Abstract: A frame for a panel is constructed from two frame components. One of the frame components has a first wall and a first channel and the second frame component has a second wall and a second channel. The first frame component is mated to the second frame component with the first wall of the first frame component inserted in and making frictional contact with the second channel of the second frame component and the second wall of the second frame component inserted in and making frictional contact with the first channel of the first frame component. Portions of the panel are held between and make contact with the first frame component and the second frame component such that an end of the panel is located within a chamber defined between the first frame component and the second frame component.

Abstract: A modular wall panel system including a series of wall panels connectable to each other. Each of the wall panels is formed from a support frame having a pair of spaced vertical posts and an upper header and a lower sill extending between the vertical posts. The lower sill is received within attachment notches formed in each of the vertical posts near the bottom end of each post. The attachment notches are spaced along the length of the vertical post such that the position of the sill can be adjusted. The lower sill includes a trim channel that receives the bottom of a tile mounted to the support frame. A top cap is attached to the header and engages a top end of the tile to aid in retaining the tile on the support frame. The tile may be a segmented tile having a lower portion and an upper portion joined to each other by a segmented trim channel. The segmented trim channel between the upper and lower portions is not connected to the support frame.

Abstract: An insulated wall assembly including a plurality of pre-cast panels, a plurality of insulation panels, at least two J-shaped clips, and at least one I-shaped clip is provided. The precast panels may be oriented such that the adjacent vertical edges are in an abutting relationship to form a wall, and the J-shaped clips comprise a trough portion and a wall engaging portion. The I-shaped clip comprises two wall engaging portions and a two retention portions, and the wall engaging portions of the J-shaped clips each define a substantially planar wall-engaging surface capable of attaching to the wall. The wall-engaging portions of the I-shaped clip each define a substantially planar wall-engaging surface capable of attaching to the wall.

Abstract: A blast-resistant window assembly is provided. The assembly has a window and first and second brackets. The window is fitted within an opening having at least one wall. The first bracket has a brace located adjacent the window and a stop located adjacent the wall. The second bracket is located adjacent the wall and is configured to receive the stop. During an explosion, force created therefrom causes the window to engage the brace of the first bracket to cause the stop of the same to be received by the second bracket.

Abstract: Each mounting clamp of a lower most pair of mounting clamps for mounting a glass panel, includes a horizontal ledge for receiving the weight of the glass panel during assembly. After positioning of the glass panel on the horizontal ledges, the mounting clamps are tightened to clamp the glass panel in place.

Abstract: A connector for rigidly engaging elongate structural members in a display structure includes a beam connection portion defined on a body and having a cavity. A semi-cylindrical guide surface of the cavity is adjacent to an opening. The opening has an elliptical shape in which the difference between a major and a minor axis is an offset distance. An eccentric fastener is rotatably disposed in the cavity and includes a head portion that protrudes from the opening and engages a hole of the elongate structural member, and a cam portion that is eccentrically disposed relative to the head portion and configured to engage the semi-cylindrical surface when the eccentric fastener is rotated relative to the connector.

Abstract: The invention relates to an insulating assembly (1) in a mobile object such as a ship or aircraft, the mobile object having carrier parts that are upstanding with respect to a wall and a carrier part being covered over in cross-section by a holding part (5), there also being a sheet-like insulating part (7) that is held between two carriers as a result of clamping formations (6) on the holding part (5). In order to provide an advantageous insulating assembly in a mobile object, it is proposed that the insulating part (7) comprises a foam-like self-supporting element (8) that is optionally covered over on one or both sides by a covering layer.

Abstract: A curtain wall including an extruded aluminum sill having a first channel for receiving a glazed panel, a sill anchor/access portion for securing the sill to a poured concrete slab or slab wall, and toward the interior side of the sill, a wireway is defined in part by the sill and in part by a wireway cover for concealing power and/or data/telecommunication cables. The wireway cover may also include outlet devices or plugs arranged in a longitudinally spaced relationship.

Abstract: A blast-resistant window assembly is provided. The assembly has a window, and first and second brackets. The window is fitted within an opening having at least one wall. The first bracket has a brace located adjacent the window, and a stop located adjacent the wall. The second bracket is located adjacent the wall and is configured to receive the stop. During an explosion, force created therefrom causes the window to engage the brace of the first bracket to cause the stop of the same to be received by the second bracket.

Abstract: A building is assembled from an array of rectangular panels where the side edges are connected so that in the array each set of four panels meet at a junction location containing the corners of the panels to form an array of the junction locations. Each building panel is divided along a main axis into two separate triangular panel portions with channel shaped overlapping connecting members which form a beam of double thickness. Each junction location includes an outer cover cap portion on an outside surface covering the junction location with female channel shaped recesses receiving the marginal edges of the panels at the corner and a central recess receiving the beam. A corresponding male shaped inner cap is located under the junction and clamps to the outer cap to form a seal over the corner location.

Abstract: Devices, apparatus, systems and methods of attaching storm panels over window and door openings with end fastenable H tracks. Each of the tracks can have H cross-sectional shapes with elongated opposite facing C shaped channels back to back along the elongated tracks. At the upper and lower ends of the tracks can be outwardly protruding tabs having through-holes for allowing the tracks to mounted into frame edges about the window and door openings. Rectangular shutter panels such as plywood, metal and plastic sheeting can have side edges that slidably fit into the C channel openings of the H tracks so that the only fasteners to attach the panels over the building openings are through the track tabs. Stop flanges can prevent the panels from sliding out of the channels. The track, brackets can be mounted horizontal and parallel to one another as well as be mounted vertically and parallel to one another.

Abstract: A clip for use in acoustically isolating a wallboard support channel from a frame member, the support channel having at least one mounting point, includes a first portion positionable between a first surface of the channel and the frame member, a second portion positionable in contact with a second, opposite surface of the channel, and a bracket connecting said first and second portions. The first and second portions and the bracket each have at least one fastener opening in registry with corresponding openings on the other of the first and second portions such that a fastener passing through the openings and the mounting point is acoustically isolated from the bracket and from the channel.

Abstract: A system of blocks is configured to be compatible with each other in the construction of a columnar structure. Each block has four faces and all four faces may generally have the same dimensions. The width of the blocks may generally be about twice their height. The faces of the block also may contain a slot to add an aesthetic appearance to the column. The blocks have certain constructions features that mate with specially constructed brackets in attaching a fence panel to the completed column. The blocks have interlocking elements or projections that permit positive connection between courses of blocks. Projections of one block extend into the core another block. Adjacent blocks can be rotated 90 degrees relative to each other about a vertical axis of each block with each course. The blocks can be used to construct a column that is easy to install and structurally sound.

Abstract: A blast-resistant window assembly is provided. The assembly has a window, and first and second brackets. The window is fitted within an opening having at least one wall. The first bracket has a brace located adjacent the window, and a stop located adjacent the wall. The second bracket is located adjacent the wall and is configured to receive the stop. During an explosion, force created therefrom causes the window to engage the brace of the first bracket to cause the stop of the same to be received by the second bracket.

Abstract: A window assembly (10) with its glazing frame that stays independently from lateral movement of building main structure (44) is disclosed. The window assembly (10) includes an outer retaining frame (12) and an inner glazing frame (14). The outer retaining frame (12) is attached to the building main structure(44). The glazing frame holds glass pane (20), and sits inside the outer retaining frame (12). Between the outer retaining frame (12) and the inner glazing frame (12) is a predetermined clearance space (X) and (Y), at their vertical edges and their top edge. The resulting window assembly allows the glazing frame to retain its shape, while the outer retaining frame (12) moves laterally with the main structure (44) during an earthquake or blast, thereby minimizing the chance of glass breakage. Application of glazing gasket (32) or sealant (54) provides watertight result to the window assembly (10).

Abstract: A reinforced window system for mounting within an opening in a wall, the window system comprising a frame fixable to the wall and a second frame, which is removably installable in the first frame. The first frame is provided with a plurality of fixing members distributed on the inside perimeter of the first frame. The second frame carries a reinforced window pane. The second frame is provided with a plurality of support members distributed on an outside perimeter of the second frame with possibility to face the fixing members of the first frame so as to support the second frame when the support members are in engagement with the fixing members of the first frame.

Abstract: There is provided a framework for a construction enclosure system comprising a plurality of brackets, a plurality of rigid elongated frame members, and a plurality of reinforcement members. The brackets are adapted to be attached to a structure under construction. The frame members are adapted to be retained by the brackets in a desired spatial relationship with an outer face of the structure. The frame members are adapted to retain one or more sheet-like enclosure panels. The reinforcement members are adapted to be secured against respective frame members to increase the rigidity of such frame members. One embodiment of the invention provides a frame member comprising a pair of elongated bodies adapted to be retained in a mated configuration to cooperatively define first and second channels therebetween, wherein each channel is adapted to retain one edge portion of a sheet-like enclosure panel.

Abstract: A panel support assembly 25 comprises a post 10 having at least one elongate recess 12, rotatably supporting a respective panel receiving member 13. The panel receiving member 13 comprising a rod-like member having an internal channel 14 adapted to receive a panel 11. The recess 12 is part-cylindrical and respective panel receiving member 14 is cylindrical, partially fitting within recess 12, so as to allow relative rotation. A pair of panel support assemblies 25, with pairs of panel receiving members 13 facing each other, provides a panel fixing system for fixing a panel 11.

Abstract: A partition panel for office systems includes a rigid panel frame having a generally rectangular perimeter and a generally rectangular opening therethrough. The panel frame has a base configured to abuttingly support the panel frame freestanding on a floor surface. The panel frame includes a row of openings configured to support hang-on accessories. The partition panel also includes at least four H-shaped connectors, each of which is secured to said panel frame adjacent each side of the rectangular opening. A rigid sheet is secured to the frame by the connectors, and spans at least a substantial portion of the rectangular opening.

Abstract: There is described a profiled sash section for a window sash holding a window pane and intended for being installed in an outer frame of a blast resistant window. The sash section includes a main member enabling inter-engagement between the profiled sash member and the outer frame a window pane holding member for accommodating and securing an end portion of said window pane in the profiled sash member, and a reinforcing member designed to support the end portion of the window pane and to transmit blast pressure, if incidentally applied to the window pane, to the main member. For at least partially absorbing blast pressure energy applied to the window pane, the sash section is provided with damping means for deforming up to predetermined limit. Also described is a blast-resistant framework for a casement window, including the window sash assembled from the mentioned profiled sash sections and adapted for rigidly and air-tightly securing the window pane in the holders of the profiled sash members.

Abstract: The invention relates to a cladding (20, 22, 24) of profile material, in particular in the form of extruded aluminum profile material, in particular for windows and/or doors with fastening elements extending from the window or door or their frame and/or casement frame (10, 12) or parts thereof such as turning holders or eccentric screws, each having a head engaging in a relief-cut receiving channel of the profile material.

Abstract: A screen assembly is adapted to connect to a partition of the type having at least one upright frame member with openings in opposite side faces thereof to receive support hooks of hang-on accessory units. The screen assembly includes a sheet member defining at least one side edge, and a bracket is connected to the sheet member adjacent the side edge. The bracket includes a first member configured to extend around at least a portion of a first side of the upright frame member. The first member includes a connector adapted to engage the openings in the first side face of the upright frame member. The bracket also includes a second member configured to extend around at least a portion of a second side of the upright frame member. The second member includes a connector adapted to engage openings in a second side face of the upright frame member.

Abstract: A stud for a modular building system. The stud comprises two elongate channel members secured together, with each of the channel members have a generally hat-shaped cross section. The channel members each have a bottom web, and a first and second side web. the side webs extend perpendicularly and upward from opposite sides of the bottom web. The channel members further comprise a first and second flange that extend laterally from the first and second side webs respectively. In one aspect of the invention, each flange comprises a first segment extending generally laterally outward from the upper edge of its respective side web and a second segment folded back upon the first segment and extending back toward the side web. In another aspect of the invention, the second segment overlaps and overlies the underside of the first segment, and the fold or crease between the first and second segments, has a rounded profile and forms a bead at the edge of each flange.

Abstract: There is described a profiled sash section for a window sash holding a window pane and intended for being installed in an outer frame of a blast resistant window. The sash section includes a main member enabling inter-engagement between the profiled sash member and the outer frame; a window pane holding member for accommodating and securing an end portion of said window pane in the profiled sash member, and a reinforcing member designed to support the end portion of the window pane and to transmit blast pressure, if incidentally applied to the window pane, to the main member. For at least partially absorbing blast pressure energy applied to the window pane, the sash section is provided with damping means for deforming up to a predetermined limit. Also described is a blast-resistant framework for a casement window, including the window sash assembled from the mentioned profiled sash sections and adapted for rigidly and air-tightly securing the window pane in the holders of the profiled sash members.

Abstract: The invention proposes an arrangement for the construction of a structure from panel-like material, for example a glazed weatherproof structure, in the case of which no framing of the panels (21, 22) is necessary and the construction can be carried out with little outlay. This is achieved according to the invention in that there is provided a support (2) which can be fastened on a supporting tube (3) and by means of which at least panels (21, 22) are retained, the supporting tube (3) having a slot for the variable installation of the support (2).

Abstract: An improved building curtain wall, including improved apparatus and methods for assembling and anchoring curtain walls, are disclosed. The curtain wall, apparatus, and methods each utilize a structural member having a first section for supporting a panel member, and a second section for securing to a fixed structure. The second section has a base and a first hole formed through the base. The curtain wall, apparatus, and methods also each utilize an anchor member, received within the second section, and having a second hole formed therethrough. The present invention eliminates labor intensive and error prone steps in the installation of a curtain wall; reduces the material costs of the curtain wall; and allows the current wall to be used in high stress applications such as hurricane force winds.

Abstract: The invention relates to a cladding (20, 22, 24) of profile material, in particular in the form of extruded aluminum profile material, in particular for windows and/or doors with fastening elements extending from the window or door or their frame and/or casement frame (10, 12) or parts thereof such as turning holders or eccentric screws, each having a head engaging in a relief-cut receiving channel of the profile material.

Abstract: A translucent construction block assembly, e.g. for a window or wall panel of non-standard size and/or shape, has a frame extending around an array of hollow translucent construction blocks assembled in horizontal and vertical juxtaposition, the blocks each having front and rear walls connected by a peripheral wall and the array having a periphery engaged by the frame so that the blocks are thereby retained in position. The blocks include partial blocks having openings interrupting the peripheral walls thereof, the partial blocks being juxtaposed with the openings at the periphery of the array. A seal of resilient material interposed between the array and the frame extends between the front and rear walls and closes the openings.

Abstract: A penetration resistant door light adapted to withstand impact from flying debris as might occur in a hurricane or other high-wind condition. The door light includes inner and outer frame halves that support a panel assembly within an opening formed in a door. The panel assembly includes a sheet or layer of transparent impact resistant material such as a polycarbonate or laminated glass. The impact resistant sheet is structurally secured to at least screws extend through all of the inner frame half, the impact resistant sheet, and the outer frame half. In an alternative embodiment, a structural adhesive intersecures the impact resistant sheet and the outer frame half.

Abstract: A modular wall construction includes a plurality of laterally spaced support posts having mutually spaced slots in commonly facing walls thereof, each slot being at least partially defined by oppositely disposed first and second edge segments. At least one panel is arranged between the support posts. In one embodiment, connecting elements are integrally formed with and extend laterally from the panel to overlie the commonly facing walls of the support posts at the slots. In an alternative embodiment, connecting elements are removably coupled to extend laterally from the panel to overlie the commonly facing walls of the support posts at the slots. The connecting elements have hook shaped portions received in the slots in engagement with the first edge segments thereof. A fastener extends into the slots between the connecting element and the second edge segments to coact in engagement with the slot and connecting element to prevent disengagement of the hook portions from the first edge segments.

Abstract: A penetration resistant door light adapted to withstand impact from flying debris as might occur in a hurricane or other high-wind condition. The door light includes inner and outer frame halves that support a panel assembly within an opening formed in a door. The panel assembly includes a sheet or layer of transparent impact resistant material such as a polycarbonate or laminated glass. The impact resistant sheet is structurally secured to at least screws extend through all of the inner frame half, the impact resistant sheet, and the outer frame half. In an alternative embodiment, a structural adhesive intersecures the impact resistant sheet and the outer frame half.

Abstract: A post and batten assembly for a wall panel system, the elongated post having a plurality of sides, at least one of which has an elongated groove and a pair of outer shoulders astraddle the groove, an elongated batten having a central body positioned in the elongated groove of and attached to the post, and the batten having a pair of flanges extending opposite each other and engaging the outer shoulders of the post, the batten central body having an outer face, and defining an elongated cavity open at the outer face, and the cavity having a pair of inner shoulders so that the cavity and inner shoulders define a T-slot in the batten to receive a T-bolt fastener. Fasteners connect the elongated batten to the post. Flanges of a pair of batten extend beyond the post parallel to each other to define a panel-receiving pocket therebetween.

Abstract: An anchorage device for supporting flat cover members for openings in building structures. The device includes two substantially similar stepped-plate members that include each an anchorage section and a supporting section. One of the stepped-plate members may in fact be flat or substantially flat, depending on the termination of the building openings to be protected. The anchorage section includes an opening and a cooperating fastening assembly for readily and removably mounting the device to the building structure with minimal aesthetic detraction or structural alteration. These sections define a plane each and these planes are kept in a spaced apart and parallel relationship with respect to each other by a step wall member. The supporting sections then are kept separate for their respective plates and the separation is sufficient to cooperatively receive the flat cover members that are used to protect the openings.

Abstract: A wall stud assembly for a wall of an in-plant/portable building wherein the wall includes interfitting wall stud assemblies and wall panels is disclosed. The stud assembly comprises first and second stud members, each of which is generally U-shaped in cross-section and has an open side and a base side. In addition, a strut is positioned longitudinally between the first and second stud members and affixed to the base sides of the stud members, with the open sides of the stud members facing outwardly. Each stud member has laterally extending flanges. The flanges of one stud member are in spaced generally parallel relation to the flanges of the other stud member to sandwich a wall panel therebetween.

Abstract: The sealing strip has a main part (1') with a first sealing lip (6) for making sealing contact with a pane (7) or a filling element. The pane (7) is placed against the sealing lip (6) during assembly and rests on the top (10) of a lip (9'). A recess (13') is provided in a bridge (4') in the body of the sealing strip. The foot or base (16') is a second part (2'), which carries a second sealing lip (15') in contact with the other side of the pan (7'), fits into the recess. When the foot (16') is inserted into the recess (13'), the two sealing lips (6'15') are elastically deformed and pressed against the pane (7'). The inserted foot has a groove (19, 22) at one end in which a rib (14') engages. The foot (16') and hence the part ( 2') are thus firmly anchored in the main part (1').

Abstract: A sealing and fastening system secures a pair of adjoining panels to a frame structure of a greenhouse. The system includes a coupling having a generally "H" shape and forming a pair of transversely spaced pockets, one edge of each panel being disposed in a corresponding pocket. A fastener operatively engages the coupling and has a wrap adapted to be disposed about a member of the frame structure to secure the coupling to the frame structure.

Abstract: Construction methods and clip apparatus for joining or repairing wall or ceiling panels such as sheet rock, gypsum boards, plywood, or other generally planar wall panels. The clip is enables permanent edgewise joining of wallboard panels, ceiling panels, or the like at any desired position along the length of the wall frame or ceiling framework independent of framing back- up studs or joists. A plurality of metallic clips unite to provide an edgewise mechanical bond between adjacent panel edges by creating an artificial backing in wall regions having no studs or support columns. A preferred clip comprises a generally planar, elongated body having a pair of parallel reinforcement grooves, and body is preferably stamped from metal stock and selectively perforated. A pair of integral, spaced apart, prong-like spring tab structures formed on opposite sides of the clip body initially grasp the edges of a panel.

Abstract: A wall system for partitioning floor space includes a framework comprising top and bottom horizontal rails interconnected by a plurality of vertical struts. The wall system further includes the use of diagonal support bars for open frame structures and the use of side and septum display panels for closed frame structures. Additionally, various types of snap-on covers are provided for removably covering the vertical struts. Also, anchoring devices including hook and loop type fastener sheets and adhesive are used to secure the bottom rail against lateral shifting.

Abstract: A fire retardant window construction for a fire door comprises a trim strip having inner and outer members. The inner member is of a high density incombustible mineral material or ceramic and is nailed in position to securely and uniformly hold the pane of glass in the door opening. The outer trim member is of a fire retardant particle board and has an exposed wood veneer facing throughout. An intumescent caulking compound is applied between an inner portion of the outer trim member and the pane of glass.

Abstract: A modular wall system adapted for use as part of a clean room structure, comprising a plurality of unibody panel sections, each panel section having a uniform width and including an exterior face, an interior face, and laterally opposing assembly flanges extending along the length of each edge of the panel section. Each assembly flange includes (i) a flange side wall extending inward from the interior face, (ii) an interlocking member adapted to be engaged with another interlocking member of a separate panel to secure the two flanges together, and (iii) a sealing member for sealing openings between coupled assembly flanges. A support channel configured in size and shape for snug fit around the coupled assembly flanges includes a channel cap and side channel walls which extend for equal lengths sufficient to abut against the interior faces of the coupled panel sections. These side walls operate as spacer members for aligning panel sections as the assembly flanges are secured within the support channel.

Abstract: Methods and apparatus for joining or repairing wall or ceiling panels such as sheet rock, gypsum boards, plywood, or other generally planar wall panels. Means are provided for permanently joining the edges of wallboard panels, ceiling panels, or the like at any desired position along the length of the wall frame or ceiling framework independent of framing backup studs or joists. Each embodiment of the invention contemplates the use of a plurality of metallic clips adapted to provide a working union or edgewise mechanical bond between adjacent panel edges, by creating an artificial backing in wall regions having no studs or support columns. A preferred clip comprises a generally planar, elongated body having a pair of parallel of reinforcement grooves, and the whole body is preferably stamped from perforated metal stock. A pair of integral, spaced apart, prong-like spring tab structures are formed on opposite sides of the clip body to grasp the edges of a panel.

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: An auto glass pane (1), intended to be installed directly into an auto is disclosed. The auto glass pane (1) has along its periphery a series of mounting strips (4) made of flexible metal. The mounting strips (4) are arranged at a defined distance from the glass pane edge. The mounting strips (4) are connected, preferably cemented, to the interior side of the glass pane (1) opposite the mounting flange of the auto body's window frame.After the glass pane is positioned within the window frame, the mounting strips (4) are bent by hand around the mounting flange. The mounting strips (4) serve to lock the glass pane into the desired position until the adhesive substance which is used to affix the auto glass pane (1) to the auto body's window frame completely hardens.

Abstract: A splice rail assembly for joining two adjacent panels in a coplanar relationship having two parallel tongues extending perpendicularly therefrom, the first of which tongues is located substantially in the mid-portion of the splice rail, the second being offset therefrom a distance substantially equal to the thickness of the first tongue. When two such rails are appropriately positioned with their tongues facing each other, the mid-portion tongues of each can be inserted into the space between the two tongues of the opposite rail in an interlocking relationship. The sides or ends of two panels fit, respectively, into the spaces formed between two such interlocked splice rails outwardly of the tongues and the resulting assembly can be fastened together with suitable fastening members.

Abstract: A building construction assembly has a plurality of vertical posts and horizontal members each formed of a plurality of parallel shell elements and each having on at least one face a pair of flat laterally projecting flanges. The flanges lie generally in a plane and define an opening. Wall panels are secured to these flanges, which are integral with the respective shell elements, by means of C-shaped clips each having one arm engaging the flange in one direction and another arm engaging the panel and pressing it in the opposite direction against the flange. The flanges may be bent back double and received in resilient channels.

Abstract: Several embodiments of window frame assemblies comprising novel window framing members for supporting a glazing product are described. In one embodiment, a window frame assembly is described comprising a conventional framing member including a novel rotatable rod means for preventing the cutting through of the framing member as by a saw. In another embodiment, a window frame assembly is described comprising a frame member for installing pre-glazed windows with or without a rotatable rod means in the framing member, said member including a separately attachable leg member for attaching the pre-glazed window to a pre-installed sub-framing member. In still other embodiments, window frame assemblies are described comprising novel mullions for joining pairs of pre-glazed windows. The mullions, as described, may optionally include means for the attachment of a partition and the aforementioned rotatable rod means.

Abstract: An improved tamper-proof window unit comprising similar first and second quadrilateral centrally open frame members adapted to be mounted about an opening respectively on opposite sides of a door. Each frame member has a narrow elongated quadrilateral front panel extending generally in a plane parallel to the door and marginally about the door opening with an outer edge portion partially overlapping the door adjacent the opening. A small countersunk front-to-rear screw hole is provided on each side of the front panel to communicate with the door opening. A narrow elongated quadrilateral and generally L-shaped integral flange extends along the front panel with each L-shaped flange comprising first and second panels. The first panel of each flange projects generally rearwardly and the second panel projects from the rear edge of the first panel outwardly with respect to the door opening.

Abstract: A system for improving the heat insulating characteristics of existing wall structures, which wall structures include panels and panel edge supporting frames with pockets in a jamb face thereof receiving an edge of the panels. The system includes an elongated stop element having a base adapted to be secured to the jamb face and extended into the pocket after the existing panel has been removed therefrom. The stop element includes a flange extending outwardly of the jamb face to form a supportive side wall of a new glazing pocket adapted to receive an edge portion of a new insulating type panel. An elongated flange element is adapted to be secured on the existing frame in spaced alignment with the flange of the new stop element to form an opposite side wall for the new glazing pocket for securing the new insulating panel in place.