Abstract: An insulated window buck with integrated fastening and anchor elements for a self aligning cut or molded insulated concrete form (ICF) window buck. The insulated window buck with integrated fastening and anchor generally includes an insulated ICF window and door buck made 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 friction fit to the inside of an ICF wall so as no external bracing or strapping is needed to keep the buck aligned with the ICF wall during concrete placement. Having a firm insulation material component on the internal portion of the buck is an integral part of the invention in that through the use of recesses in the insulation material the fluid concrete can flow into these recesses and make a permanent bond to the buck.

Abstract: A barrier comprised of a collar defining the form factor of the barrier and a plurality of slidably connected and nested rods creating a continuous barrier conforming to the form factor of the collar. While the collar defines the form factor of the barrier, the slidable rods can be adjusted in their relative positions along the form factor to provide for a barrier that conforms to the contours of the application surface. The barrier may include means to attach the apparatus to the decking and caps to seal the apparatus during construction activities. The rods are interconnected one to another so that the rods can be connected into a continuous barrier. The rods are able to slide relative to each other along the interlocking structure. When the device is set into position, rods may be slid into a barrier structure that conforms to both planar and non-planar surfaces of the application surface. As such, the apparatus provides an effective barrier for further construction processes, e.g.

Abstract: The present invention provides a floor through-passage molding apparatus adapted for a floor construction, which comprises a forming sleeve, a first covering plate assembly, a second covering plate assembly and a plurality of retaining assemblies. Said forming sleeve has a sleeve wall defining a hollow channel, a first opening and a second opening. Said first and second covering plate assemblies are respectively disposed on the first and second openings of said forming sleeve. Said plurality of retaining assemblies passes through the hollow channel of said forming sleeve, and are respectively retained with the first and second covering plate assemblies by a plurality of corresponding retaining holes formed on said first and second covering plate assemblies, wherein positions of the plurality of corresponding retaining holes distributed on said first covering plate assembly or said second covering plate assembly jointly define at least one plane.

Abstract: A thermally efficient frame for use in a wall structure formed using an insulated concrete form comprising an exterior frame assembly having an exterior flange for locating said exterior frame assembly against an exterior portion of the insulated concrete form, an interior frame assembly having an interior flange for locating the interior frame assembly against an interior portion of the insulated concrete form, wherein the exterior frame assembly and the interior frame assembly cooperated to define an opening in said wall structure, and a thermal break thermally separating the exterior frame assembly from the interior frame assembly and methods for using same.

Abstract: A stay-in-place buck for defining an opening in a cast concrete structure has a plurality of frame members arrangeable in an abutting relationship. Each of the frame members has a panel extending transversely between outer opposed panels of a stay-in-place form-work. Flanges extend from opposed edges of the frame member panel for abutment against outer surfaces of the outer opposed panels. Each flange has opposed mitered end edges for abutment against adjacent mitered end edges of flanges of adjacent frame members. The buck also includes fastener-receivers connectable to the panels of the frame members to form one or more fastener-receiving frames extending at least partially about a perimeter of the buck. Each fastener-receiver has mitered edge portions for abutment against adjacent mitered edge portions of adjacent fastener-receivers.

Abstract: A barrier comprised of a collar defining the form factor of the barrier and a plurality of slidably connected and nested rods creating a continuous barrier conforming to the form factor of the collar. While the collar defines the form factor of the barrier, the slidable rods can be adjusted in their relative positions along the form factor to provide for a barrier that conforms to the contours of the application surface. The barrier may include means to attach the apparatus to the decking and caps to seal the apparatus during construction activities. The rods are interconnected one to another so that the rods can be connected into a continuous barrier. The rods are able to slide relative to each other along the interlocking structure. When the device is set into position, rods may be slid into a barrier structure that conforms to both planar and non-planar surfaces of the application surface. As such, the apparatus provides an effective barrier for further construction processes, e.g.

Abstract: The present invention relates to a door skin comprising an exterior surface having outer portions lying on a first plane, spaced grooves recessed from the plane of the outer portions, and tonal portions having a planar area and a plurality of spaced depressions recessed from the plane of said planar area. The present invention is also directed to a method of etching a plate, for use with a molded die set, for embossing a wood grain pattern in the door skin, and the etched plate formed therefrom.

Abstract: A tank seal for use in cast concrete walls has a generally cylindrical main body portion with a stepped outside wall having first axially-extending portion, a second axially-extending portion having an outermost diameter less than an outermost diameter of the first axially-extending portion, and a radial ledge or step separating the first and second axially-extending portions. A wiper blade portion extends radially inwardly of the stepped outside wall, from an end of the second axially-extending portion opposite the radial ledge, terminating at a third end. A circular membrane or web extends across the third end, including at least one annular groove therein to facilitate removal of at least one circular portion of the web. The radial ledge collapses and the first axially-extending portion puckers in response to compressive force exerted on the tank seal in an axial direction, reducing the axial length of the tank seal.

Abstract: Systems and methods for securely attaching a screen or mesh to a pre-stressed or precast concrete wall panel are provided. A screen or mesh is embedded in a concrete form when the concrete form is poured. Portions of the concrete form can be stripped and the wall panel can be easily removed from the form without binding on the form itself and without requiring removal of the portion of the form which creates the window opening.

Abstract: A construction form system for forming concrete walls for use as above grade walls, foundations, frost walls, exterior envelopes, and the like, is disclosed. The system includes a plurality of pairs of opposing vertical forming panels spaced from each other to define a forming cavity disposed to receive a hardenable material. Each pair of opposing forming panels comprises an inner panel forming part of an inner wall and an outer panel forming part of an outer wall. The system also includes an outer rail positioned between each adjacent pair of outer forming panels and an inner rail positioned between each adjacent pair of inner forming panels. The inner forming panels comprise support panels configured to be selectively addable and removable from between each adjacent pair of inner rails prior to and subsequent to a pouring of the hardenable material into the cavity.

Abstract: A method for installing a window in or within a poured concrete wall is disclosed. The method comprises a kit with at least one window block. It also includes a first spacer adapted to abut a first side of the glass block and a second spacer adapted to abut a second side of the window block. The method implementing the kit includes the steps of erecting a wall form comprising of a first and a second form, locating the kit in between the first and second form, placing concrete into the wall form around the window kit, removing the first and second wall forms, and removing the first and second spacers.

Abstract: A wall and port form for forming a concrete wall having a port for mounting a window or a door includes a building wall form having a wall form perimeter wall and a wall form bottom wall; a portal form for placement within the building wall form perimeter wall for defining an opening for one of a door and a window, the portal including a portal form perimeter wall configured as a closed loop encompassing a port space and preventing concrete poured into the wall form from flowing into the port space encompassed by the portal form, and a form spacing and dislodgement mechanism for spacing the portal form from the building wall form bottom wall upon curing of concrete within the wall form and thereby dislodging the portal form from the grip of the concrete.

Abstract: A concrete form panel has a plurality of studs. A first and second panel are fastened to the studs to define concrete receiving cavities between the first panel and the second panel. A fastening strip attaches the panels to the stud and is vertically oriented. In addition, a netting may span the studs. An opening extending from panel to panel may create a concrete-to-concrete interface between concrete in the form panel and a concrete footing. A column may be formed in this fashion. Moreover, ports, such as windows and door, may be provided in wall assembly. The assembly may be attached by a truss anchor to a truss for a roof.

Abstract: A formwork system comprises an outer formwork, an inner formwork and an opening box-out. The opening box-out is rigidly connected to the outer formwork. The opening box-out can be reduced or enlarged in size by hinging a movable frame to its rigid inner frame. In the erected state of the formwork system, the opening box-out projects into an opening of the inner formwork. The opening of the inner formwork corresponds to the size of the recess to be formed on a concrete body. The inventive formwork system permits concreting of different wall thicknesses without changing the formwork system. Fitting of the opening box-out into a double-headed formwork can be omitted. Recess sizes and contours can be made more exact since the adjustable opening box-out is pressed on the inner edge of the opening in the second formwork shell.

Abstract: A gasket and mandrel assembly, including a gasket having an annular main body portion with an anchor flange and a pipe sealing portion. The gasket is foldable between a folded position in which the pipe sealing portion is disposed substantially within the main body portion and an unfolded position in which the pipe sealing portion extends outwardly of the main body portion along its longitudinal axis. A pair of mandrels are respectively fitted on opposite sides of the folded gasket to enclose most of the gasket for casting the gasket within a wall in a concrete structure. At least one of the mandrels includes an annular outer surface aligned parallel or substantially parallel with the longitudinal axis of the gasket.

Abstract: A support module for interconnecting to like support modules serves to support a number of core elements for encapsulation within a concrete structure. The module has a planar frame defining a first cutout and a second cutout. Each cutout has an arc shape, such that the cutouts from different modules define a circular aperture for closely receiving one of the core elements. The frame has extending portions with connection elements that connect with other support modules to securely receive the core elements. The extending portions are located about the periphery of the frame so that they are able to connect to other support modules in four orthogonal directions.

Abstract: A method and apparatus for constructing hollow metal frames having a grout filled interior is disclosed. An apparatus includes a substantially planar body having an upper and lower surface. The upper surface includes at least one grip. The lower surface includes a gasket and a number of protrusions. The protrusions are placed into holes on the hollow metal frame into which additional components such as hinges are to be added. Grout is added to the frame and allowed to harden. Once the grout is hardened, the grout guard is removed and air spaces are retained. Screws and other components are typically filled into the air spaces.

Abstract: A closed end of a one piece flexible elastomeric seal is mounted in one end of a tubular liquid concrete tight frame that is mounted on a removable door of one wall of a concrete wall mold, the other open end of the flexible seal is in liquid concrete tight sealing contact with the other wall of the concrete wall mold.

Abstract: A formwork system comprises an outer formwork, an inner formwork and an opening box-out. The opening box-out is rigidly connected to the outer formwork. The opening box-out can be reduced or enlarged in size by hinging a movable frame to its rigid inner frame. In the erected state of the formwork system, the opening box-out projects into an opening of the inner formwork. The opening of the inner formwork corresponds to the size of the recess to be formed on a concrete body. The inventive formwork system permits concreting of different wall thicknesses without changing the formwork system. Fitting of the opening box-out into a double-headed formwork can be omitted. Recess sizes and contours can be made more exact since the adjustable opening box-out is pressed on the inner edge of the opening in the second formwork shell.

Abstract: A wall and port form for forming a concrete wall having a port for mounting a window or a door includes a building wall form having a wall form perimeter wall and a wall form bottom wall; a portal form for placement within the building wall form perimeter wall for defining an opening for one of a door and a window, the portal including a portal form perimeter wall configured as a closed loop encompassing a port space and preventing concrete poured into the wall form from flowing into the port space encompassed by the portal form, and a form spacing and dislodgement mechanism for spacing the portal form from the building wall form bottom wall upon curing of concrete within the wall form and thereby dislodging the portal form from the grip of the concrete.

Abstract: A concrete for assembly and methodology by which instable window and door frames, placed within but not directly connected to a concrete form, are caused to be stable, position secured and sealed during a concrete pour.

Abstract: In molding a seal in a concrete wall, the front end of a tubular element is inserted between an outer tubular wall which forms part of the opening in the concrete wall and a conical seal that is integrally molded with the outer tubular wall. The tubular element includes a foot having a fastener portion that is spaced from and coplanar with the back end of the tubular element.

Abstract: A system and associated method for forming a window opening in a poured concrete wall and installing a window therein includes a two-piece reusable window buck having a retainer temporarily coupled thereto. The retainer becomes partially embedded in the poured concrete wall and after the window buck is removed from the window opening formed in the wall, the window is easily and conveniently installed in the window opening and secured therein by the window retainer and cooperating spring clip on the window frame without the need for additional mechanical fasteners or tools.

Abstract: An apparatus for receiving one end of a utility conduit sleeve within a concrete form. The apparatus has a tubular body with an interior surface intersecting first and second ends. The tubular body receives one end of the sleeve through one end and has a flexible flange at its opposite end. The flexible flange is secured against an inside surface of the form. A breakable, thin cover extends over the opposite end of the tubular body to prevent material from entering the tubular body.

Abstract: A tubular wall sealed at a first end by an integrally molded annular wall, forming a cap, is cast in the concrete wall of a low pressure vessel, forming a sealed cavity in the concrete. One end of a rubber tubular gland wrapped sealingly around the outside of the second end of the tubular wall is sealed in the concrete by a radially extending cast-in anchor. The diameter of the other end of the rubber tube is smaller than the diameter of the tubular wall of the cap.

Abstract: A window buck having members forming a frame with the members including adjustable components enabling use of the buck in walls under construction of different thicknesses. Extruded front and rear components of each buck member are adjustably interengaged with one another and fixable in a desired relationship to suit the wall being constructed. External channels formed in the buck members are open lengthwise to permit reception of angular connectors for joining the buck members at their intersecting ends. The connectors may be of reusable rebar and removable upon completion of the wall. The components of each buck member are lockable by inserted fasteners. A modified window buck includes a central component for use in walls of extraordinary thicknesses. A further modified window buck may include buck members of unitary construction.

Abstract: In molding a seal in a concrete wall, the front end of a tubular element is inserted between an outer tubular wall which forms part of the opening in the concrete wall and a conical seal that is integrally molded with the outer tubular wall. The tubular element includes a foot having a fastener portion that is spaced from and coplanar with the back end of the tubular element.

Abstract: A wall and port form for forming a concrete wall having a port for mounting a window or a door includes a building wall form having a wall form perimeter wall and a wall form bottom wall; a portal form for placement within the building wall form perimeter wall for defining an opening for one of a door and a window, the portal including a portal form perimeter wall configured as a closed loop encompassing a port space and preventing concrete poured into the wall form from flowing into the port space encompassed by the portal form, and a form elevating and dislodgement mechanism for elevating the portal form relative to the building wall form upon curing of concrete within the wall form and thereby freeing it from the grip of the concrete.

Abstract: A system and associated method for forming a window opening in a poured concrete wall and installing a window therein includes a two-piece reusable window buck having a retainer temporarily coupled thereto. The retainer becomes partially embedded in the poured concrete wall and after the window buck is removed from the window opening formed in the wall, the window is easily and conveniently installed in the window opening and secured therein by the window retainer and cooperating spring clip on the window frame without the need for additional mechanical fasteners or tools.

Abstract: A placement ring assembly has inside and outside mandrels releasably fastened together to secure and align a pipe connector gasket therebetween. A permanent magnet of a magnet assembly is inserted through co-aligned openings in the mandrels and is magnetically attracted to an inner-core of a casting assembly. When the cast member is set, a mechanical release is rotated to release the magnetic attraction between the permanent magnet and the mold core. One of the mandrels may be provided with shock absorbing knockout pads while the other mandrel has openings aligned with the knockout pads to enable the knockout pads to be struck with a hammer to separate the mandrels. Rubber cushioning members absorb the shock of the impacts, protecting the mandrel from permanent damage. One-piece hole formers may likewise be provided with a magnetic assembly having a mechanic release as well as knock-out pads.

Abstract: A hole former assembly used to form a reusable hole former assembly used during the construction of a manhole base. The hole former assembly of the present invention aligns the center of the formed hole in the concrete manhole base sidewall with the center of an inlet or outlet opening of a canal bed liner embedded in the base of the manhole. The hole former assembly is suitable for use in either wet casting or dry casting the base of the manhole with the inlet and/or outlet of the invert embedded in a sidewall of the base of the manhole. Several of the component parts of the hole former assembly of the present invention may be molded as a single unit and thereafter separated, thereby reducing certain manufacturing costs of the component parts.

Abstract: A method for attaching a window well to the outer surface of a window opening. The method includes providing a window well mold, and providing a window well clip for use with the mold, the clip having a first face and a second intersecting face. An opening is provided in the first face for receiving a bolt, with a sheath aligned with the opening. A support member is provided extending between the two faces to provide rigidity for the well clip. Means are provided for removably attaching the clip to the window mold, and the clip is attached to the mold to form a mold-clip assembly. The assembly is next set in fresh concrete with the first face flush with the outer surface of the window opening. After the concrete is hardened, the mold is removed, leaving the clip embedded in the concrete. A bolt is then provided and inserted into the first face opening, attaching the bolt to the window well, and tightening the bolt into the sheath.

Abstract: A placement ring assembly has inside and outside mandrels releasably fastened together to secure and align a pipe connector gasket therebetween. A permanent magnet of a magnet assembly is inserted through co-aligned openings in the mandrels and is magnetically attracted to an inner-core of a casting assembly. When the cast member is set, a mechanical release is rotated to release the magnetic attraction between the permanent magnet and the mold core. One of the mandrels may be provided with shock absorbing knockout pads while the other mandrel has openings aligned with the knockout pads to enable the knockout pads to be struck with a hammer to separate the mandrels. Rubber cushioning members absorb the shock of the impacts, protecting the mandrel from permanent damage. One-piece hole formers may likewise be provided with a magnetic assembly having a mechanic release as well as knock-out pads.

Abstract: A system and associated method for forming a window opening in a poured concrete wall and installing a window therein includes a two-piece reusable window buck having a retainer temporarily coupled thereto. The retainer becomes partially embedded in the poured concrete wall and after the window buck is removed from the window opening formed in the wall, the window is easily and conveniently installed in the window opening and secured therein by the window retainer and cooperating spring clip on the window frame without the need for additional mechanical fasteners or tools.

Abstract: Apparatus for creating a sleeveless passage of controlled size and shape through a concrete wall poured in a form including two form plates mounted in fixed, spaced relation separated by a width W comprises a plurality of modular, one piece passage units, each unit including an annular main shell of external size and shape conforming to a segment of the sleeveless passage; each unit has end closure walls closing the ends of the main shell. Each modular unit has an axial length L1 that is smaller than W. Each modular unit also has interlock elements that interconnect with another like modular unit so that the main shells of the units can be aligned with each other in one integral assembly between the two form plates.

Abstract: An attachment mechanism for a hole form that is used to secure the hole form to a form wall during a casting process. The attachment mechanism includes a hole form having an opening formed in the face thereof and a magnet assembly which is received in the opening of the hole form. The magnet assembly can include a flange portion which can be received in a corresponding stepped portion of the opening. The magnet assembly is removable and can be used in other hole forms.

Abstract: A window buck is formed of side walls that are extruded from vinyl. The side walls have interior channels. The side walls may be formed to effect a female-male connection between the ends of two adjoining side walls. Alternatively a locking member is provided that is sized to frictionally engage a selected channel. The edges of the side members are shaped for abutment to each other with a connector in the channels to hold the window buck together. The window buck thereafter may be placed before the cement wall is formed and is sized to receive a window frame. The window buck may be formed into selected geometric shapes. Window bucks of different dimensions may be assembled by selected sides of different dimensions from bins or pallets of presized side members.

Abstract: A house may be assembled from a plurality of vertically-cast wall sections and produce an aesthetically pleasing, highly desirable home at reduced cost.

Abstract: A method for constricting a wall of a building includes the steps of providing a footing form to outline a horizontal dimension for the wall; pouring wall form ring material between opposing sides of the footing form and allowing the poured wall forming material to set to provide a wall base; attaching a first wall form of predetermined height to a side of the footing form to define a vertical dimension of the wall to be built; attaching a wall component structure to an inside surface of the first wall form at a desired location for the wall component on the wall; attaching a second wall form to an opposite side of the footing form a predetermined distance apart from the first wall form according to a desired width of the wall; pouring wall forming material between the first and second wall forms to form the wall, the wall forming material being poured around the wall component structure; and, allowing the wall forming material to set between the wall forms and around the wall component structure.

Abstract: A window pour mold has an outer wall mounted against a front wall and a back wall of a wall mold for a concrete wall. The outer wall has a top that extends from the front wall horizontally for a short length and obliquely downward on a curve for a longer length.

Abstract: A window pour mold mounting system in which a window pour mold buck or window frame form in the wall mold is mounted at any one of a plurality of different heights using the same customarily available wall mold panel connector hole, and a tie guide on one location on the window pour mold.

Abstract: A form for establishing an opening in a wall poured between a first wall form and a second wall form in a wall. In one embodiment the form comprises a substantially rigid body having an outwardly extending portion at each end for forming a recess adjacent the opening and having a supporting member for suspending the form from the wall forms. In an alternate form of the present invention, the wall form is defined by a collapsible wall form that folds inwardly from the poured wall's opening to allow for the easy removal of the form from the wall. In another embodiment of the present invention the form has an adjustable member for changing the depth that the form extends from the top of the wall forms.

Abstract: The window buck is made of extruded irregular shapes consisting of a combination of cellulose and polymer compounded specifically to be used in connection with building walls of poured concrete. The combination desirably is a mixture of approximately 70% cellulose and approximately 30% polymer. The cellulose is preferably sawdust, and the polymer preferably is polyethylene.

Abstract: A construction method for one-step grout fixed window frames on external walls of a concrete-structured building includes the following steps. A window frame including vertical and horizontal sections is fixed with vertical lining boards to the inner side of its vertical sections to form a window frame assembly, and is then supported on an upper supporting board which has been securely attached to a concrete template of an external wall of the building. Template sealing strips are separately attached to an exterior edge and an interior edge of the vertical sections and the upper horizontal section of the window frame assembly, so that a complete molding cavity is formed. Into this molding cavity the grouting concrete is grouted and the window frame is inlaid in the concrete after the concrete is set and the concrete templates are removed.

Abstract: A formwork is to be used with a wall form assembly for forming a door opening in a concrete wall. The formwork mainly includes a parallel pair of mold frame members that are to be disposed between a parallel pair of wall form plates which confine a concrete pouring space for forming a concrete wall, and that are adapted to be mounted to the wall form plates. The mold frame members have partition plates that extend toward and that overlap one another. The partition plates are movable with the mold frame members towards and away from each other and confine a door opening that is isolated from the concrete pouring space. The formwork is easy to assemble and disassemble, is suitable for large-scale construction, and is adjustable to fit the size of the door frame that is to be installed.

Abstract: A form assembly is disclosed for forming vertical concrete walls for prefabricated apartment and office modules. The form assembly has a wall form having a plurality of internal wall forms and corresponding external wall forms. The wall form is connected to a support structure, and a plurality of hydraulic lifting cylinders connect to the support structure to raise and lower the wall form. The form assembly may also have hydraulic open and close mechanisms, hydraulic form ties and a control console for the hydraulic system. External corner mechanisms may be provided for locking the external form corners in place prior to concrete pouring. An efficient method of manufacturing the modules includes several steps. Slab reinforcement bars and conduits are layed on a slab deck. Concrete is poured over the slab reinforcement bars and conduits to form a slab. Wall reinforcement bars and conduits are erected on the slab for vertical walls.

Abstract: A positioning device for positioning a frame between two parallel form panels of a wall form assembly when pouring concrete includes a positioning plate and two seal strips. The positioning plate is adapted to be fastened to one of the panels and has a planar positioning surface which abuts against the frame and which is adapted to be perpendicular to the panel. The seal strips are adapted to be located on two sides of the frame between the panels such that each of the strips is positioned between the frame and one of the panels. A liquid-tight seal is established between the frame and the panels. Assembly of the frame and the seal strips defines between the panels a concrete pouring space and a non-pouring space which are located on two sides of the assembly. The positioning plate is located in the non-pouring space, and the frame is positioned between the positioning plate and the concrete pouring space.

Abstract: A moldplate, defining first and second planar surfaces, is constructed to have a lift foot that supports a prefabricated panel for lifting and transport. The moldplate includes support tabs that attach to a lifting truss in a manner that positions one surface of the moldplate so that a vector normal to the mold surface has a horizontal component and an upward, vertical component to support the slabs during lifting and transport to a drying station. The moldplate can be positioned in spaced, confronting, generally parallel vertical relation to a fixed, planar surface with a peripheral sidewall positioned between the two surfaces, defining a void for receiving a pourable material to vertically form the prefabricated panel.

Abstract: A foundation vent (20) for use with concrete forms (31 ) includes two frames that telescope together into a plurality of locking positions to allow the width of the vent to be changed to match the thickness of the concrete wall. The first frame (26) includes first walls (34) and a first flange (40). The first frame has a first inner end (36), and a first outer end (38). The first flange is disposed around a perimeter of the first outer end. The second frame (28) includes second walls (60) and a second flange (70). The second frame has a second inner end (66), and a second outer end (68). The second flange is disposed around a perimeter of the second outer end. A ridge (74) engages in channels (52, 58) defined by a plurality of shoulders (50, 54) disposed on the frames to allow the two frames to telescope together and to lock at various, predetermined widths. The ridge is disposed around a perimeter of the second inner end of the second frame. The ridge thus engages one of the channels.

Abstract: A window buck is formed of side walls that are extruded from vinyl. The side walls have interior channels. The side walls may be formed to effect a female-male connection between the ends of two adjoining side walls. Alternatively a locking member is provided that is sized to frictionally engage a selected channel. The edges of the side members are shaped for abutment to each other with a connector in the channels to hold the window buck together. The window buck thereafter may be placed before the cement wall is formed and is sized to receive a window frame. The window buck may be formed into selected geometric shapes. Window bucks of different dimensions may be assembled by selected sides of different dimensions from bins or pallets of presized side members.