Abstract: A form-fitting cover that when placed over a supporting frame, can be used as an enclosed apiary. A configurable opening at the top directs the flight path of the bees up and away from outdoor living spaces and nearby homes.

Abstract: A portable windshield alignment and installation device and method of setting windshields mounts to a windshield wiper post to mark the position of a removed windshield, so that a replacement windshield can be set in the exact same position. The tool comprises a bracket having a base plate, a slide plate, and a face plate. The base plate mounts to a slave post, and the slide plate abuts a replacement windshield. The plates form longitudinal slots. A wiper post panel has an aperture. The aperture enables passage of the windshield wiper post for mounting. A face plate having a stud overlays the slide plate to support the replacement windshield to replace the windshield, and also protect the replacement windshield. The studs align with, and slides through the slots to enable horizontal and vertical adjustments relative to wiper post and replacement windshield.

Abstract: The insulating barrier of a panel including has a first stratum and a second stratum, each having a plurality of ridges that face each other, and run athwart of each other. Clearance between at least some adjacent pairs of the ridges provide a mechanical chase that reaches across at least most of the panel. A cladding overlaying at least one side of the insulating barrier is denser than the barrier. The mechanical chase is in the form of a groove through which a utility feed can be routed when the panel is to be mounted in a building.

Abstract: A battery housing for a traction motor battery of a vehicle is disclosed that includes a plurality of elongated impact absorbing carbon fiber reinforced polymer members attached to the walls of the enclosure. The impact absorbing members may be corrugated members that have ridges and furrows connected by ramp surfaces that define trapezoidal spaces relative to the sides of the enclosure. The ridges are designed to be deformed into the trapezoidal space in the event of an impact to absorb impact forces and protect the battery. The impact absorbing members may be retained by T-shaped guides on the outer surface of the walls of the enclosure or may be adhesively attached to the sides of the enclosure.

Abstract: A self-supporting panel is used to form building components, including roofs that have no independent supports for the panels between the ends of the panels. The panel system includes a base support or structural component having a top face sheet supported by longitudinally load carrying webs and a layer of insulation on the exterior of the face sheet. The insulation spans the entire face sheet to overlie connectors between the edges of adjacent panels when the panels are assembled to form a wall or roof, to eliminate thermal shorts.

Abstract: The invention relates to a structural member comprising a first and a second board member that are arranged in parallel to each other, and a filler element arranged between the first board member and the second board member. The filler element is a continuous sheet with a sheet plane that is substantially parallel to the first and second board member, and is moulded or vacuum-moulded so that cone-shaped cavity structures project outward from the sheet plane. The cone-shaped cavity structures are provided as truncated cones having a top and bottom, both having a substantially circular shape. One side of the sheet plane has a continuous, flat surface and the cone-shaped cavity structures project outward on the other side of the sheet plane. The cone-shaped cavity structures have a cone angle of approx. 5-45°.

Abstract: A housing component system having fiberglass resin forms secured in place with a binder such as cement. The forms may have a variety of forms and once secured with the cement will be strong avoiding the need for any reinforcement components such as reinforcing bar (rebars) of metal mesh.

Abstract: A ceramic board (1), of at least cement and gypsum, preferably in the proportions 1:10, and can include additional filler material in the composition. The board is used for various applications including as a door panel (31) or cabinet door (81). The board (21) can have channels, grooves, honeycomb, corrugations, or protrusions (22) extending along one or both faces which help to lighten the board whilst retaining rigidity, and which can have filler material (103) provided therein. The board (31) can have mounting points (35) for cabinet hinges or a lock, and can have internal strengthening members (142a,b,c) within the material of the board. The board or door can have an edge protector, which can be internal (153) or external (112). An end of the board can form a recess (184) for cables, pipes etc, which can be formed by internal strengtheners protruding from the end of the ceramic material (FIGS. 18a, 18b). The board can have an internal frame or skeleton embedded within the ceramic material.

Abstract: A sheet material (1) includes a stiffness-increasing concave-convex part (20). A first reference plane (K1), an intermediate reference plane (K3), and a second reference plane (K2) serve as a reference system. First reference areas (213), which have a specific shape, and second reference areas (223), which are all areas other than the first reference areas (213), are disposed in the intermediate reference plane (K3). The concave-convex part (20) is formed of first areas (21) as well as second areas (22) and/or plane areas (23).

Abstract: A sheet material (1) includes a stiffness-increasing concave-convex part (20). A first reference plane (K1), an intermediate reference plane (K3), and a second reference plane (K2) serve as a reference system. First unit areas (241) and second unit areas (242) are defined in the intermediate reference plane (K3). Each of the first unit areas (241) and the second unit areas (242) contains first virtual squares (243) and second virtual squares (244). Icosagonal areas that contain only adjacent first virtual squares (243) are designated as first reference areas (213), and icosagonal areas that contain only adjacent second virtual squares (244) are designated as second reference areas (223). The concave-convex part (20) contains first areas (21), which are formed based on the first reference areas (213), as well as second areas (22) and/or plane areas (23), which are formed based on the second reference areas (223).

Abstract: A process of manufacturing a cardboard building construction material, said cardboard building construction material comprising a plurality of glued cardboard plies, wherein the cardboard plies are rolled on a drum (122) into a roll (114) and wherein glue (134) is circumferentially applied in spaced apart strips (238) thereby defining a non-glued region between the strips, in which region a cutter (246) cuts the cardboard plies from an outer diameter toward an inner diameter of the roll (114).

Abstract: A unit structural member 20 for building utilizes an M-shaped channel 1 which includes a center U-shaped channel section 2 and right and left U-shaped channel sections 6, 5 continuously formed to share right and left side plates 4, 3 of the center U-shaped channel section 2. A channel trench 7 of the center U-shaped channel section 2 and respective channel trenches 9, 8 of the right and left U-shaped channel sections 6, 5 are opened in opposite directions. The unit structural member 20 for building is constituted with a pair of longitudinal beams 15 formed of long pieces of material of the M-shaped channel 1 in parallel at an established distance and a number of lateral beams formed of short pieces of material of the M-shaped channel 1 in parallel laterally between the parallely-arranged longitudinal beams 15 at established distances in the longitudinal direction of the longitudinal beams 15.

Abstract: A thin-sheet panel assembly. In one embodiment, a substantially rigid thin-sheet panel assembly having a non-rigid thin-sheet component includes the thin-sheet component which has selected plan area and shape, a backer having a plan shape and area substantially similar to the thin-sheet component, and plural riser elements of selected height and configuration each extending from the backer to distal ends connected to a reverse surface of the thin-sheet component, the riser elements being configured and disposed in an array which causes the assembly to have substantial rigidity in a selected direction in the thin-sheet component, and the thin-sheet panel assembly further includes a bar coupled to the backer and extending between at least one pair of adjacent riser elements of the plural riser elements.

Abstract: Disclosed is a reinforcement structure of a rectangular flat metal plate, which is provided with: a rectangular flat metal plate that is predominantly subjected to in-plane shear, and supports a compressive load as necessary; strip-like rectangular section members that are spliced in parallel with both side edges of the flat plate in the longitudinal direction so as to reinforce the flat plate; and a plurality of square tube-like members that are parallelly arranged for each constant interval in the shorter side direction of the flat plate, and are spliced on one side surface of the flat plate, or are spliced so as to overlap one another across the flat plate between both surfaces of the front and back of the flat plate, wherein the torsional rigidity and torsional strength of the rectangular flat metal plate are increased to ensure a yield shear load, and shear yield strength can be stably maintained even in the transition of shear deformation after the yield.

Abstract: The invention relates to a panel structure, in which structure at least two layer sheets (1,6;12,13;22,23;31,32;41,44,45) are fixed to each other with at least one connection member (2,11,21,33,42,43,46) and the connection member (2,11,21,33,42,43,46) is generated from one of the at least two layer sheets (1,6;12,13;22,23;31,32;41,44,45). At least part of the connection member (2,11,21,33,42,43,46) is diverged from the layer sheets (1,6;12,13;22,23; 31,32;41,44,45) forming at least one opening (8,17,27,35) through the layer sheet (1,6;12,13;22,23;31,32;41,44,45) wherefrom the connection (2,11,21,33, 42,43,46) is generated.

Abstract: A fiberboard panel is formed from at least one corrugated sheet of molded cellulose fiber material formed from a mixture of at least two different cellulose fibers, one of the fibers comprising bovine processed fiber (BPF). The panel has opposite first and second faces and is formed with alternating ribs and grooves. The ribs on the first face each have a first, flat peak and the ribs on the second face each have a second, flat peak facing in the opposite direction to the first peaks, the opposing first and second flat peaks forming opposing faces of the sheet. Each first peak is connected to adjacent second peaks by angled webs forming opposite side faces of ribs. The corrugated sheet may be sandwiched between two flat sheets of the same material to form a composite panel.

Abstract: Thermally responsive walls can be formed of wall panels made from different materials and having staggered conduits with respect to each other when coupled together (e.g., pancaked or layered) to form a wall at one temperature. The staggered conduits in the different wall panels are configured such that they become aligned at a second temperature due to differences in expansion coefficients. The wall panels can be designed using a computing system that processes an algorithm that accounts for various parameters, such as the different thermal expansion coefficients.

Abstract: Edge stiffened corrugated polymeric sheet material can be utilized as storm panels for mounting about a perimeter surface of an opening so as to protect the opening from wind and impact loads. The panels can include a corrugated sheet material having a corrugated contiguous band horizontally extending at about an end of the top and the bottom, wherein the corrugated contiguous band is complementary and contiguous to the plurality of corrugations of the corrugated sheet panel. The complementary and contiguous corrugated band can be configured to sandwich the sheet material. The panel may also include, individually or in combination, a contiguous band sandwiching the polymeric sheet material at a terminal end of each side and extending vertically from the top to the bottom. The panels provide wind and impact load protection for the opening.

Abstract: A structural element includes a continuous layer comprising a set of first main-faces defining a first surface and a set of second main-faces defining a second surface and the continuous layer extending between the first surface and the second surface, wherein along a first direction, the first main-faces and the second main-faces alternate in order and are connected by first side-faces, along a second direction different from the first direction, the first main-faces and the second main-faces alternate in order and are connected by second side-faces, and along a third direction different from the first direction and different from the second direction, a pair of neighboring first main-faces is connected by a first bridge-face, and the first bridge-face is connected to neighboring second main-faces by first bridge-side-faces.

Abstract: A structural member (100), particularly for lightweight construction, is described, comprising a two-dimensional extent, and a plurality of adjacent arranged hollow shaped elements (11, 11A) extending across the two-dimensional extent of the structural member, wherein the hollow shaped elements (11, 11A) each have a continuous peripheral side wall (12) and the adjacent hollow shaped elements are connected to each other at their side walls, and wherein two structural spacing parts (15,16), which extend in parallel to the two-dimensional extent of the structural member and form arrangements of the hollow shaped elements (11, 11A), wherein each of the structural spacing parts (15, 16) has a base layer (13, 14) on which the hollow shaped elements (11, 11A) belonging to this structural spacing part (15, 16) are arranged at mutual intervals, and the structural spacing parts (15, 16) are arranged in opposite orientation so that the hollow shaped elements (11, 11A) of the first structural spacing part (15) protrude i

Abstract: A structural insulated panel is composed of a structural member in a corrugated form and a cohering, insulating filler material. The structural member has a plurality of front surfaces spaced laterally apart from each other and a plurality of back surfaces spaced laterally apart from each other and spaced apart in depth from the front surfaces. The structural member has a plurality of chord panels which span between corresponding edges of respective pairs of the front surfaces and the back surfaces. Chase channels are formed between adjacent pairs of the cord panels and one of the front surfaces or one of the back surfaces. Each chord panel defines a plurality of apertures. The filler material fills the chase channels, binds to the front surfaces, back surfaces, and chord panels, and extends through the apertures in each of the cord panels to structurally connect the filler material in adjacent chase channels.

Abstract: A mini-truss thin-sheet panel assembly. In one embodiment, a substantially rigid thin-sheet panel assembly having a non-rigid thin-sheet component includes the thin-sheet component which has selected plan area and shape, a backer having a plan shape and area substantially similar to the thin-sheet component, and plural riser elements of selected height and configuration each extending from the backer to distal ends connected to a reverse surface of the thin-sheet component, the riser elements being configured and disposed in an array which causes the assembly to have substantial rigidity in a selected direction in the thin-sheet component.

Abstract: A fiberboard panel is formed from at least one corrugated sheet of molded cellulose fiber material having alternating ribs and grooves. Spaced slits are cut through the ribs on one face of the sheet and terminate short of the opposite face so as to form at least one slotted portion of more flexibility which may be bent to form a curve. The corrugated sheet is sandwiched between two flat sheets of the same material to form a composite panel. The corrugated sheet or panel is formed by a wet processing method including successive cold and hot press steps in which a wet mat is pressed between an opposing perforated platen and non-perforated, elastomeric material platen of cross-sectional shape substantially matching the desired panel shape and dimensions.

Abstract: A top board structure capable of easily and simply assembling and welding a reinforcing frame to a top board body, providing a sufficient strength with a reduced weight, and reducing abnormal noise that might occur when an impact is applied.

Abstract: The present invention relates to a reinforcement liner installation mold for a corrugated steel plate structure. The reinforcement liner installation mold for the corrugated steel plate structure according to the present invention is mounted on one surface of a corrugated steel plate and forms a reinforcement liner when concrete is placed inside the mold the placed concrete cures. The mold includes a plurality of unit mold panels, each having a rectangular front panel part and two side panel parts integrally formed along the opposite lengthwise edges of the front panel part. The plurality of unit mold panels is sequentially fastened to the corrugated steel plate by a plurality of anchor bolts and a plurality of nuts along the outer surface of the corrugated steel plate in a lengthwise direction.

Abstract: A thin-sheet panel assembly. In one embodiment, a substantially rigid thin-sheet panel assembly having a non-rigid thin-sheet component includes the thin-sheet component which has selected plan area and shape, a backer having a plan shape and area substantially similar to the thin-sheet component, and plural riser elements of selected height and configuration each extending from the backer to distal ends connected to a reverse surface of the thin-sheet component, the riser elements being configured and disposed in an array which causes the assembly to have substantial rigidity in a selected direction in the thin-sheet component, and the thin-sheet panel assembly further includes a bar coupled to the backer and extending between at least one pair of adjacent riser elements of the plural riser elements.

Abstract: A fire suppression surface system comprises a flat sheet and a plurality of support members. The sheet has fluid channels therethrough. The support members lie on a support surface in a spaced-apart arrangement, and the sheet rests on the support members substantially parallel to and offset vertically above the support surface and defines with the support surface a containment space for receiving fluid spilled on the upper surface of the sheet that flows through the fluid channels. Area of channel upper openings is larger than about twice area of lower openings so as to restrict flow of air into or restrict escape of combustion products from the containment space, thereby suppressing combustion of a flammable fluid spilled on the sheet. A method for suppressing combustion of flammable fluid spilled on the support surface comprises covering the support surface with the sheet supported by the support members.

Abstract: A reinforced panel, made of a composite material, includes a single base layer. A first plurality of mutually parallel ridges is affixed to the surface of the base layer. A second plurality of mutually parallel ridges is also affixed to the surface of the base layer, but oriented transverse to the first plurality. Structurally, the ridges and the base layer are co-cured to create an integral, continuous structure that provides stiffness and rigidity to the panel.

Abstract: A composite panel for the construction of floors, walls, beams and pillars, comprising a prismatic or parallelepiped-shaped laminated structure body consisting of a plurality of corrugated sheets that are arranged in parallel planes. The corrugations of each sheet are extended in directions parallel to each other and crossed relative to those of the adjacent corrugated sheets. The valleys of the corrugations of a sheet are linked to the peaks of the corrugations of the adjacent sheet. The panel comprises perforated reinforcing tubular members that are fixed on outer surfaces of the laminated structure body.

Abstract: The present invention relates to a roof system for installation on an existing roof. The existing roof has a plurality of open web steel joists with an existing metal deck thereon. The roof system includes a plurality of deck straps, a roof deck and roofing and insulation. The plurality of deck straps are attached to the open web steel joist through the existing metal deck. The deck straps have a plurality of alternating lower portions and upper portions. The lower portions are attached to the open web steel joist. The upper portions extend upwardly of the existing metal deck. The roof deck is attached to the upper portions of the continuous deck strap. The roofing and insulation is attached to the roof deck.

Abstract: A fire resistant wall includes a frame assembly utilizing tubular steel studs having at least one opening at the bottom and at the top, a stratum of fire resistant material disposed in the inter-stud space, and a trim assembly structured to protect the gaps between adjacent panels. The openings in the studs allow hot fluid within the studs to be exhausted in a remote location and cool fluid to be drawn in from another remote location. The stratum of fire resistant material disposed in the inter-stud space resists heat and flames contacting the lateral sides of the studs when the inner stratum of the firewall collapses, or when gaps appear between adjacent inner stratum panels. The trim assembly preferably includes a metal bar with a concave back surface disposed over the gap between adjacent panels and an intumescent caulk disposed at least partially within the gap. An intumescent caulk expands when exposed to heat and fills the gap between inner stratum panels.

Abstract: A method of welding a deck plate and a closed section rib both constituting a steel plate deck, comprising: working a root portion of the closed section rib to have a flat surface in parallel with a surface of the deck plate; and welding the deck plate and the closed section rib while making the flat surface of the closed section rib to be in contact with the surface of the deck plate.

Abstract: A panel connector for interconnecting adjacent panels, wherein the panels have one or more flanges each having an edge. The connector comprises a portion of sheet material arranged to extend from the edge of the panel with a curved profile having an inner end adjacent the edge of the panel and an outer end. In transverse cross section, the curved profile includes a first portion extending from the inner end in a generally elliptical path and a second portion extending from the first portion to the outer end. The second portion curves inwardly from the generally elliptical path and the curved profile of the connector curves through at least 360 degrees. The second portion defines an opening between the inner end and the outer end to receive a portion of a further connector on an adjacent panel of the same shape.

Abstract: Disclosed is a fire retardant roof system with a roof deck, a sealant material applied to the roof deck to prevent fluid migration, a polystyrene insulation board upwardly adjacent the sealant material and a sealing material upwardly adjacent the polystyrene material.

Abstract: The invention includes a corrugated decking flooring system. The corrugated decking flooring system can include a corrugated deck having at least two flutes and a trough between the flutes. A sound insulation layer generally conformal with both the flutes and the troughs of the corrugated deck can be provided. An underlayment layer can be provided over the sound insulation layer.

Abstract: A subframe for retrofitting an existing roof with a new roof is disclosed. In some embodiments, the subframe comprises a base, a first and second longitudinal flanges, a first wall extending between the base and the first longitudinal flange, a second wall spaced apart from the first wall and extending between the base and the second longitudinal flange, and a traversely-oriented punch out passing through the base, the first wall and the second wall. The punch out is configured to receive a rib of the existing roof. Once installed on the existing roof and coupled to the new roof, the subframe and new roof form an enclosed, self-supporting structure with increased structural capacity and stability in comparison to conventional retrofitted roof systems.

Abstract: Edge stiffened corrugated polymeric sheet material can be utilized as storm panels for mounting about a perimeter surface of an opening so as to protect the opening from wind and impact loads. The panels can include a corrugated sheet material having a corrugated contiguous band horizontally extending at about an end of the top and the bottom, wherein the corrugated contiguous band is complementary and contiguous to the plurality of corrugations of the corrugated sheet panel. The complementary and contiguous corrugated band can be configured to sandwich the sheet material. The panel may also include, individually or in combination, a contiguous band sandwiching the polymeric sheet material at a terminal end of each side and extending vertically from the top to the bottom. The panels provide wind and impact load protection for the opening.

Abstract: A lateral force resisting system according to the present disclosure includes a metal lateral force resisting panel and holdowns. A foundation bolt placement template may be used to locate and support the foundation bolts during fabrication of the foundation and to further secure the frame foundation interface. The metal lateral force resisting panel may be formed from a single piece of material and may include a plurality of ductility apertures forming lateral force resisting elements to enable the panel to flex without catastrophic failure. In a hybrid configuration, a wooden structural frame may be combined with the metal structural panel. The structural panel may be subdivided into multiple panes using ductility apertures to tailor the response of the panel to the lateral force load. The holdowns secure the rigid structural panel to the foundation bolts and may be either a folded strap and pin configuration or self-tightening.

Abstract: A roofing material having the appearance of decorative shingles and/or roofing tiles. The roofing material comprises a bulk polymeric foam material which includes additional structural support which provides increased strength and durability at the front surface of the roofing material. The roofing material includes a mesh material which is disposed near the front surface of the roofing material. The roofing material may additionally include a barrier layer which further protects the surface of the roofing material.

Abstract: A lightweight cementitious panel/tile is provided with increased bending stiffness and less weight than conventional construction panels. The cementitious panel is constructed of a cementitious surface (which may be reinforced with wood fiber or other materials) supported by an integrated stiffener grid on the underside to absorb stresses and loads.

Abstract: An insulating glazing unit includes a pair of glazing sheets spaced apart with a spacer assembly. The spacer assembly includes an inner spacer member and an outer spacer member that are fabricated in a linear fashion and then folded into a frame. The outer spacer member may be initially formed in a flat configuration, cut to width, and then wrapped around the inner spacer member to form the spacer assembly. The outer spacer member carries the desiccant of the spacer assembly. The outer spacer member may also be gunned directly to the inner spacer member.

Abstract: A modular window well arrangement includes one or more window well members. The window well members can be interconnected in a vertically stacked arrangement to provide the required overall height. Snap-connectors interconnect the vertically adjacent window well members, and a plurality of steps provide for escape. The window well members may have different sizes, and extension walls may be utilized to increase the size of the window well members to provide for a wide variety of configurations. The window well members may be made of a relatively lightweight structural foam material.

Abstract: A prefabricated roof plate element (4), including one or more longitudinal box-shaped girders (24), each consisting of two predominantly U-shaped metal sections (10, 18) which at mutually facing, open sides are interconnected along narrow outwards bent lateral edges (5), the girders (24) being connected at upper and lower narrow sides corrugated in longitudinal direction with corrugated metal plates (7) corrugated in transverse direction and having approximately the same width as the roof plate element (4), the girders (24) being disposed along opposing sides and at the centre of the roof plate element (4), where the girders (4) and the roof plate element (4), respectively, are designed with reduced height/thickness at an end part intended for forming eaves (6). By means of simple technical measures is hereby achieved substantial projecting advantages which furthermore have appeared to enable an architecturally very simple and light construction of the visible part of the roof plate on buildings.

Abstract: A fire door designed to slow the progress of a fire in a dwelling or commercial building. More particularly, a fire door having one or more vertical stiles that include a layer of intumescent material.

Abstract: An extruded hollow aluminum alloy panel includes a panel body and a guide rail that are integrally formed by extrusion so as to extend in an extrusion direction. The panel body has a plurality of closed spaces defined between plates by ribs in a cross section perpendicular to the extrusion direction. The guide rail has an open space in the cross section.

Abstract: Disclosed herein are storm panels and methods for manufacturing the same. In one embodiment, the storm panel comprises a polymeric sheet having an arced geometry. The polymeric sheet comprises, a polymeric substrate layer, a polymeric top layer comprising an ultraviolet light stabilizer, a polymeric bottom layer comprising an ultraviolet light stabilizer. The storm panel has a uniform thickness, exhibits less than or equal to about 4.0% haze, and exhibits a yellowness index shift that is less than or equal to about 9.0 after 1,500 simulated hours of aging.

Abstract: A fiberboard panel is formed from at least one corrugated sheet of molded cellulose fiber material having alternating ribs and grooves. Spaced slits are cut through the ribs on one face of the sheet and terminate short of the opposite face so as to form at least one slotted portion of more flexibility which may be bent to form a curve. The corrugated sheet is sandwiched between two flat sheets of the same material to form a composite panel. The corrugated sheet or panel is formed by a wet processing method including successive cold and hot press steps in which a wet mat is pressed between an opposing perforated platen and non-perforated, elastomeric material platen of cross-sectional shape substantially matching the desired panel shape and dimensions.

Abstract: A method of constructing a wall of a building by casting in which formwork is erected and concrete is allowed to exude through perforations in the formwork, embedding the formwork in concrete and obscuring it from view. A panel for carrying out the method, a thin-walled sheet with multiple perforations for the escape of the concrete during casting, has brackets or clips to fasten it to the adjacent formwork creating a casting space between the panel and the supporting formwork. Floating the expressed concrete produces a smooth finish.

Abstract: A shelter comprises a roof, a floor, and a plurality of side walls secured to the floor and the roof. At least one of the floor, the roof, and the plurality of side walls comprises an exterior panel, an interior panel, and an attachment device secured to the exterior panel and the interior panel for relative movement of the exterior panel and the interior panel between collapsed and expanded positions. An associated method of assembling the shelter is disclosed.

Abstract: A floor/ceiling 10 has downwardly extending ribs (14) separated by downwardly opening channels (16). The floor/ceiling member (10) sits down on a horizontal header (32) that is on top of a building wall that extends perpendicular to the ribs (14) and the channels (16). A preformed wall panel (24) has a lower strip portion (26) that is connected to a side flange (36) on the header (32). Preformed wall panel (24) has upwardly directed peaks (28) and upwardly opening valleys (30). The peaks (28) are sized and shaped to snuggly fit within the ceiling channels (16). The valleys (30) are sized and shaped to snuggly receive the ribs (14) when the peaks (28) are in the channels (16). A continuous lower strip portion of the preformed wall panel (24) is connected to the flange (36) of the header (32), below the ribs (14). The peaks (28) extend into and block or close off the channel openings formed in and by the channel (16) above the web (38).