Abstract: Membranes are provided. A membrane comprises a cap layer, a core layer, and a substrate located between the cap layer and the core layer. The cap layer comprises a first cap sublayer and a second cap sublayer, with the second cap sublayer located between the first cap sublayer and the substrate. The first cap sublayer comprises a first thermoplastic polymer, and no greater than 10 parts of a first fire retardant per 100 parts of the first thermoplastic polymer. The second cap sublayer comprises a second thermoplastic polymer, and a second fire retardant, wherein an amount of the second fire retardant in the second cap sublayer is greater than an amount of the first fire retardant in the first cap sublayer. Related systems and methods are also provided.

Abstract: Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a roofing membrane, which may include a cap, a scrim, and a core. In some embodiments, the roofing system may also include an adhesive film, which may include a first adhesive layer adhered to the roofing membrane, a second adhesive layer configured to adhere the roofing membrane to a roofing substrate, and a barrier layer positioned between the first and second adhesive layers. Methods of manufacturing roofing systems are also disclosed.

Abstract: Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a first roofing material, wherein the first roofing material comprises a top surface and a bottom surface. In some embodiments, the top surface of the first roofing material comprises a nail zone with a plurality of fines. In some embodiments, the roofing system includes a second roofing material, wherein the second roofing material comprises a top surface and a bottom surface. In some embodiments, the bottom surface of the second roofing material comprises a plurality of fines. In some embodiments, the roofing system comprises and a patterned adhesive, which directly contacts at least a portion of the plurality of fines in the nail zone and at least a portion of the plurality of fines on the bottom surface of the second roofing material.

Abstract: Some embodiments relate to a roofing membrane. The roofing membrane comprises a scrim. The scrim has a top surface and a bottom surface. The roofing membrane comprises a cap layer on the top surface of the scrim. The cap layer comprises a first non-styrenic polypropylene polymer, a first polypropylene impact copolymer, and a first olefin block copolymer. The roofing membrane comprises a core layer on the bottom surface of the scrim. The core layer comprises a second non-styrenic polypropylene polymer, a second polypropylene impact copolymer, and a second olefin block copolymer. The roofing membrane is configured to prevent migration of at least one oil from a layer to the roofing membrane. Some embodiments relate to a roofing structure comprising the roofing membrane, a method for installing the roofing membrane, and the like.

Abstract: Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a roofing membrane, which may include a cap, a scrim, and a core. In some embodiments, the roofing system may also include an adhesive film, which may include a first adhesive layer adhered to the roofing membrane, a second adhesive layer configured to adhere the roofing membrane to a roofing substrate, and a barrier layer positioned between the first and second adhesive layers. Methods of manufacturing roofing systems are also disclosed.

Abstract: An imaging device includes an imaging mechanism, a lens assembly having an optical axis and including a transparent lens, and a first moiré lens assembly including a first diffractive lens and a second diffractive lens. The imaging mechanism includes a light emitting element, a light receiving element, and a calculation element. A through hole is defined by the transparent lens. Along the optical axis, a projection of the light receiving element is located within a projection range of the through hole, a projection of the light emitting element is located within a projection range of the transparent lens. The first diffractive lens is fixed in the through hole. The second diffractive lens is fixed between the first diffractive lens and the light receiving element. The transparent lens is configured to drive the first diffractive lens to rotate to adjust a focal length of the first moiré lens assembly.

Abstract: Some embodiments relate to a roofing membrane. The roofing membrane comprises a scrim. The scrim has a top surface and a bottom surface. The roofing membrane comprises a cap layer on the top surface of the scrim. The cap layer comprises a first non-styrenic polypropylene polymer, a first polypropylene impact copolymer, and a first olefin block copolymer. The roofing membrane comprises a core layer on the bottom surface of the scrim. The core layer comprises a second non-styrenic polypropylene polymer, a second polypropylene impact copolymer, and a second olefin block copolymer. The roofing membrane is configured to prevent migration of at least one oil from a layer to the roofing membrane. Some embodiments relate to a roofing structure comprising the roofing membrane, a method for installing the roofing membrane, and the like.

Abstract: Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a first roofing material, wherein the first roofing material comprises a top surface and a bottom surface. In some embodiments, the top surface of the first roofing material comprises a nail zone with a plurality of fines. In some embodiments, the roofing system includes a second roofing material, wherein the second roofing material comprises a top surface and a bottom surface. In some embodiments, the bottom surface of the second roofing material comprises a plurality of fines. In some embodiments, the roofing system comprises and a patterned adhesive, which directly contacts at least a portion of the plurality of fines in the nail zone and at least a portion of the plurality of fines on the bottom surface of the second roofing material.

Abstract: Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a first roofing material, wherein the first roofing material comprises a top surface and a bottom surface. In some embodiments, the top surface of the first roofing material comprises a nail zone with a plurality of fines. In some embodiments, the roofing system includes a second roofing material, wherein the second roofing material comprises a top surface and a bottom surface. In some embodiments, the bottom surface of the second roofing material comprises a plurality of fines. In some embodiments, the roofing system comprises and a patterned adhesive, which directly contacts at least a portion of the plurality of fines in the nail zone and at least a portion of the plurality of fines on the bottom surface of the second roofing material.

Abstract: Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a roofing membrane, which may include a cap, a scrim, and a core. In some embodiments, the roofing system may also include an adhesive film, which may include a first adhesive layer adhered to the roofing membrane, a second adhesive layer configured to adhere the roofing membrane to a roofing substrate, and a barrier layer positioned between the first and second adhesive layers. Methods of manufacturing roofing systems are also disclosed.

Abstract: Some embodiments relate to a roofing membrane. The roofing membrane comprises a scrim. The scrim has a top surface and a bottom surface. The roofing membrane comprises a cap layer on the top surface of the scrim. The cap layer comprises a first non-styrenic polypropylene polymer, a first polypropylene impact copolymer, and a first olefin block copolymer. The roofing membrane comprises a core layer on the bottom surface of the scrim. The core layer comprises a second non-styrenic polypropylene polymer, a second polypropylene impact copolymer, and a second olefin block copolymer. The roofing membrane is configured to prevent migration of at least one oil from a layer to the roofing membrane. Some embodiments relate to a roofing structure comprising the roofing membrane, a method for installing the roofing membrane, and the like.

Abstract: Some embodiments relate to a roofing accessory. The roofing accessory comprises a protruding member extending from a base member. The base member surrounds at least a portion of an outer edge of a bottom end of the protruding member. The base member has a top surface, a bottom surface opposite the top surface, and an outer edge. The bottom surface of the base member has a weldable portion and an adherable portion between the weldable portion and the outer edge of the bottom end of the protruding member. The roofing accessory comprises an adhesive disposed on the adherable portion of the bottom surface of the base member. The adhesive is not disposed on the weldable portion of the bottom surface of the base member.

Abstract: Some embodiments of the present disclosure relate to a roofing system. In some embodiments, the roofing system includes a roofing membrane, which may include a cap, a scrim, and a core. In some embodiments, the roofing system may also include an adhesive film, which may include a first adhesive layer adhered to the roofing membrane, a second adhesive layer configured to adhere the roofing membrane to a roofing substrate, and a barrier layer positioned between the first and second adhesive layers. Methods of manufacturing roofing systems are also disclosed.

Abstract: Some embodiments relate to a roofing membrane. The roofing membrane comprises a scrim. The scrim has a top surface and a bottom surface. The roofing membrane comprises a cap layer on the top surface of the scrim. The cap layer comprises a first non-styrenic polypropylene polymer, a first polypropylene impact copolymer, and a first olefin block copolymer. The roofing membrane comprises a core layer on the bottom surface of the scrim. The core layer comprises a second non-styrenic polypropylene polymer, a second polypropylene impact copolymer, and a second olefin block copolymer. The roofing membrane is configured to prevent migration of at least one oil from a layer to the roofing membrane. Some embodiments relate to a roofing structure comprising the roofing membrane, a method for installing the roofing membrane, and the like.

Abstract: A roofing composite membrane includes a base layer including a first thermoplastic polyolefin. A weight of the base layer is between 5 and 25 grams per square foot. A coating layer at least partially coats the base layer. The coating layer includes at least one inorganic additive, and a second thermoplastic polyolefin including polypropylene and having a melt flow rate between 0.5 grams per 10 minutes and 12 grams per 10 minutes.

Abstract: A roofing composite membrane includes a base layer including a first thermoplastic polyolefin. A weight of the base layer is between 5 and 25 grams per square foot. A coating layer at least partially coats the base layer. The coating layer includes at least one inorganic additive, and a second thermoplastic polyolefin including polypropylene and having a melt flow rate between 0.5 grams per 10 minutes and 12 grams per 10 minutes.

Abstract: Some embodiments relate to a roofing membrane. The roofing membrane comprises a scrim. The scrim has a top surface and a bottom surface. The roofing membrane comprises a cap layer on the top surface of the scrim. The cap layer comprises a first non-styrenic polypropylene polymer, a first polypropylene impact copolymer, and a first olefin block copolymer. The roofing membrane comprises a core layer on the bottom surface of the scrim. The core layer comprises a second non-styrenic polypropylene polymer, a second polypropylene impact copolymer, and a second olefin block copolymer. The roofing membrane is configured to prevent migration of at least one oil from a layer to the roofing membrane. Some embodiments relate to a roofing structure comprising the roofing membrane, a method for installing the roofing membrane, and the like.

Abstract: Some embodiments relate to a roofing structure. The roofing structure comprises a plurality of roofing membranes positioned on a roofing substrate. Each of the plurality of roofing membranes comprises an edge portion that abuts or overlaps with, or is adjacent to, an edge portion of another roofing membrane, so as to define a plurality of seams between adjacent roofing membranes. The roofing structure further comprises a plurality of standing seam structures positioned over the plurality of seams so as to conceal the plurality of seams.

Abstract: A method includes obtaining a roofing membrane. A first layer of the roofing membrane is applied along a length of a roofing substrate covering a first portion of the roofing substrate. At least a first edge of the first layer is fastened to the roofing substrate. A second layer of the roofing membrane is applied over the first layer along the length of the roofing substrate such that a first edge of the second layer overlies the second edge of the first layer. The first edge of the second layer and the second edge of the first layer are fastened to the roofing substrate using a second fastener in a fastening zone along the length the roofing substrate. The second layer is reoriented such that the second layer overlies the fastening zone and covers a second portion of the roofing substrate adjacent the first portion of the roofing substrate.

Abstract: A method includes obtaining a roofing membrane. A first layer of the roofing membrane is applied along a length of a roofing substrate covering a first portion of the roofing substrate. At least a first edge of the first layer is fastened to the roofing substrate. A second layer of the roofing membrane is applied over the first layer along the length of the roofing substrate such that a first edge of the second layer overlies the second edge of the first layer. The first edge of the second layer and the second edge of the first layer are fastened to the roofing substrate using a second fastener in a fastening zone along the length the roofing substrate. The second layer is reoriented such that the second layer overlies the fastening zone and covers a second portion of the roofing substrate adjacent the first portion of the roofing substrate.