Abstract: The present invention is directed to an exhaust vent assembly including a clamp, a sleeve, a neck, a damper in the neck, a cap attached to the neck and a collar. The exhaust vent assembly may be configured without any penetrative fasteners. The invention is further directed to a clamp for attachment to round duct and a building surface to provide strength, rigidity and support to the round duct.

Abstract: A firestop collar for sealing of openings, especially of line penetrations, that pass through walls or ceilings, has a frame and a block of optionally intumescent material disposed therein.

Abstract: The present invention relates to a fire-protection-collar element (10) for forming a fire-protection collar (35) for closing through-passages in walls (38), ceilings and/or floors in the event of a fire. The present invention also relates to a method for forming a fire-protection collar (35) for closing through-passages in walls (38), ceilings and/or floors in the event of a fire.

Abstract: An improved fire-blocking gasket profile for a fire-rated joint, such as a head-of-wall assembly. Fire-rated joints are aimed at inhibiting or preventing fire, heat, or smoke from leaving one portion of a building and entering another portion of a building. Fire-rated joints can also accommodate movement between adjacent building structures, such as between a ceiling and the top of a wall. The improved fire-blocking gasket profile includes a first layer formed of an intumescent material, a second layer formed of a foil lining and a third layer formed of the vinyl profile. The vinyl profile includes an air gap with the intumescent material positioned therein. A vertical portion of the vinyl profile is positioned between a header track and a wallboard in the fire-rated joint. A horizontal portion of the vinyl profile is positioned at least partially within a deflection gap and sealingly engages with the ceiling.

Abstract: A bracket for securing insulation and/or a stiffener relative to a mullion or transom having a given width. The bracket includes a pair of legs extending from a bridge to define a receiving channel having a width equal to or smaller than the given width. At least one of the legs defines a first receiving slot configured to receive a clip leg of a respective clip configured to engage the insulation, and an optional second receiving slot configured to receive a face of the stiffener.

Abstract: A construction system definable in terms of an X, Y, and Z coordinate axes which provides a first part having a hollow three-walled web elongate in the Z axis, having a series series of securement brackets with geometric cut-outs on the upper Z edges of the elongate Z axis member; and a second part having at least one open end for complemental engagement of the first part wherein the second part may fit over distal ends of said first part in which a cross-section of the second part is generally that of the first part, but wide and tall enough to allow the first part to slip within the second part, and said second part having an opposite end of said opening, wherein said second part securing the first part to a structural support.

Abstract: A construction system definable in terms of an X, Y, and Z coordinate axes which provides a first part having a hollow three-walled web elongate in the Z axis, having a series of rigid securement flaps on the upper Z edges of the elongate Z axis member; and a second part having at least one open end for complemental engagement of the first part wherein the second part may fit over distal ends of said first part in which a cross-section of the second part is generally that of the first part, but wide and tall enough to allow the first part to slip within the second part, and said second part having an opposite end of said opening, wherein said second part securing the first part to a structural support.

Abstract: An expansion joint design for supporting transfer loads. The system includes an elongated core and at least one longitudinal load-transfer member which are bonded together.

Abstract: A modular wall paneling system includes at least two plates. Each plate defines a longitudinal length, and each plate has a plurality of fixture apertures disposed through the plate along the longitudinal length. Each plate has a plurality of panel apertures disposed through plate along the longitudinal length. The plurality of fixture apertures are generally parallel to the plurality of panel apertures. Included are a plurality of panels, each panel having a panel substrate and each panel having at least two hooks disposed on a backside of the panel substrate. Each of the at least two hooks are configured to removably lock into the panel apertures of the at least two plates.

Abstract: A bracketing system is provided having two brackets joined by an adhesive material that allows a bridge backing member to be mounted between vertical studs to enhance stability of the wall construction. A wall construction assembly according to an embodiment of the invention comprises two vertical studs and a bridge backing member mounted there between by a bracketing system, which includes a left bracket and a right bracket connected by a flexible adhesive material. The bridge backing member has curved flanges that are shorter in length than the web of the bridge backing member. This bridge backing member can then hook securely over the brackets, and abut the vertical studs. The hooking of the bridge backing member of the brackets and shorter flanges allows the bridge backing member to rest on the brackets without the installer having to manually hold the bridge backing member between the studs prior to attachment.

Abstract: A fire block, adapted for blocking flames and air flow from traversing between a first portion of a wall cavity and a second portion of a wall cavity and a method for installing a fire block. The fire block may include a first male tray having a shield with various other components and a female tray having a shield with various components. The male tray be received by the female tray to form a fire block.

Abstract: Disclosed herein is an elongated C-shaped backing stud having a plurality of receiving notches positioned along its outer flanges. The backing stud is fastened to the studs of a sheet metal wall assembly by means of a plurality of fasteners, and such that the plurality of studs of the wall assembly abuts a planar web portion of the backing stud. The backing stud may be characterized in that (i) the ratio of the width of the web portion to the width of the backing stud flanges ranges from about 8 to 16, (ii) the ratio of the width of the backing stud flanges to width of the outer returns is at least about one, and (iii) the ratio of the width of the plurality of studs to the width of the outer returns ranges from about 6 to 8. The backing stud is configured to support wall hung grab bars, hand rails, cabinets, shelves, and the like.

Abstract: The present invention is directed to a load supporting blocking member for use in a metal stud wall having a plurality of parallel spaced apart metal studs, each of the studs having an aligned opening and horizontal bridging member passing through the aligned openings and tying the studs together. The load supporting blocking member comprises a base for overlying and being attached to the bridging member and an upstanding flange extending from one edge of the base the depth of the base being sufficient to overly the bridging member and position the upstanding flange in line with the edges of the studs in the metal stud wall.

Abstract: An electrical box assembly includes an electrical box and a primary bracket. The primary bracket includes a first end panel for securing to a first surface of a stud; a second end panel for securing to a second surface of the stud and in a substantially parallel orientation to the first end panel; and mounting panel, joined to a first surface of the electrical box and located between the first end panel and the second end panel, the mounting panel having a length corresponding to a first stud depth. The primary bracket also includes an adaptation panel, between the mounting panel and the rear panel, having a length corresponding to a difference between the first stud depth and a second larger stud depth. The adaptation panel is selectively manipulated to position the front panel and the rear panel to accommodate either the first stud depth or the second stud depth.

Abstract: A firestopping insulation construction adapted to be positioned adjacent to a head-of-wall area beneath a ceiling construction having fluted ceiling runner channels which have a trapezoidal cross-sectional profile facing downwardly. The insulation assembly includes an upper plug mated the shape of the fluted channel which is at least partially surrounded by an outer cover and further includes a lower insulation section extending over the side walls of the head-of-wall area. The upper insulation plug and the lower insulation sections are preferably made of molded high temperature insulation. The insulation assembly is engaged only frictionally to the fluted ceiling channels.

Abstract: The present disclosure is directed to a bracket and electrical assembly including such bracket for mounting or securing to a concrete masonry unit (CMU).

Abstract: A building is provided with a shutter, a stairway, and a handrail. The handrail has a connection member and a connection apparatus. The shutter opens and closes in a horizontal direction. A gap through which the shutter can pass is formed in the stairway. The handrail is provided at the stairway, and includes a handrail main body and a movable member. A gap through which the shutter can pass is formed in the handrail main body, and the movable member closes the gap in the handrail main body. The connection member connects one end portion of the movable member with the handrail main body such that the movable body is turnable relative to the handrail main body. The connection apparatus releasably connects another end portion of the movable member with the handle main body.

Abstract: A fire resistant and water resistant expansion joint system comprises a compressed lamination of fire retardant infused open celled foam, one coat of an elastomeric waterproofing or water resistant material on the lamination, and another coat of an intumescent material on an opposing surface of the lamination, thereby providing fire resistance in one direction and water resistance in the opposite direction. The intumescent material may be further coated with a similar elastomeric material, thereby providing fire resistance in one direction and water resistance in both directions. In the alternative, the compressed lamination may comprise first and second opposing layers of intumescent material thereon each having a respective layer of elastomeric material to provide both water resistance and fire resistance in both directions.

Abstract: A firestopping sleeve positionable usually in walls which is self-adjusting and includes a sleeve defining an access corridor extending longitudinally therewithin with at least one firestopping pad positioned therein. The pad defines an access corridor extending therethrough for receiving wall penetrating cables which are firestopped therearound by the pad. A supplemental construction band is positioned extending around the pad for enhancing firestopping adjacent the penetrating wire for facilitating preventing the flow of heat, smoke or fire therepast.

Abstract: A press-on retainer is configured to retain a fire-stop sleeve in an opening. The retainer includes a body formed of sheet metal. The body is configured to define a concave shape, a hole in the body, and a plurality of segments extending radially from the hole. Each segment is includes an angled portion at the end of the segment that defines the hole with a diameter suitable to accept the sleeve. The angled portions are configured to allow the retainer to be pressed onto the sleeve in a first direction, and thereafter prevent the retainer from being moved in a second direction opposite the first direction.

Abstract: A firestopping sleeve positionable usually in walls which is self-adjusting and includes a sleeve defining an access corridor extending longitudinally therewithin with at least one firestopping pad positioned therein. The pad defines an access corridor extending therethrough for receiving wall penetrating cables which are firestopped therearound by the pad. A supplemental construction band is positioned extending around the pad for enhancing firestopping adjacent the penetrating wire for facilitating preventing the flow of heat, smoke or fire therepast.

Abstract: A head-of-wall joint for insulating the intersection between a wall assembly and the bottom of a floor or roof construction thereabove which utilizes an insulating gasket of a unique shape and construction positioned between the ceiling track and the point of intersection thereof with respect to the upper building floor or roof structure. The configuration of the insulating gasket member includes a main section and two side sections which extend over the outwardly facing surfaces of a conventionally configured ceiling track or runner without being attached to the ceiling track side panel side surfaces. The gasket can included tabs to attach to the lowermost edges of the track side sections. The gasket can be made from acoustically insulating materials or firestopping materials, or both.

Abstract: A fire and water resistant expansion and seismic joint system has a cover plate; a spline attached to the cover plate along a first edge of the spline; and a core comprising a first core portion and a second core portion, each portion being located on an opposing face of the spline. The first core portion and the second core portion have a fire-retardant material infused therein. The spline depends from the cover plate in a one piece construction and extends into the core to a depth within the core, and is positioned in a gap between substantially coplanar substrates such that the cover plate overlies the gap. Each portion of the core is compressed between a respective face of the spline and a face of one of the coplanar substrates.

Abstract: A fire and water resistant expansion joint system has a cover plate; a spline attached to the cover plate along a first edge of the spline; and two portions of foam, each portion being located on an opposing face of the spline. The foam has a fire-retardant material infused therein. The spline depends from the cover plate and is positioned in a gap between substantially coplanar substrates such that the cover plate overlies the gap. Each portion of the foam is compressed between a respective face of the spline and a face of one of the coplanar substrates.

Abstract: A building connection between a substantially vertical wall stud and a substantially horizontal bridging member, using a separate and distinct bridging connector that attaches the wall stud to the bridging member. The wall stud is typically one of several sequentially-arranged, cold-formed steel studs in the frame of a building wall. The bridging member is typically a separate cold-formed steel member that interfaces with and spans a plurality of wall studs.

Abstract: A firestopping apparatus including a sleeve with at least one pair of airflow-blocking elements, at least one element of which is movable towards, and away from, the other element.

Abstract: A firestopping apparatus including a sleeve with at least first and second airflow-blocking elements, with at least the first airflow-blocking element comprising a resiliently compressible body and being slidably movable generally along a long axis of the sleeve.

Abstract: A fire resistant and water resistant expansion joint system comprises a compressed lamination of fire retardant infused open celled foam, one coat of an elastomeric waterproofing or water resistant material on the lamination, and another coat of an intumescent material on an opposing surface of the lamination, thereby providing fire resistance in one direction and water resistance in the opposite direction. The intumescent material may be further coated with a similar elastomeric material, thereby providing fire resistance in one direction and water resistance in both directions. In the alternative, the compressed lamination may comprise first and second opposing layers of intumescent material thereon each having a respective layer of elastomeric material to provide both water resistance and fire resistance in both directions.

Abstract: Disclosed herein is an elongated C-shaped backing stud having a plurality of receiving notches positioned along its outer flanges. The backing stud is fastened to the studs of a sheet metal wall assembly by means of a plurality of fasteners, and such that the plurality of studs of the wall assembly abuts a planar web portion of the backing stud. The backing stud may be characterized in that (i) the ratio of the width of the web portion to the width of the backing stud flanges ranges from about 8 to 16, (ii) the ratio of the width of the backing stud flanges to width of the outer returns is at least about one, and (iii) the ratio of the width of the plurality of studs to the width of the outer returns ranges from about 6 to 8. The backing stud is configured to support wall hung grab bars, hand rails, cabinets, shelves, and the like.

Abstract: A metal casing strip for a fire collar to be arranged around a duct has a line of succesive tongues and cutouts in the longitudinal direction of the strip. The tongues and cutouts are arranged in the strip in an alternating fashion. The tongues are bendable out of the surface of the casing strip such that in use, when the casing strip is arranged around a pipe such that two end regions overlap, an outwardly bended tongue from the one end region is inserted in a cutout of the overlapping other end region and folded over the edge of the cutout to retain the casing strip in the closed collar shape.

Abstract: A nail plate is attached to the outer surface of a wall stud to protect a utility from penetration by nails or other fasteners driven through a wall surface. The nail plate has a substantially rectangular shape with a width corresponding to the width of the stud. The nail plate has a first and second longitudinal ends with nail tabs for attaching the nail plate to the stud. The ends of the nail plate have at least one recess and at least one protruding portion where the protruding portion can mate with a recess of an adjacent nail plate is ganged together. The nail plates can have coupling members to couple a plurality of nail plates in series in an end to end fashion. The longitudinal ends of the nail plate enable the ends to abut each other with no open portions that can allow a fastener to pass though. In one embodiment the nail tabs extend in a longitudinal direction with respect to a longitudinal dimension of the nail plate.

Abstract: A joint cover system is operable to span a gap between two building members, wherein each building member including a first side surface and an end surface. The joint cover system comprises a first base member, a second base member, an intumescent sheet, a first fastener, and a second fastener. The first base member may be positioned on the first side surface of the first building member, and the second base member may be positioned on the first side surface of the second building member. The intumescent sheet may include a first edge positioned between the first base member and the first side surface of the first building member and a second edge positioned between the second base member and the first side surface of the second building member. The first fastener may penetrate the first base member and the first edge of the intumescent sheet. The second fastener may penetrate the second base member and the second edge of the intumescent sheet.

Abstract: A building connection between a substantially vertical wall stud and a substantially horizontal bridging member, using a separate and distinct bridging connector that attaches the wall stud to the bridging member. The wall stud is typically one of several sequentially-arranged, cold-formed steel studs in the frame of a building wall. The bridging member is typically a separate cold-formed steel member that interfaces with and spans a plurality of wall studs.

Abstract: A sealing gasket for use attached preferably to the topmost edge of gypsum board when used as construction wallboard. The gasket includes a support leg section capable of being mounted in engagement with preferably the uppermost edge of the gypsum board. The gasket includes a sealing leg extending outwardly from said leg section which includes an intumescent component to facilitate sealing between the edge of the gypsum board and the wall structure above. In one embodiment the sealing leg includes an intumescent impregnated paper material covered with a structurally enhancing layer. An adhesive layer can be included to attach the gasket to the gypsum wallboard. The sealing leg in this embodiment has an “A” or “P” profile and will extend upwardly and inwardly over the upper edge of the gypsum board at an obtuse angle with respect to the support leg for sealing thereabove in the head-of-wall area.

Abstract: An interior partition system for a structural frame building is disclosed. The structural frame building has a ceiling line that defines a ceiling height of occupiable space within the structural frame building. The interior partition system includes a first, or upper, modular partition assembly and a second, or lower, modular partition assembly. A receptor structure is configured to connect the first modular partition assembly to the second modular partition assembly. The first modular partition assembly has a vertical dimension that exceeds the ceiling height.

Abstract: A fire retardant cover is disclosed herein for covering a ceiling-side recess of a fluted roof deck and for providing a flat surface for installation of a head-of-wall track (associated with a steel stud wall assembly). The fluted roof deck has an undulating bottom surface that defines a plurality lengthwise recesses corresponding to a plurality of ceiling-side flutes of the fluted roof deck. The fire retardant cover is substantially flat and configured to sealingly cover at least one of the plurality of lengthwise recesses. The fire retardant cover comprises a piece of sheet metal bent to define first and second upwardly extending protrusions. The protrusions are spaced apart from each other by a substantially flat web section and have laterally facing outer top surfaces matched to sealingly contact lengthwise bottom surfaces of one of the plurality of recesses of the fluted roof deck when the fire retardant cover is installed.

Abstract: A joint cover system is operable to span a gap between two building members, wherein each building member including a first side surface and an end surface. The joint cover system comprises a first base member, a second base member, an intumescent sheet, a first fastener, and a second fastener. The first base member may be positioned on the first side surface of the first building member, and the second base member may be positioned on the first side surface of the second building member. The intumescent sheet may include a first edge positioned between the first base member and the first side surface of the first building member and a second edge positioned between the second base member and the first side surface of the second building member. The first fastener may penetrate the first base member and the first edge of the intumescent sheet. The second fastener may penetrate the second base member and the second edge of the intumescent sheet.

Abstract: A relatively inexpensive bushing easily installed extending through walls, particularly, gypsum board membrane walls for providing firestopping around a limited number of linear penetrating members such as cables or wires. This grommet construction includes first and second half sections for facilitating attachment around cables more easily. A split internal seal preferably of resilient foam material is positioned within a split mechanical shell which facilitates placing of the bushing around penetrating members prior to placement thereof through walls or after positioned thereof penetrating through a panel such as wallboard. A split mechanical shell with a two-piece foam insert retained within a bore extending therethrough can be formed as two separable half cylindrical shells. Barbs are included on the outer portion of the shell to facilitate mounting thereof. The foam firestopping seal portion can be intumescent.

Abstract: A thermally expandable fire-stop system for placement in a thermally stable conduit having an inner wall defining an inner space through which a single pipe, being a, relatively, thermally weakenable pipe having an outer wall, extends, or will extend, the system comprising at least a device which includes at least one component having a non-linear thermal expansion characteristic.

Abstract: A sealing gasket for use attached to the topmost edge of gypsum board used as construction wallboard. The gasket includes a support leg section capable of being mounted in engagement with the uppermost edge of the gypsum board. The gasket includes a sealing leg extending outwardly from said leg section which includes an intumescent component to facilitate sealing between the edge of the gypsum board and the wall structure above. The sealing leg preferably includes an intumescent impregnated paper material covered with a structurally enhancing layer. An adhesive layer can be included to attach the gasket to the gypsum wallboard. The sealing leg is preferably planar and extends upwardly and inwardly over the upper edge of the gypsum board at an obtuse angle with respect to the support leg for sealing the head-of-wall area thereabove.

Abstract: A fire resistant and water resistant expansion joint system comprises a compressed lamination of fire retardant infused open celled foam, one coat of an elastomeric waterproofing or water resistant material on the lamination, and another coat of an intumescent material on an opposing surface of the lamination, thereby providing fire resistance in one direction and water resistance in the opposite direction. The intumescent material may be further coated with a similar elastomeric material, thereby providing fire resistance in one direction and water resistance in both directions. In the alternative, the compressed lamination may comprise first and second opposing layers of intumescent material thereon each having a respective layer of elastomeric material to provide both water resistance and fire resistance in both directions.

Abstract: The present invention provides for a bracket for use in a metal stud wall having internal bridging members for tying the metal studs and bridging members together. The bracket is an L shaped bracket having a leg for overlying the bridging member joined to an upright for overlying the metal stud. The outside corners of the leg and upright of the L shaped bracket are truncated such that the diagonal dimension across the L-shaped bracket is less than the width of the channel of the metal stud so that the bracket may be inserted within the channel of the metal stud and rotated to the proper position for attaching to the bridging member and metal stud.

Abstract: An expansion joint system has a cover plate; a spline attached to the cover plate along a first edge of the spline; and two portions of open celled foam, each portion being located on an opposing face of the spline. The open celled foam has a fire-retardant material infused therein and layers of waterproof elastomer disposed thereon. The spline depends from the cover plate and is positioned in a gap between substantially coplanar substrates such that the cover plate overlies the gap. Each portion of the open celled foam is compressed between a respective face of the spline and a face of one of the coplanar substrates. An intumescent material may be incorporated into the spline.

Abstract: A fire protection module is provided for wall and ceiling openings. The fire protection module includes a sheath for insertion into the wall or ceiling opening and a flange to be placed at the wall or ceiling. The assembly of the fire protection module may be performed with few steps. For example, the sheath and the flange are embodied in one piece.

Abstract: A fire stop dimensioned to fit a selected size opening. The fire stop comprises end plates, a central shaft member retaining the end plates apart from one another, and a core between the end plates that comprises fire putty and mineral wool. The thickness and density of the mineral wool layer and/or the fire putty layer are chosen to achieve a particular fire rating within the constraints of the overall dimensional thickness of the slab. The fire stop has a low profile rendering it non-obstructing, can be inserted by a single installer from above a floor slab or into a wall, and further can be removed for inspection and/or replacement as needed. The fire putty layer swells under heat filling remaining gaps between the fire stop and the opening.

Abstract: Fireblock devices, wall assemblies and related methods useful for retarding the spread of smoke and fire through dynamic head-of-wall construction joints and gaps are disclosed herein. In one embodiment, the fireblock device is characterized by an elongated angled channel member having an elongated intumescent material strip, wherein the angled channel member is defined by an elongated top flange member connected to an elongated side flange member along a lengthwise edge, and wherein the top and side flange members define a right angle and a lengthwise interior corner region, and wherein the top and side flange members each have inner flange member surfaces that face inwardly with respect to the interior corner region, and outer flange member surfaces that face outwardly with respect to the interior corner region, and wherein the intumescent material strip is affixed on the outer flange member surface of the side flange member.

Abstract: A mounting system for a member to a support structure. The member includes ends and sides. A hinge may be attached to one of the ends of the member. Hinges may be attached to both ends along the same side of the member. The hinge may include an arm from which a tab extends. The ends may include securing means. The support structure includes a mounting aperture that is configured to interact with the hinge of the member. In some embodiments, the support structure may have multiple mounting apertures. The mounting aperture is configured to prevent the hinge of the member from disengaging from the support structure. In some embodiments, the mounting aperture is configured to pivotally retain the hinge of the member.

Abstract: A bracketing system is provided having two brackets joined by a flexible adhesive material that allows bridging or backing members of variable lengths and widths to be mounted between vertical studs to enhance stability of the wall construction. A wall construction assembly according to an embodiment of the invention comprises two vertical studs and a bridge backing member mounted there between by a bracketing system, which includes a left bracket and a right bracket connected by a flexible adhesive material. Because the bridge backing member can be adjustably sized to be secured on the brackets, it can be sized to fit between studs regardless of any variation in the spacing of the studs. This obviates the need to prefabricate bridge backing members to fit between variably spaced studs. The bridge backing member can be mounted flush with the stud to eliminate unevenness in the wall structure. Bridge or backing members of various widths and lengths can be mounted to the bracketing system.

Abstract: An intumescent firestopping apparatus used in poke-through applications for selectively sealing an opening through a construction barrier such as a wall, floor or ceiling having cables or other penetrating members extending therethrough. The apparatus effectively seals this barrier responsive to a fire to prevent unwanted transmission of fire through conventional construction barrier areas. The apparatus includes a sleeve with two intumescent pads positioned therein. At least one of the pads has an arcuate curved central section to be biased against the other intumescent pad to define therebetween a confinement area for holding of cables centrally located therein in a dynamically adjustable sealing throat defined therebetween. These pads can be variously mounted with respect to the adjacent wall structures and one or both of the pads can be arched toward the other pad to facilitate defining of the dynamic throat for receiving cables extending therethrough.

Abstract: An intumescent firestopping apparatus used in poke-through applications for selectively sealing an opening through a construction barrier such as a wall, floor or ceiling having cables or other penetrating members extending therethrough. The apparatus effectively seals this barrier responsive to a fire to prevent unwanted transmission of fire through conventional construction barrier areas. The apparatus includes a sleeve with two intumescent pads positioned therein. At least one of the pads has an arcuate curved central section to be biased against the other intumescent pad to define therebetween a confinement area for holding of cables centrally located therein in a dynamically adjustable scaling throat defined therebetween. These pads can be variously mounted with respect to the adjacent wall structures and one or both of the pads can be arched toward the other pad to facilitate defining of the dynamic throat for receiving cables extending therethrough.