofing shingles is installed on at least one course of the existing shingle roof, wherein the course of the existing roof is covered by the at least one course of reroofing shingles. The top edge of the reroofing shingles abuts the bottom edge of the adjacent course of existing shingles.

Abstract: An exemplary shingle includes at least one coated shingle sheet defining a headlap portion and a tab portion each having opposed upper and lower surfaces. A first line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a first thermally activated adhesive material. A second line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a second thermally activated adhesive material having a minimum activation temperature less than a minimum activation temperature of the first thermally activated adhesive material.

Abstract: A laminated roofing shingle includes an overlay sheet, an underlay sheet secured to the overlay sheet to define a two-layer portion of the shingle, and a tape member secured on a front surface of the headlap portion of the overlay sheet by an asphalt coating of the overlay sheet, with the tape member being positioned such that at least a portion of the tape member is adhered to a single layer portion of the shingle. The shingle further includes a granular material secured to the front surface of the headlap portion of the overlay sheet, with no granular material adhered to the tape member, such that a portion of the overlay sheet carrying the tape member has a smaller thickness than a portion of the overlay sheet carrying the granular material.

Abstract: An exemplary prefabricated offset shingle includes a headlap portion extending from a top edge to a nail zone, a tab portion extending from the nail zone to a bottom edge, the headlap portion and the tab portion extending between first and second side edges. Two transverse cuts extend from the bottom edge to the headlap portion, and frangible lines of weakness in line with the transverse cuts extend from the transverse cuts to the top edge. The cuts and lines of weakness separate the shingle into first, second, and third offset portions having first, second, and third widths.

Abstract: An exemplary roofing system for covering an existing shingle roof with an exposure height measured between bottom edges of adjacent courses is disclosed. The roofing shingle system comprising includes a plurality of reroofing shingles. The reroofing shingles have an exposure portion extending from a top edge to a bottom edge for a height that is at least the exposure height of the existing shingle roof. At least one course of reroofing shingles is installed on at least one course of the existing shingle roof, wherein the course of the existing roof is covered by the at least one course of reroofing shingles. The top edge of the reroofing shingles abuts the bottom edge of the adjacent course of existing shingles.

Abstract: An exemplary prefabricated offset shingle includes a headlap portion extending from a top edge to a nail zone, a tab portion extending from the nail zone to a bottom edge, the headlap portion and the tab portion extending between first and second side edges. Two transverse cuts extend from the bottom edge to the headlap portion, and frangible lines of weakness in line with the transverse cuts extend from the transverse cuts to the top edge. The cuts and lines of weakness separate the shingle into first, second, and third offset portions having first, second, and third widths.

Abstract: A roofing shingle includes an asphalt-coated sheet and a reinforcement member. The asphalt-coated sheet includes a shingle mat and an asphalt coating applied to the shingle mat. The asphalt-coated sheet has a lower tab portion normally exposed on a roof and an upper headlap portion normally covered-up on a roof. At least a portion of the asphalt-coated sheet is coated with granules. The reinforcement member is adhered to the asphalt-coated sheet along an upper edge of the headlap portion, with the reinforcement member and the headlap portion together providing a nail pull-through value that is greater than an otherwise identical shingle having no such reinforcement material.

Abstract: A method of making a laminated shingle is provided. The method includes coating a shingle mat with roofing asphalt to make an asphalt-coated sheet, adhering a reinforcement member to a portion of the asphalt-coated sheet, covering the asphalt-coated sheet, and optionally covering the reinforcement member, with granules to make a granule-covered sheet, dividing the granule-covered sheet into an overlay sheet and an underlay sheet, wherein the overlay sheet has a tab portion normally exposed on a roof and a headlap portion normally covered-up on a roof, the headlap portion having a lower zone adjacent the tab portion and an upper zone adjacent the lower zone, and wherein the reinforcement member is adhered to the lower zone of the headlap portion and laminating the overlay sheet and the underlay sheet to make the laminated shingle.

Abstract: An exemplary shingle includes at least one coated shingle sheet defining a headlap portion and a tab portion each having opposed upper and lower surfaces. A first line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a first thermally activated adhesive material. A second line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a second thermally activated adhesive material having a minimum activation temperature less than a minimum activation temperature of the first thermally activated adhesive material.

Abstract: A roofing shingle includes an asphalt-coated overlay sheet, an underlay sheet having a front surface secured to the overlay sheet, and a reinforcement member is secured directly to the asphalt coating of the headlap portion of the overlay sheet without extending into the tab portion. The asphalt coated overlay sheet includes a first granular material secured to a first portion of a front surface of the headlap portion of the overlay sheet along the nail zone, and a second granular material secured to a second portion of the front surface of the headlap portion of the overlay sheet adjacent to the first portion of the front surface of the headlap portion, with the first granular material providing a thinner cross-section than the second granular material to define a depressed surface extending along said longitudinal axis of the nail zone.

Abstract: A method of making a laminated shingle is provided. The method includes coating a shingle mat with roofing asphalt to make an asphalt-coated sheet, adhering a reinforcement member to a portion of the asphalt-coated sheet, covering the asphalt-coated sheet, and optionally covering the reinforcement member, with granules to make a granule-covered sheet, dividing the granule-covered sheet into an overlay sheet and an underlay sheet, wherein the overlay sheet has a tab portion normally exposed on a roof and a headlap portion normally covered-up on a roof, the headlap portion having a lower zone adjacent the tab portion and an upper zone adjacent the lower zone, and wherein the reinforcement member is adhered to the lower zone of the headlap portion and laminating the overlay sheet and the underlay sheet to make the laminated shingle.

Abstract: A method of making a laminated shingle is provided. The method includes coating a shingle mat with roofing asphalt to make an asphalt-coated sheet, adhering a reinforcement member to a portion of the asphalt-coated sheet, covering the asphalt-coated sheet, and optionally covering the reinforcement member, with granules to make a granule-covered sheet, dividing the granule-covered sheet into an overlay sheet and an underlay sheet, wherein the overlay sheet has a tab portion normally exposed on a roof and a headlap portion normally covered-up on a roof, the headlap portion having a lower zone adjacent the tab portion and an upper zone adjacent the lower zone, and wherein the reinforcement member is adhered to the lower zone of the headlap portion and laminating the overlay sheet and the underlay sheet to make the laminated shingle.

Abstract: A method of making a laminated shingle is provided. The method includes coating a shingle mat with roofing asphalt to make an asphalt-coated sheet, adhering a reinforcement member to a portion of the asphalt-coated sheet, covering the asphalt-coated sheet, and optionally covering the reinforcement member, with granules to make a granule-covered sheet, dividing the granule-covered sheet into an overlay sheet and an underlay sheet, wherein the overlay sheet has a tab portion normally exposed on a roof and a headlap portion normally covered-up on a roof, the headlap portion having a lower zone adjacent the tab portion and an upper zone adjacent the lower zone, and wherein the reinforcement member is adhered to the lower zone of the headlap portion and laminating the overlay sheet and the underlay sheet to make the laminated shingle.

Abstract: A laminated roofing shingle has an overlay sheet having top surface and bottom surface opposite the top surface. The overlay sheet includes a headlap portion and a butt portion. The butt portion defines a series of tabs and cutouts. An underlay substrate has a top surface attached to the bottom surface of the butt portion of the overlay sheet. The underlay sheet includes a covered portion positioned beneath the tabs of the overlay sheet and a prime portion positioned beneath the cutouts. A layer of reflectivity-increasing granules and/or a layer reflectivity-increasing asphalt, is positioned on only one or both of the tabs of the overlay sheet and the prime portion of the underlay sheet.

Abstract: A roofing shingle includes an asphalt-coated sheet and a reinforcement member. The asphalt-coated sheet includes a shingle mat and an asphalt coating applied to the shingle mat. The asphalt-coated sheet has a lower tab portion normally exposed on a roof and an upper headlap portion normally covered-up on a roof. At least a portion of the asphalt-coated sheet is coated with granules. The reinforcement member is adhered to the asphalt-coated sheet along an upper edge of the headlap portion, with the reinforcement member and the headlap portion together providing a nail pull-through value that is greater than an otherwise identical shingle having no such reinforcement material.

Abstract: A roofing system including shingles with different shingle patterns. The roofing system may include a plurality of first shingles having a first two-tab shingle pattern and a plurality of second shingles having a second two-tab shingle pattern. The first shingles including a first tab having a first width and a second tab having a second width, wherein the first width and the second width are substantially equal. The second shingles including a third tab having a third width and a fourth tab having a fourth width, wherein the third width is substantially equal to the first width and the fourth width is about double the second width. The plurality of first shingles and the plurality of second shingles can be formed from a rectangular shingle blank in an interwoven pattern with substantially no scrap or waste material.

Abstract: A roofing shingle includes an asphalt-coated sheet and a reinforcement member. The asphalt-coated sheet includes a shingle mat and an asphalt coating applied to the shingle mat. The asphalt-coated sheet has a lower tab portion normally exposed on a roof and an upper headlap portion normally covered-up on a roof. At least a portion of the asphalt-coated sheet is coated with granules. The reinforcement member is adhered to the asphalt-coated sheet along an upper edge of the headlap portion, with the reinforcement member and the headlap portion together providing a nail pull-through value that is greater than an otherwise identical shingle having no such reinforcement material.

Abstract: An exemplary prefabricated offset shingle includes a headlap portion extending from a top edge to a nail zone, a tab portion extending from the nail zone to a bottom edge, the headlap portion and the tab portion extending between first and second side edges. Two transverse cuts extend from the bottom edge to the headlap portion, and frangible lines of weakness in line with the transverse cuts extend from the transverse cuts to the top edge. The cuts and lines of weakness separate the shingle into first, second, and third offset portions having first, second, and third widths.

Abstract: An exemplary roofing system for covering an existing shingle roof with an exposure height measured between bottom edges of adjacent courses is disclosed. The roofing shingle system comprising includes a plurality of reroofing shingles. The reroofing shingles have an exposure portion extending from a top edge to a bottom edge for a height that is at least the exposure height of the existing shingle roof. At least one course of reroofing shingles is installed on at least one course of the existing shingle roof, wherein the course of the existing roof is covered by the at least one course of reroofing shingles. The top edge of the reroofing shingles abuts the bottom edge of the adjacent course of existing shingles.

Abstract: An exemplary shingle includes at least one coated shingle sheet defining a headlap portion and a tab portion each having opposed upper and lower surfaces. A first line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a first thermally activated adhesive material. A second line of adhesive is adhered to one of the upper surface of the headlap portion and the lower surface of the tab portion, and includes a second thermally activated adhesive material having a minimum activation temperature less than a minimum activation temperature of the first thermally activated adhesive material.