Abstract: The present invention provides a shower door adjusting device comprising a first side frame and a second side frame; a first fixing base assembly including a first fixing base and a second fixing base, wherein the first fixing base is fixed on the first side frame, the second fixing base is detachably fixed on the first fixing base, an installation groove is formed in the first and second fixing bases, and the first fixing base assembly is provided with a first through groove therein; a locking sheet whose end is provided with a boss, wherein the end of the locking sheet is installed in the installation groove, the locking sheet is provided with a first locking hole which faces the first through groove; a first connecting bar fixed to the second side frame and provided with a first rack passing through the first locking hole and the first through groove.

Abstract: A shower door assembly is disclosed comprising a stationary frame, a movable frame with a through hole, an upper frame, a lower frame, and an adjusting assembly. The adjusting assembly further comprises a fixing block disposed between the stationary frame and the movable frame and received in the stationary frame, the fixing block having a passage with a first rectangular cross-section, and rotating blocks received in the upper frame and the lower frame respectively and having a rotating handle and an adjusting shaft perpendicular to the rotating handle. The end of the adjusting shaft remote from the rotating handle has a second rectangular cross-section with dimensions identical to the first rectangular cross-section, and an engaging element is disposed on at least one surface of the adjusting shaft.

Abstract: The present invention relates to a modular door having at least one door panel, premanufactured stiles and at least two rails, and is held together using rods optionally having at least one stabilizer; a modular door kit containing said components; and a method of assembling a modular door having said components without requiring adhesives or any extra fasteners.

Abstract: A clip for assembling corners of hollow members such as the rails and stiles of an extruded aluminum door. The clip has an L shape and may feature a double L shape. A portion inserts into the hollow of a first member and is attached thereto. Another portion extends into the other hollow member for attachment thereto to form a sturdy joint without welding. Pairs of clips may be used at each corner.

Abstract: A wind resistant modular ISO building includes a first cargo container, a second cargo container, and a mounting system. The first and second cargo containers are joined to each other. Most of an inner lengthwise side wall of the first and second cargo containers is removed. At least two moment frames are attached to an inside of the first and second cargo containers. The end door of the first and second cargo containers are replaced with an end panel. Preferably, at least one door entrance and window system is formed in at least one of the lengthwise side walls.

Abstract: A door assembly is disclosed which comprises a stationary frame and a movable frame, wherein the door assembly further comprises an adjusting assembly comprising a fixing element detachably connected with the stationary frame and having a cavity, the cavity having oppositely a first inner wall and a second inner wall, the first inner wall being provided with a first engaging element; an adjusting element detachably connected with the movable frame and having a adjusting block, the adjusting block being capable of being received within the cavity and defining a adjusting cavity together with the second inner wall, the adjusting block being provided with a second engaging element; and a locking element capable of extending into the adjusting cavity so as to engage the first engaging element with the second engaging element.

Abstract: A key of the present invention is for releasably connecting members, furniture and door assembly kits comprising keys, and members having mating connectors along their ends for releasably connecting the members through their mating connectors.

Abstract: A self-storing security door assembly including a door frame and a self-storing glass sub-assembly is disclosed. The door frame may include four side members and a freeze bar extending two opposing side members. The freeze bar may also divide a first portion of the door frame from a second portion of the door frame. A glass section may be coupled over the first portion of the door frame, and a screen section may be coupled over the second portion of the door frame. The self-storing glass sub-assembly may be coupled to the door frame included two protruding tracks. Each protruding track may include a channel and be positioned on an interior edge of opposing side members. At least two opposing side members may also include a recessed track on an interior edge. Each recessed track may include a channel between the protruding track and the respective side member.

Abstract: A dryer for drying various types of products such as food products and pet food. The dryer includes a frame structure, a conveyor disposed in the dryer, and a heating unit for supplying heat to the dryer. A plurality of relatively lightweight hygienic panels, including doors, is secured to the frame structure and form a part of the exterior of the dryer. The hygienic panels provide access to the interior of the dryer for cleaning and maintenance. Each hygienic panel is sealed so that moisture and air cannot enter the interior of the panel. Disposed inside each hygienic panel is a honeycomb panel and an insulating structure. The hygienic panel provides rigidity and strength to the hygienic panel and at the same time enables the panel to be of a relatively light weight construction.

Abstract: A door lite frame comprises a first frame component comprising first screw bosses and first grip sockets, and a second frame component comprising second screw bosses and second grip sockets. The first and second frame components are constructed to permit arrangement of the first and second frame components in an assembled state and a nested state with respect to one another. In the assembled state, the first screw bosses are correspondingly aligned with the second screw bosses, and the first and second frame components are secured to each other. In the nested state, at least one of the first screw bosses of the first frame component is mated with at least one of the second grip sockets of the second frame component.

Abstract: A door frame reinforcement assembly for resisting an intrusive force applied to a building door has a pair of opposing elongated jamb members and elongated reinforcement members securable with a respective jamb member. Each of the jamb members has a pair of rabbet milled step-up cutouts. One of the cutouts receives a long screw threadably engaging the jamb member with the walls studs. The reinforcement members are secured within the second cutout. The reinforcement members are formed as metal tubes with an insert.

Abstract: A core for a fire rated door includes an extruded fire resistant material, a filler material and a panel. The extruded fire resistant material has a first raised portion, a second raised portion and a lower portion that extends from a first end to a second end. The first raised portion has a first thickness and a first width that extends from the first side to the lower portion. The lower portion has a second thickness. The second raised portion has the first thickness and a second width that extends from the second side to the lower portion. The filler material is disposed above the lower portion of the extruded fire resistant material between the first raised portion and the second portion. The panel is attached to the first raised portion and the second raised portion of the extruded fire resistant material and covers the filler material.

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: A frame for doors, windows, and the like of buildings includes upper and lower portions that are both made of wood. The upper portion of the frame is made of a conventional wood, and at least a portion of the lower portion of the frame is made of a wood that is naturally resistant to weathering, decay, rot, insects, or the like. According to other aspects of the present invention, other building components such as doors, trim, and the like may also be constructed utilizing different wood species for different parts of the component to provide different levels of rot and/or decay resistance for different parts of the component.

Abstract: A door lite frame comprises a first frame component comprising first screw bosses and first grip sockets, and a second frame component comprising second screw bosses and second grip sockets. The first and second frame components are constructed to permit arrangement of the first and second frame components in an assembled state and a nested state with respect to one another. In the assembled state, the first screw bosses are correspondingly aligned with the second screw bosses, and the first and second frame components are secured to each other. In the nested state, at least one of the first screw bosses of the first frame component is mated with at least one of the second grip sockets of the second frame component.

Abstract: The preferred embodiment utilizes a key-shaped tenon on a rail that is designed to enter the lock-shaped mortise hole of the stile at the top or bottom of the stile. The key-shaped tenon slides into the top or bottom of the mortise holes of the stiles (i.e. the tenons on the top rail slide into the top of the mortise holes on the top of the left and right stiles while the tenons of the bottom rail slide into the bottom of the mortise holes on the bottom of the left and right stiles). A protrusion on the end of each of the key-shaped tenons of the rails permits it to lodge underneath a lip within each of the lock-shaped mortise holes. This interaction between the protrusion of the tenon and lip of the mortise hole prevents the rail from being removed from or disengaged from the stile in any direction other than the direction of entry.

Abstract: A frame for doors, windows, and the like of buildings includes upper and lower portions that are both made of wood. The upper portion of the frame is made of a conventional wood, and at least a portion of the lower portion of the frame is made of a wood that is naturally resistant to weathering, decay, rot, insects, or the like. According to other aspects of the present invention, other building components such as doors, trim, and the like may also be constructed utilizing different wood species for different parts of the component to provide different levels of rot and/or decay resistance for different parts of the component.

Abstract: A method of assembling a z-bar extension member to a z-bar that negates the need for trimming the z-bar. The apparatus includes an exterior z-bar member having an exterior barrel portion and an interior z-bar member having an interior barrel portion. The interior barrel portion is slidably or snappingly engaged within the exterior barrel portion. Mating structures may be included on the cooperating components to maintain a positional relationship therebetween during assembly. A guard assembly that mounts to the edge of a door or on the end of a door expander to cover the gap between the z-bar and the casing is also disclosed that may be used in conjunction with or as an alternative to the z-bar extension member.

Abstract: The present invention is a wide channel door frame cooperating with a wide width knife edge of a door and latching mechanism: to accommodate a gap between finger stock seals when the wide knife edge door is in the open position, to provide electrical connectivity between the door and door frame when the wide knife edge door is received into the wide channel door frame in the closed position, to accommodate ease of manufacturing a straight channel, to accommodate ease of cleaning the channel after installation of the finger stock seals, and to accommodate ease of closing/latching and opening/delatching the door. An alternative embodiment includes a third strip of beryllium copper finger stock seals attached to the base of the channel for increased electrical conductivity or the addition of weather seals for exterior applications. Wide channels and knife edges can be made of desirable material, for example 304 stainless steel.

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 method of manufacturing an insulated frame member including first and second frame components held in a spaced relationship by a first, glazing unit facing connector component and by a second connector component, the first and second frame components together defining a void substantially filled with a foamed material, wherein the first connector component is of width greater than or equal to the thickness of the glazing unit.

Abstract: A nosing and drip cap are mounted to each other by elements of the nosing and drip cap. A hook receptacle and/or a stud receptacle extend the length of the nosing. A cooperating hook and/or stud extend from the drip cap. The drip cap is secured to the nosing by engaging the hook in the hook receptacle and/or the stud in the stud receptacle, in a loose engagement combination. While nosing and drip cap are engaged, the assembly can be secured together by (i) installing fasteners spaced along the length of the assembly or, where hook and hook receptacle are used, (ii) bending the assembly into an arcuate configuration, with the inner flange of the nosing to the inside of the bend. While being bent, the hook and hook receptacle create a tightened locking-type engagement between themselves. Either way, the nosing and the drip cap are substantially permanently locked together.

Abstract: A door jamb which is flush with the wallboard. Also a door jamb which provides a pocket into which wallboard fits. The preferred embodiment of this invention comprises a central web having a first surface a second surface, a first side and a second side, with a first right triangular section at the first side and a second right triangular section at the second side. The adjacent leg of the first right triangular section is in line with the second surface and the opposite leg of the first right triangular section projects away from the first surface. Further the adjacent leg of the second right triangular section is in line with the first surface and the opposite leg of the second right triangular section projects away from the second surface.

Abstract: A corner joint for a window or door frame includes first and second frame members each having a mitered end, at least one cavity in each mitered end and at least one side wall opening into each cavity. A screw boss is disposed in the cavity of the first frame member, and a detent lug on a flexible resilient portion of the screw boss is received in the side wall opening of the first frame member. A corner key has a first leg received in the cavity of the first frame member over the screw boss to hold the screw boss in place, and a second leg received in the cavity of the second frame member. A screw extends through the side wall opening in the second frame member and through the corner key, and is threaded into the screw boss to clamp the mitered ends of the frame members together. A sealing gasket may be captured between the mitered ends of the frame members.

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: An access door adjustable to an opening, comprising a frame adjustable to the width and the height of the opening; and a door panel, the frame comprising side members and corner members; each side member having a section adapted to receive an edge of the opening and comprising a first part adapted to lay flat on an outer surface of the edge of the opening and a second part extending within the opening and comprising engagement positions, the engagement positions being adapted to engage the corner members between a maximum length for each side of the frame by using outermost engagement positions and a minimum length for each side of the frame, depending on the size of the opening, the frame receiving the door panel for closing the opening.

Abstract: A modular door case for bathing enclosure includes two jambs, two frame members, and four fasten components. Each frame member has an accommodating portion at ends thereof, and at least one pair clasp holes respectively formed on upper and lower walls of the accommodating portion. Each fasten component has a base, at least one pair of clasp members, and at least one compelling bolt. A clasp protrusion is disposed at opposite distal end of each clasp member, so that space between the pair of clasp members, in normal state, shrinks from the joint ends to the distal ones. Each clasp protrusion of the clasp member contacts each clasp hole of the frame member, while the base inserts into each accommodating portion. The compelling bolt is between the pair of the clasp members, and further capable of moving towards the distal ends of the clasp members.

Abstract: A modular door case for bathing enclosure includes two jambs, top and bottom frame members, and four fasten components. Each frame member has an accommodating portion disposed at ends thereof, and at least one pair clasp holes respectively formed on upper and lower walls of the accommodating portion. Each fasten component has a base, at least one pair of clasp members above and below, and at least one compelling bolt. A clasp protrusion is disposed at opposite distal end of each clasp member, so that space between the pair of clasp members, in normal state, shrinks from the joint ends to the distal ones. Each clasp protrusion of the clasp member contacts each clasp hole of the frame member, while the base inserts into each accommodating portion. The compelling bolt is between the pair of the clasp members, and further capable of moving towards the distal ends of the clasp members to shove the clasp members for engaging with each clasp hole.

Abstract: A shutter assembly having a shutter with louvres, and a border frame for surrounding the shutter which is attachable to a building and having a plurality of frame side sections each formed of sections of extruded plastic, a plurality of hollow tubes, separated by thin walls, defined in the sections, a fastener channel formed integrally in the frame side sections for receiving fasteners for holding the shutter assembly in place, and, an extruded plastic removable cover plug channel having flexible side walls for fitting in the fastener channel and closing the channel and thereby concealing heads of the fasteners.

Abstract: A door as provided includes a one piece molded outer frame, a transparent panel, and a one piece molded inner frame, the inner and outer frames being coupled via a clip component and clip receiving component with the transparent panel secured therebetween.

Abstract: An elevator shaft closure, which separates an elevator shaft of a building from a story of the building, has a door frame. An elevator control arrangement is arranged in a chamber of the door frame, wherein the elevator control arrangement includes an elevator control unit and at least one electronic power unit for operation of an elevator motor.

Abstract: A door corner assembly having a tubular vertical stile having a first face defining a first aperture; a tubular corner block having a bottom surface, two side surfaces and a beveled nose defining at least one nose aperture along a longitudinal center line of the nose, wherein the nose aperture is in alignment with a second aperture defined by the bottom surface; the corner block further defining first and second screw splines; wherein the corner block is secured to the stile with a first fastener extending through the first and second apertures; and a tubular rail member, wherein the tubular rail member receives the corner block inside an open end of the tubular rail member and wherein the corner block is secured within the tubular rail member by a second fastener extending through an opening in the rail member and engaged with one of the first and second screw splines.

Abstract: A blind frame for a window or door, the blind frame including a channel defined by the blind frame, the channel extending at least partially around the periphery of the blind frame and defining a space between the frame and an adjacent wall, the space being adapted and configured to receive an amount of concrete so as to affix the frame to the wall. The blind frame may include an accessory compartment including a housing defining an external surface adapted and configured to support an amount of concrete and embed said housing in said wall opening.

Abstract: A sliding wall has at least one door provided with an actuating element for locking the door. A pinch protection device is connected to the door. The pinch protection device has a cover element having a covering position and an open position. The cover element is transferable from the covering position into the open position and from the open position into the covering position. A receiving space for accommodating functional elements of the door is provided. The cover element covers the receiving space in the covering position and in the open position opens the receiving space.

Abstract: The present invention is in a first part is a door security system including an elongate J-frame to attach to a door-frame having a recessed groove defined within a first vertical piece. The J-frame snugly nestles within, and extends entirely along the groove. An elongate vertical member attaches to a door first vertical surface to entirely cover same and traverse at least the door thickness. The vertical member mates with the J-frame, to prevent unwanted force entry. In a second part, the invention includes an elongate U-frame to attach to a door having a recessed groove defined within a second vertical surface. The U-frame snugly nestles within and extends entirely along the recessed groove. An elongate T-frame attaches to, and extends axially entirely along, a second vertical door-frame piece. The T-frame mates with the U-frame to prevent the door from being removed from its frame.

Abstract: The present invention relates to an improved structure for a steel door which comprises a steel door frame and a steel door panel which is hinged on one side of the steel door frame, wherein the steel door panel comprises a steel-made door panel frame and a door opening defined by the door panel frame, the door opening has an interior portion which is disposed with a plurality of steel guarding members forming graphics, portions other than the guarding members in the door opening form hollowed units; a rear side of the door panel frame is disposed with a glass door panel which corresponds with the door opening, the glass door panel comprises a steel-made glass door panel frame which surrounds a peripheral body of the door opening and is formed on the rear side of the door panel frame, and a glass which is embedded in the glass door panel frame, one side of the glass door panel frame is hinged on one side of the door panel frame, the glass door panel frame is completely hidden behind the rear side of the door

Abstract: The watertight patio door assembly includes two adjacent and laterally offset door panels mounted in a door frame, at least one of the door panels being slidably movable within the door frame. It also includes a combined air and water passageway located within a sill section of the door frame. The passageway provides a continual fluid communication between a location at a bottom end of a clearance gap, located between adjacent vertical frame members of the door panels when the patio door assembly is closed, and the exterior side of the patio door assembly. Two spaced-apart sets of weatherstrips create a vertically-extending buffer air space within the clearance gap. The disclosed arrangement can greatly improve watertightness between the door panels during severe weather conditions without the need of a complex arrangement and/or weatherstrips impairing the movement of the sliding door panel or panels.

Abstract: A door comprising a frame having a hinge stile, a lock stile, a top rail, and a bottom rail defining an internal cavity, an interlayer secured within the internal cavity, a front skin further defining the internal cavity, and a rear skin opposite the front skin and further defining the internal cavity. A method of manufacturing a door including the steps of securing a hinge stile, a strike stile, a top rail, a bottom rail, and a first skin defining a frame and an internal cavity within the frame, inserting an interlayer within the internal cavity, securing the interlayer within the internal cavity to an inner surface of the frame with a plurality of fasteners, and securing a second skin opposite the first skin and further defining the internal cavity.

Abstract: A thermally insulated structural member for a door or window includes a metal frame and a plastic insulation bar. The plastic insulation bar is formed from a thermoplastic composition that includes about 55 to about 95 weight percent of a compatibilized polyamide-poly(arylene ether) composition, and about 5 to about 45 weight percent of hollow glass beads. The hollow glass beads used in the thermoplastic composition have a volume-average diameter of about 20 to about 60 micrometers, a true density of about 0.3 to about 0.5 grams per milliliter, and an isostatic crush strength of about 30 to about 60 megapascals. The thermoplastic composition includes less than 5 weight percent of fibrous reinforcement. The thermally insulated structural member provides improved thermal insulation compared to structural member utilizing fiberglass-reinforced plastic insulation bars.

Abstract: A profiled section includes a first surface and a second surface, such that the second surface has an opening to at least partially receive an element of a locking member. The wing is structured and arranged parallel to the second surface. Further, an element is coupled to the first and second surfaces and to the wing. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Abstract: Door frames, frame kits, component parts, jamb coverings, and depth extenders, all constructed with fiber reinforced pultruded structures, for entrance doors to buildings, both garage entrance doors and personnel entry doors. Some embodiments have a closed back wall. Others have an open cavity at the back wall to receive a reinforcing substrate. Some embodiments include a pultruded nosing block. Some embodiments comprise a pultruded depth extender, mountable on a jamb base to extend the depth of a door jamb. A mounting finger and a locking stud on the depth extender are mountable in cavities in the jamb base. A depth extender can be used to extend the depth of either a garage door frame or a personnel entry door frame. In an in-swing door frame, a door latch-side abutment surface is located on the side wall of the jamb base.

Abstract: A door is constructed with a separate member joined to the door edge by a tongue-and-groove coupling and screws so as to be readily removable and replaceable. The separate member sustains the impacts imparted to the door by carts or wagons pushed past the door and can be readily replaced when damaged, thus avoiding replacement of the entire door. A flexible cover snaps over the outer surface of the separate member to add impact resistance and aesthetic appeal. Intumescent strips may be inserted inside or outside of the cover to enhance sealing between the door, and as adjacent door or door frame, thereby improving the fire resistance rating of the door. Accent strips or reveals of contrasting or complementary colors may be incorporated to add to the aesthetic appeal of the door. The door construction is of particular utility in schools, health care facilities and other institutions.

Abstract: A door including a frame having a lock stile, a hinge stile, a front side, and a back side, the lock stile having an outer member connected to an inner member with a dovetail joint, the hinge stile having an outer member connected to an inner member with a dovetail joint, a first skin secured to the first side, and a second skin secured to the back side.

Abstract: A door including a frame having a plurality of slots on opposing sides, a pair of skins having a plurality of protrusions extending from a back surface, wherein the skin is secured to the frame with an adhesive between the skin and the frame as well as between the protrusions and slots. A method of manufacturing a door including the steps of forming a plurality of slots in a frame, forming a plurality of protrusions on a back side of a first skin, applying a layer of adhesive on at least one of the frame and the skin, and inserting the plurality of protrusions into the plurality of slots.

Abstract: A corner joint between two frame lineals of a pultruded window frame is defined by inserting a leg of a corner member into a hollow interior of each lineal and attaching the legs to the lineals by adhesive. Each leg has a plurality of surfaces thereof each having a first portion at the corner which lies closely adjacent a corresponding surface of the first lineal and a second portion, at the end of the first portion remote from the corner which tapers inwardly away from the corresponding surface of the first lineal such that a spacing therebetween increases in the direction away from the corner. The adhesive is applied to the tapered portion and the taper acts to force the adhesive along the leg to the first portion and to the ends of the lineals where the excess can be wiped away.

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: A door, method of making a door, and stack of doors includes providing a door having front and back skins that have differing, but complementary profiles, one for the front side of the door and one for the back side of the door where each allows and fits onto the other, while still providing direct contact in the stile and rail zones of the door permitting conventional door layup practices.

Abstract: The present invention provides a door panel that comprises an outer panel and an inner panel joined together at adhering portions and, regardless of whether rib portions are formed on the adhering portions in order to prevent deformation of the adhering portions or for other purpose, can be modified to withstand severe heat by means of formation of large ventilation openings in the adhering portions without significantly impairing the shape or the strength of the door panel.

Abstract: A radiation limiting opening for a structure includes a door with a gasket which seals against a door frame about the opening. Spaced apart channels in the door frame define a strike plate therebetween. A film made of a material galvanically compatible with the gasket to prevent corrosion is in intimate contact with the strike plate by a seal. This seal lodges an edge of the film in each channel to create a tortuous path for radiation.

Abstract: A door security system serves to substantially improve the reliability of the entire door assemblies with non-standard door jamb thicknesses. The system may comprise up to four or more components. An adjustable door jamb shield may be mounted around a door jamb on the side of the door jamb corresponding to the door slab free swinging edge. Another adjustable door jamb shield may also be mounted on a door jamb on the hinge side of the door jamb. The adjustable shields comprise attachable sleeves that wrap on three sides around the door jamb to reinforce and stabilize the door system.