Abstract: A fire resistant construction block that comprises a core comprising a polygonal shape including a front face, a rear face, a right face, a left face, a bottom face, and a top face. The fire resistant construction block further comprises a fire resistant coating surrounding at least a portion of the core and an optional intermediate layer disposed between the core and the fire resistant coating. The fire resistant construction block can comprise a plurality of channels, and the top face of the fire resistant construction block comprises a sloped surface. The fire resistant construction block can be configured to be disposed above a window of a building and the placement of the fire resistant construction block can enable an exterior wall of a building to comply with a National Fire Protection Agency Code 285 standard fire test method and/or other fire test standards.

Abstract: The present invention relates to a lintel or angle iron cover, and specifically a cover for an L-shaped lintel having a rise portion and a run portion. The cover is also L-shaped and is a continuous wall made up of an upper wall joined to a top wall which is joined to a side wall. The side wall is also joined to a bottom wall which is joined to a back wall. Further, the upper wall is at least as high as the rise portion of the lintel. The top wall and bottom wall form a U-shaped opening closed by the side wall, and the U-shaped opening is the size of the run portion. Whereas the back wall forms a lip at the end of the bottom wall.

Abstract: A precast, prestressed concrete tank and method that facilitates construction of a primary inner tank within a secondary outer tank, and which permits for the construction of the primary inner tank after the secondary outer tank has been erected, but without requiring insertion through a top of the secondary outer tank, or by tunneling underneath the secondary outer tank, is disclosed. The primary inner tank has an inner wall and the secondary outer tank has an outer wall (precast, prestressed concrete) and wire windings. The primary inner tank is disposed inside of the secondary outer tank. The secondary outer tank has a plurality of first precast outer wall panels, and a temporary construction opening frame. The temporary construction opening frame defines an access doorway during construction of the tank. The temporary construction opening frame is disposed on a foundation base slab.

Abstract: A system, device and method of framing an opening, such as a window, in a clad façade 12 structure to align the window units 22 to be positioned adjustably so that the exterior sight lines align the windows without custom fabrication of the clad façade. This allows irregular variations in the original building structure to be eliminated by a perfectly aligned façade. A frame 20 has wide flanges 40 to allow the defined inner box frame area 34 to be positioned and then the frame can be shimmed to that position. Sections of frame 20 are joined by an angled member 54 with flat portion which are received in slots 56 in frame sections at their edges.

Abstract: A system, device and method of framing an opening, such as a window, in a clad façade 12 structure to align the window units 22 to be positioned adjustably so that the exterior sight lines align the windows without custom fabrication of the clad façade. This allows irregular variations in the original building structure to be eliminated by a perfectly aligned façade. A frame 20 has wide flanges 40 to allow the defined inner box frame area 34 to be positioned and then the frame can be shimmed to that position. Sections of frame 20 are joined by an angled member 54 with flat portion which are received in slots 56 in frame sections at their edges.

Abstract: A flexible, elongate barrier comprising relatively rigid barrier portions connected by elastomeric joints is introduced slidingly into the cavity of a cavity wall and sealed to the outer leaf of the wall by introducing a portion of the barrier into a slot cut in the inner surface of the wall and/or by providing a water resistant composition which may be injected into the slot. The barrier may form an X or V shaped configuration defining a channel from which water is discharged via drains from the cavity. The barrier portions may be arranged in a flat configuration when the barrier is stored on a reel and moved through a deployed configuration to an installation configuration against the resilient bias of the joint so that they spring out to the deployed configuration to conform to the width of the cavity after installation.

Abstract: A wall construction has a number of spaced upright channel-shaped studs and a number of concrete panels that form an exterior wall. The lower end of the studs are mounted on a concrete foundation member, and are provided with respective lower plates that enable moisture to drain away from the from the lower ends of the studs.

Abstract: An internally aligned insulating concrete form window and door buck that self aligns into the insulated concrete wall forms and it allows for the changing of the face and edge materials when desired, and the use of solid insulating materials with internal alignment elements that fit into the cavity of the insulated concrete formed wall which bonds to the concrete. The internally aligned insulating window and door buck generally includes an insulated window and door buck made as a single insulating element or with multiple components with a configuration that allows for the use of various type of materials on the face and edges of the buck, and have the ability to align to the inside of an insulated concrete formed walls so as no external bracing or strapping or support is needed to keep the buck aligned with the wall forms during concrete placement.

Abstract: A water management system installation including framing, a jamb liner, a head liner, and a sill liner. The jamb liner having a cross-section and including a first landing and first and second walls defining an elongated channel, and a second landing extending from the second wall and vertically offset from the first landing, the second landing positioned toward a first jamb member with the first wall disposed toward the exterior side of the building structure. The head liner having a cross-section that is substantially the same as the cross-section of the jamb liner, the second landing of the head liner positioned toward a head member with the first wall disposed toward the exterior side of the building structure. The sill liner having a cross-section and including a first landing positioned toward a sill member with a wall disposed toward the interior side of the building structure.

Abstract: Disclosed is an operating-fixed-operating window with a common frame. The window frame includes a sill with a sill lock and sill tower upwardly extending from the sill. The window frame also includes a head disposed atop the window frame, at least one jamb and at least one operating window frame. The window also includes at least one fixed window frame with a sill cover disposed atop the sill, the sill cover engaged with the sill lock and the sill tower.

Abstract: A support frame for a window frame is provided to address the problem of unwanted entry of moisture, such as condensation, into a building in which the window frame is mounted. The support frame includes four sections of flashing. Each section of flashing has a window frame support plate that has a window frame side and building framework side. A first longitudinal wall extends from the window frame side of the support plate. One or more longitudinal stiffening box sections continuous with the plate are provided for imparting rigidity to the flashing. Two of the sections comprise sill and header flashings spaced apart at either end by the remaining two sections, which comprise jamb flashings. Joiners connect adjacent ends of the four sections.

Abstract: The present invention provides a portal frame comprising at least one header, at least a first column, at least one frame connector for rigidly connecting the at least first column to the at least one header, at least one header fastening means for fastening the frame connector to the at least one header and at least one column fastening means for fastening the frame connector to the at least first column. The at least first column is formed of wood or a wood-based/wood-derived material. The at least one frame connector comprises a lateral header connecting portion extending beyond a lateral edge of the first column in a direction towards the centre of the at least one header and a column connecting portion extending along at least a portion of the height of the at least first column. The lateral header connecting portion comprises at least one of the at least one header fastening means.

Abstract: A reversible door assembly for use in a panel wall system includes a door frame assembly having first and second door jamb assemblies which are adapted to receive vertical slider members in a channel disposed along a length of the door jamb assemblies. The slider members are vertically adjustable within the channels and may include hinge mechanism such that either door jamb assembly can hingedly support a door member therefrom. As one door jamb assembly supports the door member between open and closed positions, the opposite door jamb assembly includes a vertically adjustable latch striker plate for engaging a door latch mechanism.

Abstract: A vertically adjustable door assembly for use in a modular wall assembly includes a door opening defined by first and second door jamb assemblies which are adapted to receive vertical slider members in a channel disposed along a length of the door jamb assemblies. The slider members are vertically adjustable within the channels and include hinge mechanism such that either door jamb assembly can support a door member therefrom. Another aspect of the invention includes a vertically adjustable header assembly providing an aesthetically pleasing uniform appearance between the door assembly and the modular wall assembly.

Abstract: An improved metal or steel header frame is provided for use in a metal framed building wall or the like, wherein the header frame is adapted for quick and easy installation to span a framed opening such as a door or window opening in the building wall. The improved header frame includes a pair of metal bracket clips adapted for screw-on and/or bolt-on attachment to a pair of jamb studs disposed at opposite sides of the door or window opening. These bracket clips define support lands for vertically supporting opposite ends of an elongated header stud which can be quickly and easily seated thereon to span the door or window opening, and attached thereto by one or more suitable fasteners such as screws.

Abstract: A shelter is capable of withstanding extreme winds. The shelter comprises a concrete foundation mechanically coupled to a lower continuous track by an anchor bolt. The lower continuous track is mechanically coupled to load bearing studs and second load bearing studs. The load bearing studs and second load bearing studs are mechanically coupled to an upper continuous track. The arrangement of studs secured between two tracks provides additional stability against variable wind loads that normally damage buildings. The load bearing studs are arranged with second load bearing studs to create walls, where the walls are covered by a first exterior layer and a second exterior layer. The first exterior layer plates provide protection against live force loads and the second external layer provides protection against vibration. The upper continuous track is mechanically coupled to roofing.

Abstract: A door frame with and threshold for mounting optional latch strikes, lock strikes and blank covers in the same door frame. The door jamb includes cut-outs and a reinforcement with depressed center portions opposite the cut-outs for attaching matching strikes of optional latches and locks. The shapes of the cut-outs, reinforcement and matching strikes cooperate in a manner which allow the same door frame to be used with existing latches and locks. The improved threshold eliminates the failures of seals in vertical gap in current thresholds because of temperature changes and persons stepping on thresholds.

Abstract: A panel with multiple openings and brackets can be used to flush-mount multiple components in a wallboard. The panel is installed flush with the wallboard and the junction between the panel and the wallboard is plastered or drywalled to create a uniform appearance. Wall-mounted components can then be installed into the brackets into openings that have been pre-measured and cut to ensure that the components are aligned with precision relative to one another before installation even begins.

Abstract: A mechanical header is provided for spanning a corridor in a building and for hanging mechanical equipment therefrom. The mechanical header includes a first angle member comprising a first horizontal portion and a first vertical portion, where the first horizontal portion extends away from the first vertical portion in a first direction. The mechanical header further includes a second angle member comprising a second horizontal portion and a second vertical portion, where the second horizontal portion extends away from the second vertical portion in a direction opposite the first direction. A spanning beam is coupled to the first vertical member and to the second vertical member. The first horizontal portion is configured to rest on top of a first wall structure, and the second horizontal portion is configured to rest on top of a second wall structure, such that spanning beam spans the corridor and hangs just at or below the level of the top of the first and second wall structures.

Abstract: A polymer casting formulation for producing molded polymeric structural members comprises a liquid mixture that contains a polyisocyanate component comprising at least two polyisocyanates; and an isocyanate-reactive component comprising at least two isocyanate-reactive compounds, which formulation cures to form a polyurethane. Methods of using the casting formulation to produce molded polymer structural members and the structural members that are produced by such a method are also described.

Abstract: A frame assembly for a doorway defined by two substantially vertical sides and a substantially horizontal side comprises a header jamb having a top surface, a bottom surface, and one or two header jamb rebates. The top surface of the head jamb is adapted for fixedly mounting to the substantially horizontal side of the doorway and the header jamb rebates located on the bottom surface across the length of the header jamb define a header soffit. The frame assembly comprises two upright jambs each having an outer surface and a top end. The outer surface of each of the upright jambs is adapted for fixedly mounting to one of the two substantially vertical sides of the doorway. The top end of each of the upright jambs have a slot for receiving a portion of the header soffit such that, when assembled, the header soffit engages in the slots.

Abstract: A building construction frame element consists of a wooden core of a single piece of wooden material provided with a thermal break formed of an insulating material extending across the heat conductance path of the element, which may be in the form of stud for a wall or ceiling. A method for producing the frame element is also disclosed.

Abstract: The invention provides door frame assembly, suitable for hanging a door panel in a number of different positions. The invention is characterised such that a side wall of the frame is routered on front and rear faces, either face adapted to receive one plate of a door hinge. In addition one edge of the door panel is routered across the entire length of the edge to receive a second plate of said hinge, wherein the outer edge of the second plate comprises a bull nosed edge. The advantage of the door frame assembly according to the invention is the routering both sides of the panel allows it to be reversed depending on which way one wishes to hang the door. As the door panel edge is routered across the entire edge allows the hinge to hang the door in the frame in either direction.

Abstract: The present disclosure includes an adjustable door frame assembly and method for framing a door opening. The adjustable door frame assembly comprises first and second alignment members providing a first securing structure to a door opening, one of the first and second alignment members being rotatably connected to a door during installation. The adjustable door frame assembly further comprises an alignment header connecting the first and second alignment members along an upper end of the alignment members and an alignment assembly located within at least one of the first and second alignment members. The alignment assembly comprises an adjustable stop for locating the adjustable door frame assembly about the door opening. The adjustable door frame assembly also comprises first and second cover members providing a second securing structure to the door opening independently of the first securing structure.

Abstract: The invention relates to a construction module for erecting flat structures, particularly walls, comprising two parallel panel-shaped wall parts and a module core arranged between them. According to the invention, each wall part has a number of room-height solid squared timbers that are set on end. These squared timbers are joined to one another in an at least non-positive manner via a mechanical pinning placed transversal to the longitudinal direction of the squared timbers and extending in the plane of the wall parts, and/or these squared timbers are each pinned in an at least non-positive manner with at least two crossbars, which extend essentially transversal to the longitudinal direction of the squared timbers and which are located in the future module core.

Abstract: The door jamb of the present invention bears a conventional outward appearance, but underneath lies a unique steel exoskeleton which is machined in order to mount it to the home's frame first, then for the door to be mounted to it. This design element harkens back to the days when any carpenter worth his salt would set about the task of installing a door by first constructing a dimensionally perfect opening for it, then hanging the door within the resulting space. The door jamb of the present invention defines this space with the perfect material for the task, which is steel. It is this steel exoskeleton which keeps the door opening within desired tolerances, regardless of outside temperature. This results in much greater latch and lock engagement, as well as significant energy savings from a properly sealed door.

Abstract: A system for constructing wood framed homes reduces the materials and labor costs for home construction while improving the thermal efficiency of the home. Conventional home design, layout and appearance are maintained.

Abstract: A prefabricated form assembly for making a concrete floor is disclosed. The form comprises an elongated form plate having a front for forming and retaining a flowable concrete material before it sets, anchor elements extending from the back face of the form plate, and being destined to be embedded into the concrete floor; and an L-shaped lintel having a back wall connected to the front face of the form plate and a bearing wall for supporting a masonry wall. Advantageously the construction of a concrete floor adapted to structurally retain a masonry wall using prefabricated form assemblies according to the invention no more requires the use of different groups of workers from different building trades as in the prior art, only one group of workers is required.

Abstract: The present invention concerns a sectional rail system which is constructed with the known outer rails with U-shaped cross-section and intermediate rails with C-shaped cross-section, and which is peculiar in that each of the retention means of the outer rail includes at least one stop pin which is disposed close to the inner side of the screw web of an outer rail, preferably two stop pins disposed opposite each other close to the inner side of the screw webs of the outer rail, where each stop pin furthermore is provided with a support flange for supporting an end part of the reinforcement web of the intermediate rail. The fastening means of the outer rail may thus include one, two or more stop pins, and one or more resilient lock pins. Hereby may be achieved provision of a tool-free assembly method for the sectional rail system and that by screwing on plate covering close to the edge part of the intermediate rail, it is avoided that the screw web and the associated reinforcement web “capsize”.

Abstract: A timber wall frame for use in building construction has an opening for a door or window defined at each side by a vertically extending prop stud and jamb stud in side by side relation, and the opening is defined from above by a horizontally extending top plate of the wall frame. The prop stud and jamb stud are of the same length and extend to the underside of the top plate. A lintel of sheet metal spans the upper side of the opening, the lintel having a vertical wall and a horizontal flange along the upper edge of the wall. The lintel is applied to the frame so that its vertical wall overlies a face of each stud and a face of the top plate, with the horizontal flange of the lintel being above the top plate.

Abstract: The present invention provides construction configurations and a construction method for steel houses that eliminate the shortcoming of the conventional platform construction method for steel houses that complicates the structure because of the need to use metal reinforcements without losing the advantage of the conventional method that facilitates the construction work by using wall panels. After constructing the ground story wall (lower story wall) 22 by attaching wall panels 21 for the ground story to through vertical frame studs 20 extending to upper floors, the second story wall (upper story wall) 23 is constructed by attaching wall panels 21 for the upper Story to the through vertical frame studs 20. Of the wall panels 21 disposed along the four sides of the lower story, the top ends 29 of the two opposite wall panels 21b are positioned lower than the top ends 29a of the lower story wall panels 21a on the other two opposite sides.

Abstract: An uninsulated section comprising a first section element and a second section element is described; the first section element comprises a first cavity for housing a portion of a first heat-insulating body and a second cavity for housing a portion of a second heat-insulating body; the second section element comprises a third cavity for housing another portion of the first heat-insulating body and a fourth cavity for housing another portion of the second heat-insulating body. The uninsulated section also comprises a partition connecting the first section element and the second section element. Advantageously, the partition may be situated between the first and the second cavity and between the third and the fourth cavity.

Abstract: A fenestration construction member includes a monolithic frame having a front surface, a rear surface, and peripheral wall extending between the front and rear surfaces. The peripheral wall having an inward facing surface and an outward facing surface. The inward facing surface of the peripheral wall defining a through opening into which is positionable a window assembly in sealing contact with the inward facing surface. The monolithic frame further having a sill pan flange extending continuously around the interior facing surface in a direction inwardly therefrom. The monolithic frame further having a fastening flange extending in a direction outwardly from the outward facing surface. The monolithic frame being positionable in a wall frame having a rough opening defined by a sill, a header and a pair vertical jambs extending therebetween with the peripheral wall extending into the rough opening and with the fastening flange abutting an exterior surface of the wall frame.

Abstract: A door security system serves to substantially improve the reliability of the entire door assembly with sidelights. The system may comprise five or six components generally having an L-shaped cross section. Several doorjamb stanchion shields may be mounted around a door jamb stanchion on the side of the door jamb corresponding to the door slab free swinging edge. Similarly several door jamb stanchion shields may also be mounted on a door jamb stanchion on the hinge side of the door jamb. The shields include sleeves that wraps on two sides around the door jamb stanchion to reinforce and stabilize the door system.

Abstract: A removable arch form assembly for use in forming a masonry arch of a plurality of masonry elements on a substructure comprises a flexible arch form having a substantially rectangular shape, first and second end clips engaging an arched structure about which the masonry arch is to be formed, at least one intermediate clip positioned on the arched structure between the end clips and at an elevation differing from the end clips, the end clips and the at least one intermediate clip removably receiving the flexible arch form and retaining the form in an arched orientation.

Abstract: An adjustable masonry form is disclosed for use in masonry constructions. The adjustable masonry form comprises a planar base section to support the masonry elements which will comprise the masonry construction, and a plurality of attachment elements secured to the planar base and at least one horizontal breakaway element for use in modifying the width of the planar base. The adjustable masonry form is constructed from material rigid enough to support the masonry elements, but flexible enough to be bent to conform to any given masonry construction without unwanted buckling of the form. The form is left in position permanently, obviating the need to build a temporary arch support saving time and expense and obviating waste of materials.

Abstract: A window and door head flashing assembly is fabricated at a construction site to fit specific door or window widths. A center section which may be extruded with a sloped base, a rear flange, and a front lip. End caps may be provided to snap or glue on the center section. The end caps have a perpendicular fin which serves as an end dam to block the lateral movement of water. The assembly may be inverted for use as a sill pan. The center section may be cut to a desired length and installed over arched windows or doors by bending to shape as it is installed. For arched applications, a combination of rigid and flexible PVC may be coextruded to provide a desired cross sectional profile that is flexible enough to be bent around the arch, but stiff enough to retain its cross section for drainage.

Abstract: A building construction frame element consists of a wooden core of a single piece of wooden material provided with a thermal break formed of an insulating material extending across the heat conductance path of the element, which may be in the form of stud for a wall or ceiling. A method for producing the frame element is also disclosed.

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

Abstract: A timber wall frame for use in building construction has an opening for a door or window defined at each side by a vertically extending prop stud and jamb stud in side by side relation, and the opening is defined from above by a horizontally extending top plate of the wall frame. The prop stud and jamb stud are of the same length and extend to the underside of the top plate. A lintel of sheet metal spans the upper side of the opening, the lintel having a vertical wall and a horizontal flange along the upper edge of the wall. The lintel is applied to the frame so that its vertical wall overlies a face of each stud and a face of the top plate, with the horizontal flange of the lintel being above the top plate.

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

Abstract: A sheet-metal header beam is constructed from a single sheet of sheet metal (10). It is folded to form an upper channel (58) having a bottom wall (12) and inner sidewalls (14, 16). The upper boundaries of the sidewalls (14, 16) form corners (24, 28) with top walls (30, 32) which in turn form corners (26, 28) with outside walls (38, 40). Lower portions of the outside walls (30, 40) and regions (50, 52) form sidewalls of a lower channel (60). Regions (50, 52) are bent at corners (42, 44) to form flanges (46, 48) which form a top for the lower channel (60).

Abstract: In combination with a wall having an opening between opposite wall portions, a header arrangement has an elongated, lower, and substantially horizontal flange with a downwardly open U-shape for embracing the wall portions along at least part of the length of the lower flange, an elongated, and substantially vertical web connected along and extending upwardly from the lower flange, and an elongated, upper, and substantially horizontal flange connected along an upper edge of the vertical web and also having a U-shape. Web stiffeners and end stiffeners are engaged to the flanges and web to brace the header arrangement against static and dynamic loads.

Abstract: A header arrangement has an elongated, lower, and substantially horizontal flange with a downwardly open U-shape for embracing a wall structured along at least part of the length of the lower flange, an elongated, and substantially vertical web connected along and extending upwardly from the lower flange, and an elongated, upper, and substantially horizontal flange connected along an upper edge of the vertical web and also having a U-shape. Web stiffeners and end stiffeners are engaged to the flanges and web to brace the header arrangement against static and dynamic loads.

Abstract: A removable arch form assembly for use in forming a masonry arch of a plurality of masonry elements on a substructure comprises a flexible arch form having a substantially rectangular shape, first and second end clips engaging an arched structure about which the masonry arch is to be formed, at least one intermediate clip positioned on the arched structure between the end clips and at an elevation differing from the end clips, the end clips and the at least one intermediate clip removably receiving the flexible arch form and retaining the form in an arched orientation.

Abstract: A flashing and weep apparatus allows for simple installation and accurate placement windows and doors in cavity wall construction. In a first embodiment, the flashing and weep apparatus is a two-panel extrusion that has a flashing panel that acts as a non-porous support for the masonry veneer. This embodiment also includes a second panel which is joined at a generally right angle to the first panel to be juxtaposed against the outer face of the inner wall in the cavity wall construction. Weep channels are formed between the two panels and allow for the drainage and dissipation of water and other moisture in the cavity wall system. In a second embodiment, membrane is initially attached to and draped along the lower portion of the inner wall immediately above the sill or lintel. The membrane extends across the cavity spacing between the walls to underlie the masonry components forming the outer veneer.

Abstract: An adjustable masonry arch form is disclosed. The adjustable masonry arch form has a planar base section to support the masonry elements which will form the masonry arch, and a plurality of attachment elements secured to the planar base for securing the form to a structure. The adjustable masonry arch form is constructed from material rigid enough to support the masonry elements, but flexible enough to be bent to conform to any given arched construction without unwanted buckling of the form. The masonry elements which form the masonry arch are placed directly on the planar base of the form in the desired configuration and secured in the masonry arch by mortar. The form is left in position permanently, obviating the need to build a temporary arch support saving time and expense and obviating waste of materials.

Abstract: An apparatus and associated method for a header in a structural framing system comprising a pair of track members defining opposing receiving portions. A plurality of column members is disposed substantially transversely to the track members and joined thereto. A web member is receivingly engaged in the receiving portions and spans the column members. The track members can be characteristically longitudinally arcuate and the web member characteristically conformable to the arcuate shape of the track members. In one illustrative embodiment the track members can comprise a plurality of flexibly joined sections that are moveable to define a selected arcuate longitudinal shape. A retaining member is adapted for retaining the flexibly joined sections in the selected shape. A fixing member is adapted for fixing the web member to one or more column members and/or one or more of the track members after the track members achieve the selected shape.

Abstract: An adjustable masonry arch form is disclosed. The adjustable masonry arch form comprises a planar base section to support the masonry elements which will comprise the masonry arch, and a plurality of attachment means secured to the planar base for securing the form to a structure. The adjustable masonry arch form is constructed from material rigid enough to support the masonry elements, but flexible enough to be bent to conform to any given arched construction without unwanted buckling of the form. The masonry elements which will comprise the masonry arch are placed directly on the planar base of the form in the desired configuration and secured in the masonry arch by mortar. The form is left in position permanently, obviating the need to build a temporary arch support saving time and expense and obviating waste of materials.

Abstract: The present invention provides a stud component of a cleanroom wall system that, in addition to supporting wall panels also supports a door, thereby doing away with the need for a separate, standard doorframe. Thus, the universal nature of the wall and door stud components substantially reduces the material and labor cost associated with acquiring and constructing doorframes in a cleanroom wall system.