Abstract: A metal framing member for use in a wide variety of applications including interior and exterior walls, structural insulated panels (SIPs), as well as floors, ceilings and roofs of residential and commercial buildings, to name but a few. The metal framing member generally includes first and second metal components, where each of the metal components is a separate piece and includes an elongated support with a series of fingers extending therefrom. The two metal components are attached together near tips of the fingers so that an alternating sequence of fingers and spaces is formed in an intermediate area between the two supports. This sequence can result in weight, material and cost savings, reduced thermal and acoustic conductivity across the metal framing member, and trade-ready holes for passing through items such as wires, pipes, etc.

Abstract: A steel stud construction member for use in supporting structures and having openings and reduced heat transfer characteristics as compared with solid web studs, and having a web defining side edges and an axis, a flange on at least one side edge, openings through said web at spaced intervals therealong, of predetermined size and profile, at least a side portion of said web removed from said opening remaining attached integrally to said web, by bend lines being formed along axes parallel to said web axis. Also disclosed is a composite member (130) made up of two such members (132) joined together. Also disclosed is a method of making such a member (10,40,70,100,130,132).

Abstract: A longitudinal length adjustable header made up of a center section and two end sections moveably attached to the center section. The center section has an “L” shaped cross section and at least two longitudinal slots that are adapted to receive bolt means there through. The end sections have a plurality of apertures that align with the slots in the center section and are adapted to receive bolt means there through. The end sections are longitudinally slidable with respect to the center section whereby enabling adjusting the length of the header.

Abstract: An I-beam (10) comprises a first D-shaped flange (20) and a second D-shaped flange (60) connected by a web (100). Each flange includes a planar segment (30,70) and a curved segment (40,80). A lip (50,90) depends from the planar segment (30,70) of each flange (20,60) and is adapted to be attached to the web (100). The curved segment (40,70) of each flange (20,60) includes an outer surface (42,82) and an outer surface (44,84). The outer surface (42,82) is serrated to grip a wall panel or other structure attached to the flange (20,80) and the inner surface includes ridges (46,86) to strengthen the flange (20,60).

Abstract: The present invention relates to an article of manufacture and a method of how to utilize the same in order to create a radiation leak-proof environment. The present invention further relates to a metal stud configured with two holding cavities wherein the first holding cavity and the second holding cavity are constructed so that when a lead sheet is held in the first holding cavity and wherein a lead sheet is held in the second holding cavity the lead sheets overlap, and thereby, create a radiation leak-proof metal stud system.

Abstract: The invention provides a topside beam. The topside beam comprises: an upper topside beam that is comprised of an upper web beam (10), an upper left wing beam (12) and upper right wing beam (11), wherein the section of the upper web beam (10) has a shape of an inverted “L”; the upper left wing beam (12) and the upper right wing beam (11) are oppositely connected to the two sides adjacent to the lower end of the upper web beam (10) respectively; the upper left wing beam (12) opposite to the upper web beam (10) inclines downwardly; and the upper right wing beam (11) is located at 90° with the upper web beam. And a lower topside beam that is comprised of a lower web beam (20) and a lower right wing beam (21), wherein the lower right wing beam (21) is connected to the right side adjacent to the upper end of the lower web beam (20); and the lower right wing beam (21) opposite to the lower web beam (20) inclines upwardly and is parallel to the upper left wing beam (12).

Abstract: A concrete form panel system for the pouring of structural concrete panels having integrated furring strips for receiving fasteners includes a form panel body having top and bottom surfaces, opposing first and second ends, and opposing first and second sides. A longitudinally extending beam channel is formed through the top surface of the body from the first end to the second end and parallel to the first and second sides for housing a concrete beam. A furring strip longitudinally extends across the body between the first and the second ends and extends at least in part upwardly into the beam slot. The furring strip is provided with a lower fastener portion extending at least in part parallel to the bottom surface of the body.

Abstract: A structural framing system comprising at least one first framing component having upper and lower flange elements separated by a web element having a depth measured between the upper and lower flange elements, the upper and lower flange elements having positioning dimples spaced therealong, the upper dimples protruding from the upper flange element toward the lower flange element and the lower dimples protruding from the lower flange element toward the upper flange element in such manner that a distance between the upper and lower dimples is less than the depth of the web, at least one second framing component having a depth adapted to fit between the upper and lower flange elements of the first framing component and extending from positions along the first framing component substantially corresponding to the locations of the corresponding upper and lower positioning dimples, and at least one third framing component for securing together the first and second framing components, comprising a first plate membe

Abstract: The present invention is directed to a brace apparatus having a core member configured to absorb energy generated by seismic or other forces by undergoing plastic deformation. A buckling restraining assembly is included for maintaining the structural integrity of the brace after the core member has undergone plastic deformation. The buckling restraining assembly includes one or more bearings is located proximal the core member. The bearings are adapted to minimize friction between the core member and the buckling restraining apparatus. An air gap is positioned between the core member and the one or more bearings of the buckling restraining apparatus are adapted to prevent bonding of the core member and buckling restraining assembly. Projections are included in the core member of the brace apparatus to minimize movement of the middle portion of the core member relative to the buckling restraining assembly.

Abstract: The present invention is directed toward a track assembly comprising two nested tracks, an inner track and outer track. The assembly is designed so that the outside width of the outer track is equal to or less than the outside width of the inner track to present a substantially flush external surface for attachment of exterior sheathing elements when the assembly is used in an external wall. The system may further comprise a strap or series of engaging surfaces on the inner and outer tracks that generally restrain the inner track relative to the outer track.

Abstract: A fire retardant head-of-wall assembly configured to seal a linear head-of-wall construction joint or gap when exposed to a heat source such as a building fire is disclosed. The inventive fire retardant head-of-wall assembly comprises a header track having an elongated intumescent strip affixed lengthwise on at least one of the outer sidewall surfaces of the header track and above a centrally located and outwardly protruding lengthwise corrugated groove. The intumescent strip comprises expandable graphite and a fire retardant (C2-C8 alkyl diamine phosphate). When exposed to a heat source such as a building fire, the intumescent strip expands so to fill the head-of-wall construction joint or gap, thereby retarding or preventing the spread of smoke and fire. The inventive fire retardant head-of-wall assembly has been certified as complaint with respect to Underwriters Laboratories, Inc.'s standards set forth in its Tests for Fire Resistance of Building Joint Systems—UL 2079.

Abstract: The invention disclosed herein is directed to a fire retardant head-of-wall assembly configured to seal a linear head-of-wall construction joint or gap when exposed to a heat source such as a building fire. The inventive fire retardant head-of-wall assembly comprises a header track having an elongated intumescent strip affixed lengthwise on at least one of the outer sidewall surfaces of the header track. When exposed to a heat source such as a building fire, the intumescent strip is able to expand so as to at least partially fill the head-of-wall construction joint or gap; and in so doing, retard or prevent the spread of smoke and fire. The inventive fire retardant head-of-wall assembly has been certified as complaint with respect to Underwriters Laboratories, Inc.'s standards set forth in its Tests for Fire Resistance of Building Joint Systems—UL 2079.

Abstract: An insulated wall panel for use in building wall sections, said wall panel having a front face, a back face, and two opposite mating sides, each mating side being shaped to mate with the opposite mating side of an other insulated wall panel for mating assembly in a wall section, the insulating panel comprising a structural member extending along one of the mating sides, the structural member including a rear beam and a front beam, with cooperating flanges that are separated from each other by an insulating component

Abstract: A structure for outdoor marquees, pergolas and the like, of the type that comprises at least one supporting post with a substantially vertical arrangement, which is associated with at least one beam which can have an even slightly inclined arrangement. The beam comprises two mutually opposite profiles having a substantially U-shaped cross-section, the first profile, which is superimposed on the second profile and faces it, accommodating elements for moving a marquee associated with the structure, the second profile constituting a path for collecting rainwater that drains off the marquee in order to convey it to a drainage path.

Abstract: A spacer (100) for providing space between a first roof member (110) and a second roof member (120), where the spacer limits compression of an insulator (130), the insulator (130) being at least partially between the first roof member (110) and the second roof member (120).

Abstract: The invention provides a packaging machine support device having a frame with side walls and feet which bear the latter, and having at least one workstation borne by this frame, the side walls being in profile form. The packaging machine support device in accordance with the invention is suited to comply with the increasingly stringent hygiene requirements for packaging machines. This is achieved according to the invention by providing a frame profile (7) that is essentially open at the sides.

Abstract: The invention relates to a wall framing system (1), comprising a channel member (2 and a stud member (6) for interconnection with said channel member (2), the stud member (6) being insertable between side walls (4, 5) of the channel member (2), and comprising locking means or members (10) for fixating the stud member (6) to the channel member (2), where said locking members (10) are arranged to exert a force on inner surfaces (11, 12) of the side walls (8, 9) of the stud member (6) such that, when the locking means (10) are engaged with the stud member (6), outer surfaces (13, 14) of the side walls (8, 9) of the stud member (6) are pressed against inner surfaces (15, 16) of the side walls (4, 5) of the channel member (2) thereby achieving a frictional engagement between the contacting surfaces of the stud member (6) and the channel member (2). The invention also relates to a stud member (6) for use in a wall framing system (1) as described above.

Abstract: A beam construction, particularly a so-called doctor beam, for use mainly in pulp and paper mills to carry blade holders (7) intended to hold doctor blades. The beam (1) is a composite-construction hollow beam, which also includes at least one composite construction pre-tensioning rod (9, 10, 12). The construction has an essentially triangular cross-section.

Abstract: An assembly is provided for forming a trench of a predetermined shape. The trench-forming assembly includes a removable longitudinal form body, a pair of frame members and at least one mounting bracket assembly. The form body is capable of shaping a moldable trench forming composition poured around the form. Each frame member includes a support surface, and is in engagement with a respective side surface of the form body. The mounting bracket assemblies, each of which can include a mounting bracket and a pair of hook members, extend laterally across the top surface of the form body. In this regard, each mounting bracket assembly removably engages a downwardly facing side of the support surface of the frame members.

Abstract: Corner studs (10, 10?) have webs that are folded into two parts (16, 18) separated by an angle of between about 150° and 270°. These studs are used at corners formed where two framing walls meet. The first wall has upper and lower channel members with continuous flanges. The second wall has upper and lower channel members with squared ends that abut continuous flanges of upper and lower channels of the first framing wall. Studs (10, 10?) are provided which webs that include flange-receiving slots (12, 28) that extend from the ends of the studs (10, 10?) longitudinally inwardly along a bend line (14) between the two web parts (16, 18). The flanges (36, 52) are received within these slots (12, 28) so that a first portion of the studs (10, 10?) can be installed into the channel space of the first channel member and the remaining portion of the studs (10, 10?) can be installed into the channel space of the channel members of the second wall.

Abstract: The present invention relates to a stringer for an aircraft wing and a method of reinforcing such a stringer in which the stringer is formed with a substantially lambda shaped section.

Abstract: A building framework includes plural column assemblies interconnected by plural full-length beam assemblies, with the union of the column assemblies and beam assemblies forming beam-to-column joint assemblies according to this invention. The column assemblies include pairs of side plates spanning the column members of the column assemblies and projecting toward another column assembly of the plurality of such column assemblies. The full-length beam assemblies include beam members for being received between column assemblies to be interconnected and defining an end gap with respect to each column member. Additionally, the full-length beam assemblies include at each opposite end portion thereof a pair of cover plates, including an upper cover plate and a lower cover plate, which cover plates are sized and configured to be united with the side plates of a column assembly, as by welding applied at a construction site.

Abstract: Thin-webbed profile member is intended for reacting primarily compressive load and have shape and cross-section dimensions constant along its length. The profile members have main strips and additional strips. The ratio of a width of an additional strip with common reinforcing ribs to a width of the main strip satisfying the expression: a/b=0.3-0.7 and the ratio of the thickness of the additional strip with common reinforcing ribs to the thickness of the main strip satisfying the expression: ?a/?b=1.0 to 3.0 where: a is the width of the additional strip with common reinforcing ribs; b is the width of the main strip; ?a is the thickness of the additional strip with common reinforcing ribs; and ?b is the thickness of the main strip.

Abstract: A hollow flange channel beam has a planar web with a pair of narrow rectangular cross-section flanges extending along opposite sides of said web and extending perpendicular to a face of said web in the same direction. The section capacity is optimized when Wf=(0.3)Db, Wf=(3.0)Df and WF=(30)t.

Abstract: A frame assembly for a wide span steel building is disclosed. The assembly employs columns and rafters formed from two pieces of webbed channel stock that are joined together at their webs. A pre-drilled haunch plate connects the column and rafter. A brace formed from two lengths of channel stock joined together at their webs extends at an angle between the columns and rafters and each respective end of the brace is connected to the respective column and rafter via a brace plate. The brace provides increased strength in the frame assembly and enables the construction of wide span steel building from channel stock.

Abstract: The invention is a window glazing assembly having a series of segmented and non-segmented intersecting muntins for supporting glass panes. The non-segmented muntins incorporate a continuous carbon fiber insert that is disposed interior of the non-segmented muntin which rests directly against a perimeter edge of the glass panes. The glazing assembly safely disperses wind load or other forces acting against the glass panes.

Abstract: Modular structural components and structural connections including chords and forming strips, double chord beams, double beam connectors and modular structural assemblies constructed of double beam chords and connectors and forming modular wall, floor/ceiling and roof assemblies. Each chord has a generally elongated square main body of four main walls surrounding a central bore and having a T-slot structure adapted to accept a bolt type fastener extending along each exterior main surface. Each forming strip is an elongated plate formed into strip segments oriented at right angles to each other and forming a W-shaped corner region, a face region with a bolt hole and an attachment region, each region forming a mating bearing surface with a surface of a chord.

Abstract: Structural support systems and methods are provided to reinforce lintel support systems. According to some embodiments, a reinforcement system to reinforce an elongated load bearing member having opposing ends and supporting a load can comprise an elongated reinforcing member having a first portion and a second portion. The first portion can be disposed beneath the load bearing member between the opposing ends of the load supporting member and have a length substantially equal to the length of the load bearing member. The second portion can have length greater than the first portion. Also, the second portion can extend in a substantially normal direction from the first portion and be spaced apart from the load bearing member. The second portion can be securedly fixed in a substantially static position to support the first portion disposed beneath the load bearing member. In one configuration, the second portion can be fixed to a header associated with a lintel support system.

Abstract: A decorative post includes an elongated outer polymer shell having at least one longitudinal groove extending a majority of a length of the elongated shell sized and shaped to hold a decorative fence panel. The decorative fence post also includes an elongated reinforcing member disposed in the outer polymer shell, and substantially extending a length of the fence post. A foam filler is disposed inside the outer polymer shell between the shell and the reinforcement member. An aperture is disposed in the outer polymer shell near an end of the reinforcing member, and a void extends from the aperture into the foam filler adjacent to and exposing an end of the reinforcing member. The void defines a slip zone at the end of the reinforcing member into which the reinforcing member extends as the outer shell shrinks longitudinally during post mold cooling.

Abstract: The invention relates to a mounting system consisting of aluminum profiles (1, 11) in which threaded sliding blocks (14) inserted in the profiles are used, in particular, for fastening to solar modules and roof supports. The mounting system comprises at least two spaced apart profiled mounting rails (1) respectively with a support (2) limiting the profile height (7) and a connection (3) below the support (2) for the roof mounting. Threaded sliding blocks (14) are inserted in a form-fitting manner in each profiled mounting rail (1) for fastening the connection with the solar modules and the roof mounts. The profiled mounting rail has additional connecting profiles (4, 5, 6), arranged on the side or on the side and bottom, for engagement with complementary connecting profiles (8, 9, 10) of a profiled connecting rail (11). The profiled mounting rail (1) can be extended by sliding shaped pieces (13) with the profile of the profiled mounting rail (1) onto the profiled connecting rail (11).

Abstract: A shutter assembly for protecting an opening in a structure. The shutter assembly includes a first shutter and a second shutter. Each of the shutters have an attachment end and a free end and defining a width between the corresponding attachment end and the corresponding free end and each present an outer surface. An impact-resistant sheet is disposed on each outer surface. A plurality of hinges are adapted to pivotally couple each shutter to the structure at the attachment end for allowing the shutter to pivot between an open position and a closed position. A crossbar is sized to span the first shutter and the second shutter and terminate at or before the attachment ends of the shutters. A plurality of studs are disposed in linear alignment across the shutters. The crossbar is adapted to engage the studs for securing the shutters in the closed position.

Abstract: A steel stud member for use in supporting structures and having reduced thickness as compared with conventional studs, and having a web having side edges, flanges on the side edges, formed at angles to the web, the web and the flanges enclosing inside surfaces, and having outside surfaces for mounting structure, and plurality of narrow indented longitudinal grooves formed in the flanges, and in the web, indented inwardly from the outside to the inside of the flanges, providing greater load bearing capacity for a given gauge of steel. Also disclosed is a method of making such a steel member.

Abstract: The invention relates to a perimetral slab formwork system applicable for configuring a cantilever on a base grid formwork, configured by primary beams between which formwork panels are housed. In one possible solution, it incorporates perimetral beams provided with connectors for coupling on props and a straining piece which is vertically placed between outer and inner perimetral formwork panels supported by the perimetral beams to aid in lowering a formwork stripping tool connected to the outer panels. In another solution for smaller cantilevers, it has second perimetral beams having a matching configuration with the primary beams extending with regard to the base formwork combined with perimetral clamps fitting in one of their ends provided with a connector for a prop and housing for railings.

Abstract: An apparatus for supporting a concrete floor and a composite floor system constructed therewith comprises form panels supported between a plurality of joists, the joists including a shear connector at least partially embedded in the concrete slab of the floor system. Each of the joists may be formed of a double channel structural member, including a top chord to which the shear connector is secured, a bottom chord and a reinforced web.

Abstract: A wall system includes a stud member, a bracket assembly mounted to the stud member, and at least one block member supported by the bracket assembly. An adhesive is applied at least between the stud member and the at least one block member. The stud member and the at least one block member establish a composite wall unit.

Abstract: A profiled rail for supporting plate-shaped elements, particularly for inlay mounting of ceiling plates for louvered ceilings includes a base body, having a T-profile in select areas, a longitudinally extended web and a lower flange. The lower flange runs along a longitudinal edge of the web and comprises two lower flange sections each extending from the web essentially in opposite directions. The lower flange is formed by bending the web. The side of the lower flange, which is oriented away from the web, is provided with a facing board. A multitude of openings are provided in the web, whereby at least one of the lower flange sections is formed by material sections of the web that are folded out from the openings. The web is provided as a single layer essentially over its entire surface. A method for producing a profiled rail of this type is also provided.

Abstract: This invention addresses slotted tracks, in particular slotted tracks for an exterior wall application. In exterior wall framing, the exterior wall sheathing is required to have a horizontal gap at or near the floor line for anticipated vertical movement between the floors. To accommodate orthogonal movement of the studs relative to the track, a plurality of slots are located along the flanges of the track. An area for exterior sheathing attachment is created by leaving the upper portion of the flange solid for sheathing attachment and providing slots on the lower portion of the flange. Embodiments may include elongate reinforcing grooves on the slotted track's flanges and/or web, tabs for supporting and positioning exterior sheathing elements, connector elements for connecting the track to another surface, and second slots along the length of the web of the track to allow for limited drift movement of the track.

Abstract: The present application is directed toward slotted tracks, in particular slotted tracks for an exterior wall application. Embodiments can include tracks with elongate reinforcing ribs on the tracks' flanges and/or web, tabs and/or protruding ribs for supporting and positioning exterior sheathing elements, second slot patterns along the length of the web of the track to allow for attachment and drift movement of the track with another wall component, and guide marks to identify proper locations for attachment of fasteners.

Abstract: In one embodiment, a roll-formed sheet metal tee for grid type suspended ceilings with the face of its flange integral with the stem and the layers of the stem fixed together for improved torsional strength. An upper region of the stem can have one or more of its layers folded to increase suspension wire breakout strength. A stiffening bulb is below suspension wire receiving holes so that a loop of the suspension wire through the tee has a narrow profile and thereby avoids interference with ceiling panels during their installation or removal. Other embodiments of a tee share the feature of a narrow, suspension wire receiving upper stem portion.

Abstract: The present invention relates generally to a connector assembly for connecting misaligned elongated members using a combination of a pivotable connection and a tolerant connection comprising a tolerance which accommodates the ends of misaligned elongated members. The connector assembly of the present invention connects pivotably to one or the other of the first or second elongated members and forms a tolerant connection with the other. The invention is described as applied to connecting an earth anchor driven into the ground with an extension rod connected to a structure requiring support, regardless of whether the earth anchor and extension rod are in functional alignment. The connector assembly forms pivotable and tolerant connections which cooperate to facilitate connection of the earth anchor to the extension rod, even after each has been affixed to a corresponding structure and are misaligned.

Abstract: A C-shaped sheet metal profile for partitions that are planked on both sides is provided. The C-shaped profile comprises two leg sections and a bottom section that interconnects the leg sections. The leg sections form lateral faces of the C-shaped profile. At least one of the leg sections is provided with beads which protrude outward and form a support area for the planking. At least some sections of the beads are embodied such that the support area corresponds to more than 5 percent and less than 25 percent of the lateral face when the depth of penetration of the beads into a planking amounts to 0.3 mm.

Abstract: The invention relates to a sheet metal section for dry construction, including two limb portions and a base portion that connects said limb portions. According to the invention, at least one of the limb portions is equipped with a bent supporting edge that extends in the longitudinal direction of the section, the bent supporting edge being provided with a reinforcement strip. The section is characterised in that the reinforcement strip extends over the entire width of the bent supporting edge.

Abstract: The invention relates to a sheet metal section for dry construction, including two limb portions and a base portion that connects the limb portions, in addition to at least one reinforcement strip that is situated on one of the limb portions. The sheet metal section is characterized in that it is equipped with a device for fixing the reinforcement strip to the limb portion.

Abstract: A floor structure includes a plurality of structural metal components that each have: a plate-shaped supporting portion that is laid either perpendicular or oblique to an installation surface; a plate-shaped top flange that extends from a top end portion of the supporting portion in parallel with the installation surface; a plate-shaped bottom flange that extends from a bottom end portion of the supporting portion in parallel with the installation surface and in the opposite direction from the top flange, wherein the structural metal components are laid on a flat surface in parallel with each other such that the top flange of one of the mutually adjacent structural metal components covers the bottom flange of the other of the mutually adjacent structural metal material.

Abstract: A channel screed that is less likely to cause troweled wall covering material to crack is provided. The channel screed includes a bottom member having bottom member lengthwise edges. Channel flanges extend from the bottom member lengthwise edges perpendicular to the bottom member. Semi-circular receptacles are located along the bottom member lengthwise edges. The semi-circular receptacles are adapted to receive fastening clips to be secured into place. The fastening clips have a width of about one inch and may be positioned along butt joints and adjacent to framing members for attaching the channel screed to the framing members.

Abstract: A sill plate adapted to support drywall above a floor surface to prevent the formation of mold in the drywall. The sill plate has a base section and a first wall associated with the base section. A first shelf is associated with the first wall. The first shelf is adapted to support drywall. The sill plate may also include a second wall associated with base section where the second wall is opposed from the first wall. The second wall may include a second shelf associated with the second wall. Each of the first shelf and second shelf may extend along a plane parallel to a plane passing through the base section. Drywall may rest on the first shelf prior to being affixed to vertical studs extending from the sill plate.

Abstract: Lightweight structural component including at least one panel and at least one stiffening element oriented one of lengthwise and crosswise. The at least one stiffening element includes two side pieces. Each of the two side pieces is at least partially connected to the panel in a material-locking manner. The two side pieces are connected to the panel at two separate joint zones. A method of producing the lightweight structural component includes milling the at least one panel to form at least one thickened region and joining the two side pieces to the at least one panel at the two separate joint zones. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Abstract: An I-beam (10) comprises a first D-shaped flange (20) and a second D-shaped flange (60) connected by a web (100). Each flange includes a planar segment (30,70) and a curved segment (40,80). A lip (50,90) depends from the planar segment (30,70) of each flange (20,60) and is adapted to be attached to the web (100). The curved segment (40,70) of each flange (20,60) includes an outer surface (42,82) and an outer surface (44,84). The outer surface (42,82) is serrated to grip a wall panel or other structure attached to the flange (20,80) and the inner surface includes ridges (46,86) to strengthen the flange (20,60).

Abstract: A frame extender for attachment to a stud is formed as an L-shaped body having two orthogonal legs, a short leg and a long leg. The short leg serves as a mounting surface to which a wall surfacing material can be attached, while the long leg is fastened to the stud. The long leg terminates in an outer edge which preferably has a toothed profile. An indexing mark is provided on the long leg, extending parallel to the short leg and spaced apart therefrom, and substantially traversing the long leg. The indexing mark is preferably provided by a discontinuity in the surface of the long leg that is placed against the stud. A preferred method for fabricating the frame extenders uses stock that can be pressed or extruded, and which is cut along a serpentine path to form a pair of frame extenders.

Abstract: A demountable wall system includes similarly configured channel segments having a hat-shaped center, a pair of center flanges, and L-shaped outer ends with fastener portions formed therein. A rigid stud having an I-shaped plan configuration is formed from a pair of the channel segments interconnected in a back-to-back relationship, wherein adjacent end flanges form outer stud faces against which wall panels are supported, and adjacent fastener portions form connector channels in which the wall panels are detachably retained. A header/footer track is formed from a channel segment connected with a flat base strip, and is attached to the opposite ends of the stud by stud extenders to define a frame on which the wall panels are supported.