GAF Energy LLC

A building integrated photovoltaic system includes a plurality of photovoltaic modules installed in an array on a roof deck. Each of the photovoltaic modules at least one solar cell, a first encapsulant encapsulating the at least one solar cell, a frontsheet juxtaposed with a first surface of the first encapsulant, and a backsheet juxtaposed with a second surface of the first encapsulant. The frontsheet includes a glass layer, a second encapsulant, and a first polymer layer. The backsheet includes a first layer and a second polymer layer attached to the first layer. Each of the photovoltaic modules includes a wire cover bracket, which is configured to overlap the wire cover bracket of an adjacent one of the photovoltaic modules.

A method including: obtaining a flexible underlayment, wherein the flexible underlayment comprises: a first sensor, wherein the first sensor comprises a first flexible circuit, and wherein the first flexible circuit is configured to: measure a first value representative of a first roofing system condition measurement, wherein the first flexible circuit measures the first value at a first location, wherein a first location identifier indicative of the first location is stored in a database in communication with the first sensor; determine a first roofing system condition in the first location based at least in part on the first value and the first location identifier; and generate a first notification representative of the first roofing system condition; installing the flexible underlayment on a roof deck of a steep slope roof of a structure; installing a first roofing shingle over the flexible underlayment and above at least the first sensor.

Some embodiments of the present disclosure relate to a system. In some embodiments, the system includes a photovoltaic module and a module-level power electronics device electrically connected to the photovoltaic module. In some embodiments, the module-level power electronics device comprises a laminated potted printed circuit board. In some embodiments, the laminated potted printed circuit board comprises a potted printed circuit board and an encapsulant covering the potted printed circuit board. In some embodiments, the potted printed circuit board comprises: a printed circuit board having a top surface, and a pottant covering the top surface of the printed circuit board. In some embodiments, the laminated potted printed circuit board is substantially void-free.

A roofing system, including at least a first, second, and third metal roofing shingle installed on a roof deck adjacent to a plurality of photovoltaic modules, the first and second metal roofing shingles installed in a first row on the roof deck, the third metal roofing shingle installed in a second row on the roof deck, each of the metal roofing shingles including a metal layer and a cover layer, the metal layer including a conductive metal, the cover layer overlaying a portion of the metal layer and exposing at least one side lap of the metal layer, the side lap of the metal layer of the second metal roofing shingle overlaying and in electrical contact with the side lap of the metal layer of the first metal roofing shingle, to form a first grounding path, and the third metal roofing shingle in electrical contact with the first metal roofing shingle, to form a second grounding path.

A system includes a plurality of photovoltaic modules, a plurality of step flaps, and a plurality of roofing shingles installed on a roof deck. Each of the step flaps includes a first layer and a second layer, with the first layer overlaying a portion of the second layer, and the first layer attached to at least a portion of an overlapping portion of the second layer within an attachment area. An end of each of the plurality of photovoltaic modules overlays a portion of a corresponding one of the plurality of step flaps. An end of a first roofing shingle overlays a first step flap. The second layer of a second step flap vertically above the first step flap overlays a headlap portion of the first roofing shingle.

A roofing system, including at least a first, second, and third metal roofing shingle installed on a roof deck adjacent to a plurality of photovoltaic modules, the first and second metal roofing shingles installed in a first row on the roof deck, the third metal roofing shingle installed in a second row on the roof deck, each of the metal roofing shingles including a metal layer and a cover layer, the metal layer including a conductive metal, the cover layer overlaying a portion of the metal layer and exposing at least one side lap of the metal layer, the side lap of the metal layer of the second metal roofing shingle overlaying and in electrical contact with the side lap of the metal layer of the first metal roofing shingle, to form a first grounding path, and the third metal roofing shingle in electrical contact with the first metal roofing shingle, to form a second grounding path.

A system includes a plurality of photovoltaic modules installed on a roof deck. Each of the photovoltaic modules includes at least one solar cell, an encapsulant encapsulating the at least one solar cell, a frontsheet, a backsheet, a headlap portion, and an energy storage device between the roof deck and the backsheet. The energy storage device is in electrical communication with the at least one solar cell.

A building integrated photovoltaic system includes a plurality of photovoltaic modules installed in an array on a roof deck. Each of the photovoltaic modules at least one solar cell, a first encapsulant encapsulating the at least one solar cell, a frontsheet juxtaposed with a first surface of the first encapsulant, and a backsheet juxtaposed with a second surface of the first encapsulant. The frontsheet includes a glass layer, a second encapsulant, and a first polymer layer. The backsheet includes a first layer and a second polymer layer attached to the first layer. Each of the photovoltaic modules includes a wire cover bracket, which is configured to overlap the wire cover bracket of an adjacent one of the photovoltaic modules.

A system includes a photovoltaic module installed on a roof deck, where the photovoltaic module comprises at least one solar cell; and a roofing shingle installed on the roof deck adjacent to the photovoltaic module, where the roofing shingles does not include a solar cell, where the roofing shingle includes a top surface and a bottom surface opposite the top surface, where the bottom surface of the roofing shingle is proximate to the roof deck, where the top surface of the roofing shingle is exposed to an external environment, where the top surface of the roofing shingle includes a first section and a second section, and where the first section is configured to change appearance in response to exposure to a predetermined temperature.

A method, including obtaining a plurality of components, including at least a frontsheet, solar cells, and a backsheet; positioning the plurality of components such that a first row of solar cells is above the backsheet, a second row of solar cells is above the backsheet, and the frontsheet is above at least one of the first row of solar cells or the second row of solar cells; and laminating the plurality of components to form a photovoltaic module. The photovoltaic module includes a first portion and a second portion, where the first portion of the photovoltaic module includes the first row of solar cells, where the second portion of the photovoltaic module includes the second row of solar cells, where the first portion of the photovoltaic module extends along a first plane, where the second portion of the photovoltaic module extends along a second plane, and where the second plane is offset from the first plane.