Abstract: A method of assembling a deck board by using a step clip fastening device is disclosed. The method comprising the steps of fastening the step clip fastening device onto a joist by using a plurality of fastening tools; sliding a first end of the deck board into an inner cavity of a step clip attached at a first end of the step clip fastening device; and snapping a second end of the deck board into an inner cavity of a corresponding step clip facing the step clip attached at the first end of the step clip fastening device to form a mating relationship between the deck board and the step clip fastening device.

Abstract: The invention relates to a surface covering system, and, more specifically, to an improved linear surface covering system. The improvement includes each plank of the system having multi-directionally cut grooves. The improvement further includes clip projections which conform substantially to a notch formed by the multi-directional grooves. The system also includes an improved splice plate for stabilizing two adjacent planks positioned in end-to-end relation.

Abstract: One aspect of the disclosure is a siding panel end plug including a body having a front face, a rear face, a side face connecting the front face and rear face, a top edge, a bottom edge, and a hollow space located between the front face, rear face, and side face. The siding panel end plug further includes a first locking mechanism disposed on the top edge and a second locking mechanism disposed on the bottom edge. The first locking mechanism and the second locking mechanism facilitate both locking and unlocking of the siding panel end plug from a second siding panel end plug and a third siding panel end plug.

Abstract: A step clip fastening device, the step clip fastening device comprising: an elongated base strip having a first end and a second end, wherein a female locking part is attached to the first end and a male locking part is attached to the second end; a plurality of step clip sets extending substantially perpendicularly upwards from the base strip, wherein each of the step clip set comprising at least two step clips arranged in a back-to-back configuration, wherein a step clip is attached at each of the first end and the second end of the base strip; an anchor protruded at a center of each of the step clip; and one or more tabs extending substantially perpendicularly downwards from the base strip between two corresponding step clips facing each other.

Abstract: A privacy apparatus includes one or more substantially cork panels. Each panel can be configured to provide visual and/or sound privacy for a certain work space. The panel can be supported on a floor via one or more base elements and/or may be reinforced in rigidity and/or strength via one or more supports. Some embodiments of the apparatus can include a first panel and a second panel attached together via one or more supports press fit within openings defined in rear faces of the panels.

Abstract: A system and method used in residential and commercial construction of floors, ceilings and roofs, where a beam and hanger together support a joist/rafter to which sheathing is applied. Hanger design features include bendable stiffeners that provide pinching structural support for opposing sides of an engineered wood I-joist web after the joist/rafter is seated into the bridge of the hanger, providing a superior structural interface connection, less material cost, and no contact between the hanger and sheathing which reduces unwanted noise in finished construction. Additional strengthening of the structural/load-bearing interface between the joist/rafter and beam may include selected horizontally-extending dato, groove, cut, or other detail formed in the support beams during their manufacture/milling and rearwardly-extending protections on the hanger configured to engage the detail.

Abstract: A system for partitioning an interior space includes a plurality of slotted, horizontal and vertical frame components configured for stable, permanent or temporary mountings. In one implementation, the frame components are configured to receive a plurality of different panels, such as glass or resin panels (or panes). The panels can be assembled with the frame components on site into virtually any length or shape, and can further be removed and replaced on-site as needed or desired without necessarily requiring complicated deconstruction efforts. In one implementation, a manufacturer can prepare preliminary assembly into which a plurality of different panels are inserted in any horizontal or vertical alignment. The manufacturer can the position an end frame-component to complete the sub-assembly after the different panels are inserted therein.

Abstract: A system for partitioning an interior space includes a plurality of slotted, horizontal and vertical frame components configured for stable, permanent or temporary mountings. In one implementation, the frame components are configured to receive a plurality of different panels, such as glass or resin panels (or panes). The panels can be assembled with the frame components on site into virtually any length or shape, and can further be removed and replaced on-site as needed or desired without necessarily requiring complicated deconstruction efforts. In one implementation, a manufacturer can prepare a preliminary assembly. The manufacturer can then insert a plurality of different panels therein in any horizontal or vertical alignment. The manufacturer can then position an end frame-component to complete the sub-assembly after the different panels are inserted therein.

Abstract: Window assembly comprises a wedge packing assembly and/or a deformable packing assembly for fitting between a glazing unit and a frame of a window assembly to support the glazing unit within the Frame. The deformable packing assembly comprises a base, and a plurality of elongate deformable fingers which project from the base and upon which the glazing unit is supported. The fingers are arranged in an array on the base and are adapted to, in use, bend. The wedge packing assembly comprises a first wedge element having a base surface and an inclined surface at an angle to the base surface. The first wedge element is adapted to be fitted between the glazing unit and frame along an edge of the glazing unit with the inclined surface inclined at an angle to the normal of the plane of the glazing unit and window assembly. The wedge packing assembly may then further comprise a second wedge element.

Abstract: A modular structure assembled with different prefabricated and measured interlocking component elements made from a light-weight synthetic material. The component elements, including vertical stud members, horizontal support members, wall truss support members, rafter members, slip connector members, corner connector members, and a center truss support member, are assembled in an interlocking manner with optional secondary fastening components for further securing of the elements together upon assembly where local building codes require such secondary fastening. The component elements are resistant to weather, rot and insect destruction and the assembly of the modular structure does not require tools or labor required in the assembly of structures using conventional building materials or lumber.

Abstract: A wall structure includes at least two studs that are designed to support panels front and back, and end caps or raceway channel defining members on the leading and trailing edges of the panel wall structure. Each of the studs includes sets of oppositely arranged flanges that in turn cooperate with marginal edges of both the panels and the raceway defining members. Cross bracing is provided to allow wiring either within the enclosed space between the panels, or more preferably in the wireways defined in the raceway members so that the power and data communication conductors can be isolated from one another. The feature of the panel structure is that the panels themselves can support light fixtures or other lightweight electrical devices, and heavier electrical devices or units can be accommodated from the cross bracing or from shelves secured to the cross bracing and to the studs.

Abstract: A track arrangement for supporting wall studs is provided. The track arrangement includes a central longitudinal extension, first and second sidewalls and a first stud clip arrangement comprising a pair of stud clips. In a preferred embodiment, each clip comprises a portion of the sidewall bent inwardly, to form a cam surface and a stud ridge receiver. During use, the stud is forced toward the cam surface, bending the clip until a portion of the stud, specifically a stud ridge, is received in the stud ridge receiver. This will secure the stud in place, against undesired movement relative to the track. Wall assemblies are provided which preferably involve one such track arrangement positioned on the floor as a floor track, and one on the ceiling, as a ceiling track, with a stud extending therebetween. The wall framework assembly can be assembled as a slip track, or as a non-slip track.

Abstract: A fluid leak capture and drainage system for ceiling leaks which includes a ceiling panel support grid and a plurality of ceiling panels mounted thereon is disclosed. The ceiling panel has a raised platform located in the center of the panel and a wall extending along the periphery of the panel so that a perimeter trough is formed between the platform and the wall. The wall has a top edge and a rim extending outwardly and generally perpendicularly from the top edge of the wall and at least one opening formed through the wall. A fitting is connected to the opening and tubing is attached to the fitting for draining the trough as fluid collects therein.

Abstract: A spring clip member for a storage building is provided. The spring clip member is adapted to be snap-fit to an elongate structural member of the storage building. The spring clip member includes a first portion shaped to follow a first contour of the elongate structural member, a second portion extending from said first portion and shaped to follow a second contour of the elongate structural member, a third portion extending from said second portion and shaped to follow a third contour of the elongate structural member, and a deflectable portion extending from said third portion and adapted to elastically deflect and to securely engage the elongate structural member. The spring clip member may be, for example, part of a gable member adapted to be snap-fit to an upper panel channel of a storage building, or, alternatively, part of a debris deflector adapted to be snap-fit to a lower panel channel of a storage building.

Abstract: A panel structure for a building panel system to cover an exterior wall of a building. The panel structure comprises identical frame members fixed to the back surface of the panel, one along at least two of its edges. The frame members have mounting portions projecting away from the panel, each two opposed hook. The mounting portions of frame members extending along opposed edges of the panel are in longitudinal mirror symmetry to each other, so the panel structure does not have a specific orientation.

Abstract: The flooring includes a treading layer extending in a given plane, and supporting formations extending from the treading layer along respective directions of extension, in which at least some of the supporting formations extend with their respective direction of extension, which is oblique with respect to the given plane of the treading layer. The supporting formations include first supporting formations in the form of a first array of ribs, which are substantially parallel to one another and extend from said treading layer with their respective directions of extension, which are oblique with respect to the given plane of the treading layer, and second supporting formations include a second array of ribs, which extend from the treading layer in a substantially orthogonal direction with respect to the given plane of the treading layer and are set crosswise with respect to the first array of ribs.

Abstract: A composite masonry block and wall system for skirting elevated structures. The block is shaped to be stacked in vertically independent columns, held in place by specially shaped, lightweight beams placed between adjacent columns, and also by synthetic U-shaped lateral supports which open downwardly and are attached to the bottom of the elevated structure.

Abstract: A method of partitioning an office space includes providing an interlocking framework unit including at least one vertical framework configured to receive and support at least one partitioning material, at least one skirting framework configured to receive and support at least one partitioning material, at least one covering framework configured to receive and support at least one partitioning material, at least one window framework configured to receive and support at least one of at least one partitioning material and at least one window and at least one door framework configured to receive and support at least one of at least one partitioning material and at least one door; the interlocking framework unit being configured to form at least one internal conduit for plural cables between adjacent partitioning materials from a ceiling level through the at least one skirting framework positioned at a floor level when assembled and assembling the interlocking framework unit such that the at least one internal co

Abstract: A wall facing system including elongate wall facing tiles (15) of stone material and mounting bars (11) adapted to be secured in a vertical position on a building wall to support the tiles (15) with the tiles positioned one above the other and having their longitudinal dimension horizontal, and with vertically adjacent tiles adjacent and, optionally, overlapping one another. Each facing tile (15) has on its front side a rebate (15A), which extends along the upper edge of the tile, and a front plate, which extends from the rebate down to the lower edge of the tile. Moreover, each facing tile (15) has on its rear side a downwardly projecting support rib (15E), which extends in parallel with the upper and lower edges of the tile.

Abstract: A wall panel mounting system for releasably securing a preformed wall panel to a wall. The system includes a bracket including a base portion adapted to be attached to the wall and at least one leg extending outwardly from the base portion. The wall panel includes a frame having a front surface supporting a fabric thereon, with the frame including a rear wall having a recessed slot therein adapted to receive the at least one leg therein. The at least one leg and opposing walls defining the recessed slot have an interfering engagement to releasably hold the wall panel in place on the wall.

Abstract: The present invention provides a system for attaching a panel to a building wall using an elongated channel. The panel has a main panel portion, a panel edge portion and a groove therebetween. The elongated channel has a body and a pair of rails. The body is attachable to the wall by a fastener. The pair of rails are integrally formed with the body, extending substantially perpendicularly from the body in the same direction. One, or both, of the rails ends in a flange that is contoured to engage the cavity formed by the groove when the panel edge portion is bent around the groove and toward the rail.

Abstract: A bracket mounted facade structure comprises a girder part, preferably horizontal girder parts (1), which with one girder part, preferably an H section girder part (2) and/or with a U section girder part fit around parts of the facade tiles (3 and 4), more particularly tile flanges (5 and 6) with play. In order to improve such structure technically and economically, the vertical play (7) between the preferably ceramic facade tiles (3) or tile flanges (5) and the center web (8) of the girder part or, respectively, of the U section girder part or, respectively, of the H section girder part (2) is completely or partially filled by components, preferably pins (9). Such pins (9) are secured in position by facade tiles (10) placed thereover or by the flanges (5) thereof to prevent them from falling or being pulled out.

Abstract: A panel door has a generally rectangular panel which is seated in a frame provided by opposed pairs of integrally formed gasketless door stile and rail elements. Each frame element has an outer wall, a front wall, and a rear wall. The juncture of the rear wall and the outer wall of the aluminum extrusions is configured to enable resilient deflection of the rear wall relative to the outer wall, and the front and rear walls form a channel therebetween to receive the edge portion of the panel. Corner connectors couple the ends of the stiles and rails. The resiliently deflectable rear walls bear upon the rear surface of the panel and press it against the front wall to securely seat it in the channels.

Abstract: A track assembly includes a track on which several studs may be quickly fastened at predetermined intervals. The studs include a standard C-shaped member having inwardly-directed lips located on a pair of transverse walls thereon. The track assembly is provided with several tabs which can be bent around the lips of each stud in order to mount the stud to the track and restrict movement of the stud in first and second directions with respect to the track.

Abstract: The invention relates to a wall board suitable for fixing to two profiles (1) extending vertically along the edges of the wall board (5), wherein the wall board is adapted for gripping by the profiles in form-fitting manner. As a result of this step no use need be made of fixing means which grip directly onto the wall board itself, so that damage of the wall board itself is avoided, and the boards with the profiles are completely re-usable. It is even possible to arrange finishes on the boards before assembly. According to a preferred embodiment the gripping means are formed on at least a first edge of the wall board (5) by noses (12) arranged on the profile, wherein a groove for the profile extends partially between the nose and the wall board.

Abstract: A glazing system for a sliding glass door includes an existing glass pane and an existing door frame having an existing door frame upper surface and having a glass receiving channel recessed into the existing door frame upper surface, the system including a reinforced glass pane having a pane inner face for orienting toward the interior of a building and a pane outer face for orienting toward the outside of a building and having a transparent, shatter-proof film secured onto the pane inner face with a film securing mechanism, and a mounting structure having a mounting member with a member anchoring portion for securing into the channel with an anchoring portion securing mechanism and a pane mounting flange having a flange inner face for directing toward the interior of a building and a flange outer face for directing toward the outside of a building, the film being secured to the flange outer face with a pane securing structure.

Abstract: An elevationally adjustable folding stage has a frame which folds from a storage position to use position. Stage panels form a stage surface and are reversibly and interchangeably mounted. Connectors insert into passages from the stage frame through the stage panels and provide quick connection without additional connector elements. The connectors rotate within the channel and compress an annular sleeve member axially, forcing the sleeve outward to engage the sides of the passage and secure the stage panel to the stage. The connectors are at or below the upper stage surface and are accessible axially from above by an actuator tool.

Abstract: A shear resisting member of a frame structure comprising four triangular cross-section beams, each beam or stud formed from a single piece of cold formed sheet steel which is bent lengthwise along four parallel lines to form a triangular cross-section with two wings or flanges, side-by-side, extending from its apex. Within the frame structure of the shear resisting member, two frame beams have first beam lengths corresponding to the longer dimension of the opening in the wall to be reinforced, which are disposed parallel to each other. The other two beams have second beam lengths substantially shorter than the first beam lengths, the second beam length corresponding to the spacing between the frame studs or truss members of the structure being reinforced. Gussets are attached along the lengths of the wings or flanges of the second beams and the ends of the first beams to fasten the frame structure together.

Abstract: In order to simplify the quick and easy re-construction of a clean room which is constructed of prefabricated panels that are adapted to be connected to stud members, and to avoid the use of screws and bonds, a trim system which features a plurality of different trims is provided. By selecting a suitable trim from the plurality, and fitting it onto an edge of a panel by way of a channel or receiving portion provided thereon, it is possible to use existing studs and double finger T-clips to combine a variety of different panels together while taking advantage of a propriety type connection flanges which may be formed on some of the panels which are available.

Abstract: A decorative and protective structural tile matrix for covering a base surface, such as a wall or countertop, is provided. A set of tiles comprise a subset of fixed tiles and a subset of removable tiles. The fixed tiles are permanently attached to the base surface by an adhesive. The removable tiles each provide a precast flexible grout sleeve of an elastomeric material, such as a plastic or rubber compound. The sleeve conforms to, and extends around, at least a portion of a peripheral edge of the removable tile. Each of the removable tiles takes a position between the fixed tiles such that the sleeve is compressed between the peripheral edges of the fixed tiles and the removable tile. As such, a compressive force is generated for holding each removable tile in place on the base surface. Alternatively, the sleeve is fixed to the base surface and has an outwardly extending frame defining pockets for insertion of a number of removable tiles.

Abstract: The fastening device for objects, more particularly cladding panels or parts of apparatus, comprises a profile bar receiving the object to be fastened. The profile bar is essentially formed of a center profile and a respective adjacent lateral profile on both sides which are designed in such a manner that the center profile and one of the lateral profiles form a respective continuous clamping channel receiving a portion of the object to be fastened. This allows a very simple attachment of a variety of objects without any visible fastening elements.

Abstract: Where a structural frame has elongated spaced parallel framing members therein, longitudinally extending edges of which are substantially coplanar with one another on one side of the frame, boards of wood facing material are superimposed on the edges of the framing members, and interlocked with one another, as well as with the framing members, at male/female joints formed therebetween along parallels to the right angular coordinates of the frame in the plane of the edges. The joints take the form of tongue and groove joints, and in the case of those between the boards and the framing members, the joints are also dovetailed. Certain improvements in sheet metal clad wood facing materials are also shown, as is a process for making boards of sheet metal clad wood facing material from planks of wood which are only partially dried when they are put to use in the process.

Abstract: A mounting member for mounting face tiles on a building wall comprises an elongate profile member (11) adapted to be secured in vertical position on the building wall and having longitudinally spaced support hooks (17), each adapted to support a face tile. A resiliently displaceable retaining lip (10) is provided beneath such support hook (17). When in relieved condition, the retaining lip (19, 119, 219) projects forwardly from a tile backing plane (16) defined by the profile member so as to overlie a face tile supported by the next underlying support hook (17) and thereby prevent upward displacement of the face tile.

Abstract: A prefabricated sleeper reduces labor costs associated with installing an anchored, resilient hardwood floor system. The prefabricated sleeper includes an elongated channel, pads located along the channel and an elongated nailing strip supported on the pads within the channel. A plurality of vertical access holes extend through the nailing strip. The pads are removed laterally from the access holes. The access holes enable a fastening gun to be inserted therein and into direct contact with the bottom of the channel to facilitate driving of fasteners through the bottom of the channel and directly into a base below. This prefabricated sleeper is formed by milling an elongated wooden strip to a desired T-shape and then drilling access holes therethrough. Pads are then stapled to the enlarged end of the T-shape, away from the access holes. An elongated sheet of steel is then rolled around the pads and the sides of the nailing strip to form a C-shaped channel thereabout.

Abstract: A stone/mount combination being mountable to a wall. The stone/mount combination consists of a stone and two mounts. The stone has two parallel edges in each of which a slit is defined. Each mount has a body, a number of fine perpendicularly extending from an edge of the body and a flange perpendicularly extending from an opposite edge of the body. The flange formed on each mount is secured, by means of an adhesive material, in a corresponding slit defined in the stone. Each fin defines a number of apertures. A plurality of screws are inserted through the apertures. A plurality of screws are inserted through the apertures defined through the fins and are further secured to the wall.

Abstract: According to the invention, there is provided an exterior wall unit for an exterior wall of a building structure, which comprises a siding member (10) made of a metal and one or more porcelain tiles (20) corresponding in size to and fitted to the outside surface of the siding member (10), the siding member (10) having the outside surface formed with engaging means (16) extending in the horizontal direction for engagement with the tile or tiles (20), each tile (20) being formed with engaging means (23) for engagement with the engaging means (16) of the siding member (10), each tile (20) being coupled to the outside surface of the siding member (10) to be integral therewith with the engagement of both the engaging means (16, 23).

Abstract: The invention herein teaches a crown system for kilns and furnaces for the high temperature firing of materials. One method used in the industry for a crown system consists of supporting layers of insulation with inverted T-rails attached to bones which are further attached to hanger devices hanging from pipes that rest upon an ultimate support system. To overcome the numerous problems associated with the prior art the following considerable modifications have been made: 1) slotting each inverted T-rail, along its narrow attaching flange and adding stops to each side of said slot such that the bone is evenly spaced along the T-rail when inserted and slid into position, 2) fitting rigid insulation cases fully between the bones and adjacent layers of insulation and 3) said insulation cases and said T-rail stops combine to lock said bones in position.

Abstract: A stone cladded system for walls, including metal battens mounted in arrays of vertically extending, laterally spaced battens on a supporting wall structure of a building. Stonelike cladding members extruded or molded from cementious material are mounted on the battens and provide an exterior wall surface for a building. The battens provide upwardly facing, hook-shaped support projections which extend into downwardly open grooves in the cladding members to support the cladding members on the battens. Bendable locking tabs are provided on the battens which are bent out over the upper edges of the associated cladding members to lock the cladding members in position in engagement with the hook-shaped support projections.

Abstract: The disclosed apparatus comprises an outfit of frames of tubular steel, display boards, and securing clips. Some of the clips are frame-to-frame clips, which have symmetrical snap-on C-shaped profiles. Others of the clips are frame-to-board clips, which have one snap-on profile, and one channel shaped profile to grip the board. Still others of the clips are frame to flat surface clips which have one snap on profile, and one flat surface. The resulting modular exhibition display panels are versatile as to their design, and readily adjustable if it should turn out that some changes are needed. The panels are markedly light in weight yet can be strong enough to survive being erected, dismantled, transported, and rebuilt many times.

Abstract: Sheets of a vessel or other construction are joined edge to edge by deforming an edge of each sheet to have a projection from one face of the sheet, the deformed edge is entered into a slot of a joining strip and the outstanding projections are moved across in the slot so that they engage against an abutment extending into the slot from a surface of the strip. Another surface of the strip has teeth extending into the slot. A key, having teeth complementary to the slot teeth, is inserted into the slot to bear against the other face of the sheet and thereby maintain the engagement of the projections with the abutment. The ends of the joining strips are then clamped with such pressure that sliding of the sheet edge within the slot is inhibited and the slot is prevented from opening by clamping forces exerted by and within the assembled structure.

Abstract: The invention comprises means of constructing insulated enclosures and structures for housing, storage, emergency shelter and vacation homes. The structural materials required comprise principally only two components, panels of plastic insulating foam and extruded plastic connectors.The panels are shaped and sized to eliminate virtually all waste when cut from 4 foot by 8 foot sheets of rigid insulating foam. A single extruded connector joins the panels together along mutually adjacent edges and eliminates the need for complicated geometric connectors where three or more panels adjoin. The hinged configuration of the extruded connectors permits a virtually unlimited variety of structural enclosures to be constructed with 4 foot by 8 foot sheets of insulating foam plastic. Disclosed for illustration are a dome shaped structure with a plurality of alcoves extending outwardly from the periphery of the structure and other free form structures of "crystalline" shape.

Abstract: A jointing member for supporting one or more sheets of material comprises a hollow cylindrical member divided longitudinally into several separate compartments each having an external wall formed with a slot. The walls are flexible and the edges of the slot grip and support the edge of the sheet of material once inserted into the slot.

Abstract: The invention relates to a mounting device for panel elements, especially for buildings and the like, which mounting device includes a number of mounting bars, which are mounted on the surface to be covered by the panel elements which are provided with a number of mounting ribs for cooperation with the mounting bars. The object is to provide a simple device of this kind, which device allows mounting without requirement for accurate alignment of the different details. This is accomplished in that each mounting bar carries a number of retaining members for cooperation with the mounting ribs. The retaining members are locked against movement perpendicularly to the longitudinal axis of the mounting bar but are freely slideable along the mounting bars to enable adjustment of the retaining members relative to the mounting ribs.

Abstract: A one-piece panel clip is provided which is adapted to support a plurality of elongate ceiling panels so as to form a ceiling construction. The panel clip comprises a planar support strip which mates with the under surface of a ceiling support rail and includes a series of bendable tabs spaced along each side thereof for securing the panel clip to the support rail. Depending downwardly from the elongate support strip are panel hanging portions which are formed integrally with the support strip and which are used to support the ceiling panels, the panel hanging portions being shaped to engage longitudinal flanges formed on opposite sides of the ceiling panels.

Abstract: A wall paneling system consisting of a strip horizontally secured to an abutment and provided with a continuous groove, a first support provided with a head positioned within the groove of the strip and configured so as to permit the first support when so installed to pivot about the groove of the strip, a plurality of bars secured in spaced relationship at their top ends to the first support, a second support to which the bottom ends of the bars are secured and which is provided with a continuous groove, a third support provided with a head positioned within the groove of the second support so as to permit rotation between the second and third supports, a second strip horizontally secured to an abutment, a first plurality of interlocking wall panels having flanges secured to adjacent bars of the plurality of bars, and a second plurality of panels secured between the third support and the second strip to form a ceiling.

Abstract: An aluminum deck structure, of the general type in which floor joists support and are secured to transverse decking members, is characterized by an assembly arrangement permitting rapid and inexpensive installation of decking members on floor joists without tools or fasteners, and allowing considerable thermal elongation and contraction of long decking members such as are used in platform tennis courts or other playing surfaces. In the deck structure, extruded aluminum decking members are formed with a floor plate and two depending vertical legs having bearing flanges and horizontally opposed latching members at their lower ends. Extruded aluminum floor joists have longitudinal ribs along their top supporting surfaces with pairs of notches in the ribs to receive the vertical legs of a decking member. The notches form opposed latching surfaces which meet and then snap into interlocking engagement with the latching members on the vertical legs as the legs descend into the notches.