Abstract: A flashing assembly comprising a base plate, flashing, flashing adapter and O-ring is disclosed. The flashing assembly components fit tightly together, creating a waterproof seal. The flashing assembly has no exposed rubber pieces, which prevents erosion and extends the life of the assembly. The waterproofing and durability of the disclosed flashing assembly make it ideal for enclosing electrical wires and running plumbing needs through the roof or wall membrane. The disclosed flashing assembly is capable of attaching to a number of products, including, but not limited to junction boxes, combiners, and service panels.

Abstract: The present invention relates generally to roofing systems. The present invention relates more particularly flashings for use in roofing systems in which structures such as photovoltaic modules are affixed to a roof on top of an underlying roof covering such as shingles, tiles, shakes or slates. For example, in one embodiment, the present invention provides a flashing element including a substantially flat plate having a top side and a bottom side disposed facing the roof deck, the plate having a hole formed therein, the plate having a recess formed in its bottom side surrounding the hole; and a spacer disposed in the recess between the roof deck and the bottom side of the plate, the spacer having a thickness at least about as great as the thickness of the recess, the spacer not substantially occluding the hole in the plate.

Abstract: Seal a flashing joint on an open frame structure using a first barrier sheet having first and second adhesive strips on opposing primary surfaces proximate to opposing edges and running the length of the first barrier sheet by applying the first barrier sheet over the flashing joint with one edge below the flashing joint and adhering an adhesive strip to a building element below the flashing joint with the first adhesive strip and applying a second barrier sheet overlapping the first barrier sheet and adhere the first and second barrier sheets together using the second adhesive strip. The process can include applying flashing over the first barrier sheet and flashing joint and then overlaying the flashing with the second barrier sheet and sealing the second barrier sheet to both the first barrier sheet and the flashing.

Abstract: A roof flashing that can be installed around a pipe, instead of over the pipe, is provided. The roof flashing can include a collar, a base, a foot, and a longitudinal opening. The collar can have a conical shape, and the base can have a top edge and a bottom edge such that the top edge of the base is coupled to a bottom edge of the collar. The foot can be coupled to the bottom edge of the base and extend outwardly from the bottom edge of the base. The longitudinal opening can extend from an apex of the collar to an edge of the foot and can include first, second, and third sections. A width of the longitudinal opening can increase when first and second edges of the opening are pulled away from each other.

Abstract: A flashing for sealing around a pipe or conduit includes a dome portion with an opening with an inwardly extending lip, and a replaceable seal sized to fit in the dome opening so as to seal around a vent pipe. The seal includes a downwardly extending locking member to grip and lock the inwardly extending lip of the dome portion. The flashing may include a flange portion to facilitate installing the flashing on a roof. Once installed, the replaceable seal may be replaced without replacing the entire flashing, yet securely grips to the base of the flashing.

Abstract: A method, system and apparatus are disclosed regarding an attachment system for solar equipment, sometimes referred to as a flashing device allowing quick and easy assembling of the solar equipment into an array or other combination in a sturdy and durable manner. In examples of the present technology, a flashing device may include a flashing plate which may contain one or more raised features to further direct and control the flow of liquid over the flashing plate. The flashing device may also contain a fluid restrictor such as a seal or part of a seal usually held within an aperture of a block having a skyward facing essentially or substantially flat surface. One or more various items of solar equipment may be attached to the essentially flat surface of the block. Also disclosed are adjustable mounting feet which may be installed in connection with other solar equipment.

Abstract: A variable size sill pan can be adapted to various widths, lengths, and heights of framed door or window openings. The sill pan assembly includes an extruded base which is typically inclined, window or door supports which can be extruded as part of the base unit, and molded corner elements. Grooves are provided on the front flange of the sill pan base to permit the front flange to be cut to a desired length. Grooves are provided on the rear sill pan wall permit the rear sill pan wall to be cut to a desired length. Grooves or markings are provided on a base and on end cap sections to permit the pieces to the cut to a desired width. An assembled sill pan is formed by attaching the adjusted pieces together, or by snapping and gluing the adjusted pieces together.

Abstract: A roof flashing that can be installed around a pipe, instead of over the pipe, is provided. The roof flashing can include a collar, a base, a foot, and a longitudinal opening. The collar can have a conical shape. The base can have a top edge and a bottom edge, the top edge of the base coupled to a bottom edge of the collar, the bottom edge of the base having a diameter larger than a diameter of the top edge of the base. The foot can be coupled to the bottom edge of the base and extend outwardly from the bottom edge of the base. The longitudinal opening can extend from an apex of the collar to an edge of the foot, and a width of the longitudinal opening can increase when first and second edges of the opening are pulled away from each other.

Abstract: An insulated sewer vent cover designed to passively prevent ice blockage, comprises a sealed annular insulating space comprising either entrapped air or an appropriate insulation material. The vent cover further comprises a plurality of concentrically arranged and chemically bonded plastic plumbing components which include a pair of bushings, a pair of couplers, and a pair of tubing sections of different diameters. These components are designed to be installed and chemically bonded onto an existing roof-mounted sewer vent pipe.

Abstract: A roof mounting system can include a roof substrate and flashing supportable on the substrate and including an outwardly extending projection having a concave interior side and an aperture extending through the projection between top and bottom surfaces of the flashing. A seal can extend through the aperture and contact at least a portion of the top surface and at least a portion of the bottom surface. The seal can be conformable with the concave interior side and can define a seal aperture substantially aligned with the flashing aperture. A mounting bracket can be supportable on the flashing and can define an aperture sized to receive at least a portion of each of the seal and the projection. A fastener can extend through the mounting bracket aperture, seal aperture, and flashing aperture to inhibit fluid flow through the flashing aperture.

Abstract: An environmental barrier composition and method of use for forming a structural barrier system to seal structural openings such as doors and windows is provided. The composition includes a liquid rosin that is silyl-terminated polyether, a filler material, and a curing catalyst. The method includes applying the composition to a prepared through-hole in combination with flashing material at least along a bottom surface of the through-hole and installation of a window or door into the prepared through-hole to form a barrier system in which a continuous film can be easily inspected, is waterproof, meet air barrier requirements of ASTM E2178, has elastomeric properties, allows substrate expansion, contraction, and movement, does not shrink or lose volume as it cures, and cures rapidly with sufficient adhesion to transition flashing to incorporate into a designed drainage plane and allow integration of a continuous air barrier system where the barrier is at least semi-vapor-permeable.

Abstract: A structure and method for making a structure for use in building construction is provided. The structure is defined by a body having a top surface, a bottom surface, and side surfaces. A flashing liner is integrally formed with the body, and the flashing liner is defined at one or more of the side surfaces of the body. The body is capable of being attached to a building structure, and the flashing liner provides a weather interface with the building structure.

Abstract: An article of flashing for a deck includes a channel with a back leg, a first side leg, and a second side leg and further includes an attachment flange fixedly connected to the channel where the channel is adapted to receive decking. A deck flashing system includes a deck with a surface and at least one edge, decking forming the surface of the deck, and flashing extending along the at least one edge, the flashing having a channel adapted to receive the decking. A method of trimming a deck includes erecting deck framing, installing decking on the framing, and installing flashing on at least one edge or the entire perimeter of the deck.

Abstract: Disclosed is a spring flange termination system including a spring flange member of a resilient material, the member including an anchoring portion and a biasing portion, a first roof component anchored to the anchoring portion, a second roof component proximate the first component, and moveable in relation to the first component, and a roofing membrane including a first membrane portion and second membrane portion, the first membrane portion being anchored to the first component and the second membrane portion being loose laid over the first component or the second component, wherein the first membrane portion is disposed between the member and the first component such that the anchoring portion of the member anchors the first membrane portion to the first component, and wherein the biasing portion is configured to create a bias on second membrane portion towards at least one of the first component and the second component.

Abstract: Flashing systems for use with metal and non-metal roof systems are provided having a generally planar lead base defining an aperture, a generally cylindrical structure attached to the base in surrounding relation with the aperture and projecting upward therefrom, and an adhesive sealing membrane attached to the bottom of the base for connecting the flashing to a roof. A flexible plastic downspout allows flashing system to adapt to various roof slope and roof penetration configurations. The downspout may be include a plurality of diametrically reducing stepped sections such that the installing technician is able to simply cut the stepped plastic downspout to the size that will accommodate the roof penetration pipe.

Abstract: A flexible, self-adhering stretchable material with improved stretch and recovery properties is provided as a flashing for use in building openings such as windows. The material includes a microcreped topsheet and a pressure-sensitive adhesive layer. The material extends to the desired length at a low applied force and recovers a low to moderate amount, making it particularly suited for use in the lower corners of window openings.

Abstract: Building means, having a main plate 1, a flexible sheet 2 attached thereto, a first bolt portion 4 extending outwards of the plate 1 and an opposite second bolt portion 5 extending outwards of the plate. The building means formed such that when it is in use a structural member can be fastened to the first bolt 4 portion while at the same time the plate 1 is arranged behind exterior cladding 8 of a building. A ledge 2a, after it has been bent into shape, extends to beyond the cladding so that rainwater contacting the first face of the plate portion can run down the first face and be guided by the ledge to a drain away position in front of the cladding.

Abstract: A two-component deck flashing system and method for installing the same. The system utilizes “L” flashing strips with attached cleats utilizing clinch lock joints to alleviate the need for fasteners which might otherwise penetrate and easily damage waterproof sheeting materials. A cover plate is attached to the cleats to define the outside edge of the topping surface. This two component system is designed for installation at wall-to-deck junctures by incorporating a form of a wall “saddle” flashing having one or more wall plates with attached “L” flashing extension with cleats and cover plate extensions. All components are integrated with and overlapping adjacently installed components to provide a flush, easily sealed and maintained, top surface. This two-component deck flashing system can be installed more easily and effectively in the field than prior art systems.

Abstract: The purpose of this invention is to decrease labor involved in waterproofing via flashing and termination of a pliable membrane roofing system at its perimeters and vertical junctures. As opposed to a standard two piece membrane flashing, the invention provides for a single piece of membrane to be used. The single piece of membrane would be taken from that which has already been installed on the flat portion of the roof. The loose section would be folded and the folded section would be anchored to the roof or vertical junctures. The piece now left loose would be folded over the anchoring device and terminated on the roof or vertical juncture. There are 3 devices disclosed which are intended to serve the purpose of anchoring the folded portion of roof. Elimination of the two piece flashing will greatly decrease the labor involved in roof installation with no loss in roof performance.

Abstract: A water barrier trim has a base, a top flange, and an overhang section. The base has at least one ridge extending away from the base in a first direction and a projection extending in the first direction. The top flange section is positionable adjacent to the base. The overhang section is positionable adjacent to the base and defines a drip cap. The at least one ridge is sized and configured to rest on a top of a trim board. The projection is sized and configured to fit into a slot defined in the top of the trim board to provide an interference connection.

Abstract: A structural support system with a means for capturing and channeling elements originating from an exterior surface is disclosed. More specifically, the support system not only creates a dry area under a deck but is also a load bearing component of the deck. The support system is multifunctional in that it alleviates the need for traditional joist-dependent construction methods while simultaneously providing an efficient and aesthetically pleasing structure for maintaining a useful, dry area under the deck. Advantageously, embodiments are scalable in that the system comprises a repeatable series of interlocking components operable to be customized to any foreseeable deck footprint or load bearing application.

Abstract: A shaped insulating board is disclosed for enabling lining of fiber cement boards and simultaneously enabling attachment of the insulating board on the building studs. Furthermore, the shaped insulating board provides a water drainage panel that allows water to drain downward on both sides of the board. The shaped insulating board also provides aeration between the board and the building surface.

Abstract: An archable flashing is disclosed for flashing around rectangular windows and doors and arch top windows and doors. The flashing has an elongated cap with an outside drip edge formed of a rigid plastic material. A flexible flange made of a flexible and stretchable plastic material is bonded to the inside edge of the cap and a rigid plastic nailing strip is bonded along the distal edge of the flexible flange. Spaced slits in the nailing strip subdivide it into segments and each segment is provided with one or more nail holes. The slits terminate at circular notches formed in the flexible flange adjacent to its junction with the nailing strip. The flashing is installed by placing its cap atop the straight or arched brick mold of a window or door while flexing the flange upwardly to rest against the adjacent wall. For arched brick mold, the flexible flange stretches differentially to accommodate the curve and the slits allow the nailing strip segments to separate.

Abstract: A protective covering helps to prevent fastener leaks from roof installed fasteners, which are used to mount roofing systems, such as a solar panel installation system, to roofs with a mounting bracket attached to the roof. The protective covering is a portion of flat, malleable waterproof material molded to form a cover, forming a triangular-shaped structure when viewed from the side. The triangular shaped structure includes a base and a hypotenuse portion where the line of the roof acts as a side which is covered by at least the hypotenuse portion. The hypotenuse portion meets the roof at an angle. The covering is adapted for insertion under portions of a roof shingle, and extends back in a slight rise (downwardly with respect to the roof) to cover the fastener and L-shaped bracket, which the fastener fastens to the roof.

Abstract: Molding is formed by first making a longitudinally extending cut in the bottom wall of a conventional eavestrough in order to separate the eavestrough into two segments. The inner portion of the bottom wall is then attached to the exterior wall of a building beneath its eaves or elsewhere such that the back wall of the eavestrough projects outwardly. The front wall of the eavestrough is then hung from the projecting back wall so that it extends downwardly and inwardly toward the exterior wall of the building. The eavestrough is cut by means of a machine having a guide plate and a pair of cutting wheels. The guide plate has an opening of a shape similar to that of the cross-section of the eavestrough but slightly larger so that as the eavestrough is fed through the opening it is guided by the guide plate. The cutting wheels are positioned such that after the eavestrough exits from the opening, its bottom wall passes between the wheels where it is cut.

Abstract: A waterproof sheet comprising a rubber base and a pressure-sensitive adhesive layer of silicone resin or gel thereon is applicable to the boundary between an outdoor tank and a concrete pedestal. The waterproof sheet maintains waterproofness over a long period of time and is in long-term service without degradation of physical properties.

Abstract: A roof mount assembly mounts a structure to a roof having a rafter and a substrate supported by the rafter. The roof mount assembly includes flashing positioned on the substrate that includes a first surface, a second surface and an aperture extending therethrough. A fastener extends through the flashing aperture. A bracket is connected to the flashing via the fastener, and the bracket supports at least one roof-mounted structure on the roof. A seal is positioned between the flashing aperture and the fastener. The seal is sized to form a water-tight seal with the aperture to inhibit flow of fluid through the aperture. The seal includes a first portion and a second portion; the first portion abuts the flashing first surface and the second portion extends through the aperture.

Abstract: The present invention relates to a vent pipe protection cover for repairing damaged flashing or for any new construction for waterproofing the vent pipe. A two piece construction which allows one device to accommodate roof pitches and various size vent pipes without the need to custom make the device is disclosed.

Abstract: A pre-notched drip edge assembly and related method includes a plurality of drip edge sections interconnected end-to-end to form a continuous water barrier along a roof edge. Each drip edge section has a formed one-piece construction with a top flange and a bottom flange having an inverted L-shape with upper and lower legs. The forward edges of the top flange and the upper leg are integrally interconnected along a folded-over nose having a wedge-shape. A pair of notches are formed in the opposite ends of each drip edge section which extend through the upper edge of the lower leg and the forward edges of the upper leg and the top flange to define flat end tab areas that are inserted into the noses of the next adjacent drip edge sections to horizontally and vertically locate the same along the building roof.

Abstract: A modified flexible sealing membrane is provided for sealing the gap between the frame of an industrial window and the rough opening in which the window is received (“building gap”). The membrane is formed from a flexible sheet defining an integral projection for receipt in an adaptor connected to the window frame. On one side of this projection, the flexible sheet defines an outer membrane portion which is wide enough to seal the building gap. On the other side of this projection, the flexible sheet defines an inner membrane portion which is wide enough to seal the gap that is often found between the different structural members which combine to form the window frame (“frame gap”).

Abstract: A roofing system for application on a roofing substrate wherein flexible supports alleviate fatiguing of the roofing sheeting which typically occurs due to thermal expansion and contraction, thus enabling thicker roofing sheeting to be used and thus extending the usable life of the roofing sheeting.

Abstract: A collapsible roof curb includes a base portion having opposed end walls and opposed side walls extending between the end walls, and an upper portion having opposed upper end walls and opposed upper side walls. The roof curb also includes a hinge connecting each of the end walls of the base portion to the end walls of the upper portion and the side walls of the base portion to the side walls of the upper portion, the hinges being adapted to allow the end walls and side walls of the upper portion to pivot from a collapsed position to an extended position.

Abstract: A roof mount assembly mounts a structure to a roof having a rafter and a substrate supported by the rafter. The roof mount assembly includes a piece of flashing positioned on the substrate. The flashing includes a first surface, a second surface opposite the first surface and an aperture extending through the flashing. A fastener extends through the flashing aperture. A bracket is connected to the flashing via the fastener, and the bracket is sized to support at least one roof-mounted structure on the roof. A seal is positioned between the flashing aperture and the fastener. The seal is sized to form a water-tight seal with the aperture to inhibit flow of fluid through the aperture. The seal includes a first portion and a second portion, in which the first portion is positioned to abut the flashing first surface and the second portion is positioned to extend through the aperture.

Abstract: A flood proof window includes a glazing and a window frame having a glazing backstop. Dual sided tape is positioned between the glazing and the glazing backstop. The window is further provided with a glazing sealant for the glazing.

Abstract: A strut runner includes a member extending lengthwise in a first direction, where the member includes an underlying panel and one or more walls that extend from the panel. The member may be configured to at least partially support the panel array while being integrated or directly connected to the underlying structure. Additionally, the strut runner may include one or more peripheral extensions that extend a distance outward from the body.

Abstract: A roof mounting system can include a roof substrate and flashing supportable on the substrate and including an outwardly extending projection having a concave interior side and an aperture extending through the projection between top and bottom surfaces of the flashing. A seal can extend through the aperture and contact at least a portion of the top surface and at least a portion of the bottom surface. The seal can be conformable with the concave interior side and can define a seal aperture substantially aligned with the flashing aperture. A mounting bracket can be supportable on the flashing and can define an aperture sized to receive at least a portion of each of the seal and the projection. A fastener can extend through the mounting bracket aperture, seal aperture, and flashing aperture to inhibit fluid flow through the flashing aperture.

Abstract: A fortified flashing laminate includes an uncured thermosetting polymeric layer having a top surface and a bottom surface. A first layer of vulcanized adhesive tape covers at least a portion of the bottom surface of the polymeric layer, and a second layer of vulcanized adhesive tape covers a portion of the first layer of vulcanized adhesive tape to form a fortified area. The size and positioning of the second layer of vulcanized adhesive tape may be selected to fortify known vulnerable areas of flashing laminates.

Abstract: A water barrier trim has a base, a top flange, and an overhang section. The base has at least one ridge extending away from the base in a first direction and a projection extending in the first direction. The top flange section is positionable adjacent to the base. The overhang section is positionable adjacent to the base and defines a drip cap. The at least one ridge is sized and configured to rest on a top of a trim board. The projection is sized and configured to fit into a slot defined in the top of the trim board to provide an interference connection.

Abstract: A universal skirt board has a base, a top flange section, an overhang section, and a sealing flange attached to the top flange section. The base has at least one ridge extending away from the base in a first direction, and a projection extending in the first direction. The top flange section is attached to the base. The overhang section is also attached to the base and defines a drip edge. The sealing flange is attached to the top flange section. The at least one ridge is formed to rest on a top of a base board. The projection is formed to fit into a slot defined in the top of the base board to provide an interference connection.

Abstract: The invention relates to a flashing member for use with a roof window mounted on an upstand, said flashing member having at least one insulating member and a compensation member on the inner side. The compensation member, which allows use of one flashing member for different angles of the window, is preferably compressible, expandable or provided with removal indications, such as cutting lines, for allowing an easy removable of a part thereof as well as elastic. A kit including at least one such flashing member may include corner flashing members, gable flashing members, a ridge flashing members and/or supplementary insulating members. The invention further relates to a method for mounting a flashing for a roof window mounted on an upstand, where one or more connector brackets are attached to the window and where the/each flashing member is attached to the window frame via at least one connector bracket.

Abstract: A roof mount assembly mounts a structure to a roof having a rafter and a substrate supported by the rafter. The roof mount assembly includes a piece of flashing positioned on the substrate. The flashing includes a first surface, a second surface opposite the first surface and an aperture extending through the flashing. A fastener extends through the flashing aperture. A bracket is connected to the flashing via the fastener, and the bracket is sized to support at least one roof-mounted structure on the roof. A seal is positioned between the flashing aperture and the fastener. The seal is sized to form a water-tight seal with the aperture to inhibit flow of fluid through the aperture. The seal includes a first portion and a second portion, in which the first portion is positioned to abut the flashing first surface and the second portion is positioned to extend through the aperture.

Abstract: A raceway extends along an edge of roof of a structure and is adapted to house a cable, such as an industry standard ice and snow melt heating cable designed, listed and approved for the purpose. An open side of the raceway exposes the cable and allows for the insertion, replacement and inspection of the cable per industry practice. A side of the raceway may have a radiused edge providing added resiliency to springably retain and/or removably secure the cable in raceway. In the case of a heating cable, heat is transferred to the surrounding structure, and may be concentrated at the drip edge to maximize ice melt efficiency. Methods of installation of the raceway are applicable to new construction and retro-fitting existing structures, including drainage systems, bridge structures and other outdoor enclosures, and may be used with many types of roofing materials including asphalt, wood and metal.

Abstract: A variety of roof mount sealing assemblies are disclosed. The roof mount sealing assemblies allow a user to mount rails for solar panels, signs, satellite dish or any other desired item on the roof and have the mounting location sealed against water. The roof mount sealing assemblies has a body with a recess for a flexible washer, which is attached to a bolt body (or formed with the bolt body) and threaded either down in a base plate or directly into the roof. The bolt body and body form a double stud assembly, which also holds a flashing onto the roof to provide further water proofing.

Abstract: A dry sprinkler installation and sealing device for a cold environment is disclosed. The dry sprinkler installation includes a supply conduit having a first end adapted to communicate with a fire retardant fluid source and a second end supporting a sprinkler head. The supply conduit is dimensioned to extend through an opening in a wall of a cold environment, e.g., a freezer ceiling. A flexible sealing device is positioned about the supply conduit adjacent an exterior surface of the cold environment. A first end of the sealing device is secured about the supply conduit and a second end of the sealing device is secured to an exterior surface of the cold environment. The flexible sealing device allows for radial and axial adjustments to the supply conduit and sprinkler head without comprising the integrity of the sealing device.

Abstract: A roof mounting system can include a roof substrate and flashing supportable on the substrate and including an outwardly extending projection having a concave interior side and an aperture extending through the projection between top and bottom surfaces of the flashing. A seal can extend through the aperture and contact at least a portion of the top surface and at least a portion of the bottom surface. The seal can be conformable with the concave interior side and can define a seal aperture substantially aligned with the flashing aperture. A mounting bracket can be supportable on the flashing and can define an aperture sized to receive at least a portion of each of the seal and the projection. A fastener can extend through the mounting bracket aperture, seal aperture, and flashing aperture to inhibit fluid flow through the flashing aperture.

Abstract: A flashing attachment apparatus and method includes an angle plate with a horizontal leg and a vertical leg wherein the horizontal leg includes a top and a back and wherein the vertical leg includes a front and a back. A bent plate is connected with the back of the vertical leg and a self adhering membrane is connected between the bent plate and the vertical leg to the back of the vertical leg wherein the self adhering membrane includes a removable cover shielding adhesive on the self adhering membrane.

Abstract: A roof edge device (10) comprises a plastics strip (12) for location under the edge of a tiled/slated roof. A plurality of integral webs (2 and 3) extend from one side of the strip, at least one of said webs (2, 3) being for engagement with the underneath of the edge of the tiles/slates.

Abstract: Flood proofing of buildings built on a slab is provided. Water having a depth less than a selected distance H above the slab is excluded from the building by windows, doors and panels that are sealed to prevent water entry. The panels may be applied over a variety of existing veneer materials or may be used in new construction.

Abstract: A roof mounting system can include a roof substrate and flashing supportable on the substrate and including an outwardly extending projection having a concave interior side and an aperture extending through the projection between top and bottom surfaces of the flashing. A seal can extend through the aperture and contact at least a portion of the top surface and at least a portion of the bottom surface. The seal can be conformable with the concave interior side and can define a seal aperture substantially aligned with the flashing aperture. A mounting bracket can be supportable on the flashing and can define an aperture sized to receive at least a portion of each of the seal and the projection. A fastener can extend through the mounting bracket aperture, seal aperture, and flashing aperture to inhibit fluid flow through the flashing aperture.

Abstract: An apparatus attached to the roof perimeter to mitigate wind-generated vortices and uplift loads on the roof perimeter area of a building, applicable for both new constructions and retrofits of existing buildings. The apparatus comprises at least one face portion having face perforation and/or edge serration for increasing small-scale turbulence entrainment, equalizing pressure and disorganizing edge shear layer vorticity, and thus disrupting vortex formation. A roof edge vortex suppressor is preferably mounted along the entire circumference of a roof perimeter.