Abstract: A building frame resistant to earthquakes, gale-force wind loads, fire, insects and rot includes a peripheral frame wall constructed of rectangular steel tubing. Side wall frame modules and end wall modules bolted together along adjacent edges form the peripheral frame wall. Diagonal bracing is built into selected side and end wall modules as required for the desired degree of wind resistance. Trusses made of various size tube such as 2×3 inch rectangular steel tubing for supporting a roof, including a hip roof, on the peripheral wall, are assembled and welded in a welding shop and the prefabricated trusses and wall modules are trucked to the building site. Multiple stories may be erected and fastened together by anchor brackets arranged bottom-to-bottom above and below the second and higher floors. The building frame is secured to a foundation by attaching the anchor brackets to anchor bolts set in the foundation.

Abstract: A clip guide apparatus for installation of decking members to an underlying joist structure by means of a clip with a pneumatic screw gun. The clip guide apparatus is comprised of a guide apparatus and a clip installation guide which are attached to the screw gun. The clip installation guide slides in the guide apparatus in response to the operative movement of the screw gun to advance the clip into a decking member. The clip is secured in position with a screw fastener whereby the decking member is secured to the underlying joist structure.

Abstract: A clip is provided for affixing a construction unit to a building structure. The clip comprises: a generally planar middle portion, an exterior portion located on an exterior side of the middle portion and an interior portion located on an interior side of the middle portion; the exterior portion comprising a groove at an exterior end of the clip for receiving a construction unit flange, the groove having a generally U-shaped cross-section, the groove defined at least in part by a pair of generally parallel groove portions and a base portion connecting the groove portions at a base of the groove, the base of the groove spaced apart from an opening of the groove; the middle portion extending from an interior side of groove toward the interior portion; and the interior portion at an interior end of the clip, the interior portion extending from the middle portion at an obtuse angle to define a fulcrum at a junction between the middle portion and the interior portion.

Abstract: A beam shoe for attaching a (first) beam end-on to a load-bearing construction, especially to a second beam disposed in the same plane as the beam to be attached and running at right angles thereto, the beam shoe comprising an originally flat, one-piece, strip-like sheet-metal portion or blank, which is shaped to an upwardly open channel-shaped retaining member having a web-like rectangular bottom for bracing the beam to be attached on the beam shoe as well as two web-like, parallel retaining legs, the retaining member embracing, in assembled condition, an end portion of the beam to be attached at the underside and side faces thereof, the legs, which are bent over upwardly from the bottom at right angles and disposed along two opposite borders of the bottom, being provided with through holes for rod-like fasteners such as nails in particular in order to join the beam shoe to the beam to be attached, the inside spacing of the legs therefore being (at least) as large as (and if necessary somewhat larger than) t

Abstract: A stabilizing system for a deck system has a plurality of pedestals, a plurality of connection locations on a periphery of the pedestals and a stabilizing bar secured between the pedestals. The stabilizing bar includes a first half, a second half, a fastener, and a first securing member. The first half and the second half connect to each other and are extendable between at least two of the pedestals. The second half is sized to receive the first half therein in a telescoping manner. The fastener connects the first half with the second half, while the first securing opening extends from a bottom surface and is located near a respective end face opposite a juncture between the halves.

Abstract: A coupling system for securing an elongated wood member having a surface to a second body comprises a stitching body having a first end and a second end defining a length, and a first side and a second side. A first plurality of angled fastener bores is positioned generally on the first side of the stitching body, each configured to position a first side fastener element resting therein at least a first angle with respect to the surface of the elongated wood member. A second plurality of angled fastener bores positioned generally on the second side of the stitching body, each configured to position a second side fastener element resting therein at least a second angle with respect to the surface of the elongated wood member, such that ones of said second side fasteners and said first side fasteners form an intersection when viewed along the length of the stitching body. In one aspect, the coupling system is a hold-down securing a column having a surface to a foundation.

Abstract: Reinforcing connector (10) for reinforcing attachment among components (110) of a structure (100); such as crossing beams (111). Reinforcing connector (10) includes a length of roving (20) composed of filaments (25). Roving (20) is disposed in borehole (50) piercing first beam 111A Free ends (21,23) of roving (20) protrude from borehole openings (51) and are splayed apart into individual filaments (25). Filaments (25) are attached to surfaces of components (110) with adhesive means (30). Reinforcing connector (10) increases ductility and resistance to lateral forces of structure (100).

Abstract: An L-shaped clip for mounting a trim member along an exposed edge of a suspension ceiling includes a support leg to be longitudinally secured to a grid tee and a perpendicular face leg to be secured to the trim member. The support leg includes offset clip walls for engagement with offset tee walls and clip abutment surfaces for engagement with tee abutment surfaces. The offset walls and abutment surfaces cooperate to assist in the alignment and mounting of the clip to the grid tee at different relative heights. A single clip may be mounted to either a T-shaped grid tee or an open channel grid tee.

Abstract: The lightweight concrete panel is comprised of a thin concrete slab, a standard steel stud frame, optional insulation strips to increase its thermal performance for exterior wall applications, and specially engineered blind rivets or screws that connect the thin concrete slab to the metal frame. The specially engineered blind rivet has a protruding and shaped head that acts as an anchor when embedded in the hardened concrete slab and has an optional elastic cover in its embedded head to allow slight movement of the concrete slab. The engineered screw with an elastic cover can also be used as the connecting device that allow slight movement of the concrete slab.

Abstract: A strap to secure bolts at a proper spacing for installing a storm panel to a track using bolts and fasteners. The strap holds the bolts in place, allowing ease of storm panel installation. The storm panels are typically used to protect building openings, such as windows and doors, during periods of bad weather. The storm panels may also be used for security purposes.

Abstract: A wire tire includes an embedment end having first and second ends. First and second leg portions extend from the first and second ends, respectively. First and second moment arms extend from the first and second leg portions, respectively. First and second hook arms extend from the first and second moments arms, respectively.

Abstract: An adjustable connector is provided for connecting an elongate substantially vertical supporting structural member and an elongate generally horizontal supported structural member. The connector is provided with a side attachment member that attaches to an elongate substantially vertical supporting structural member and a cap that attaches to the elongate generally horizontal supported structural member, with a pin connection that enables rotation between the cap and the side attachment member.

Abstract: A clip for joining reinforcing members for use in reinforced concrete slabs and/or columns includes a first wire member having an upper mid-portion and pair of legs, each of the legs having a hook portion adapted to wrap around a lower surface of a first reinforcing member. A second wire member has a lower mid-portion and a handle portion, the lower mid-portion sized to seat on an upper surface of a second reinforcing member. Each end of the lower mid-portion extends outward, wrapping around an outer portion of the upper mid-portion of the first wire member at least once, and extending parallel to the second reinforcing member to form the handle portion.

Abstract: A bracket for use with metal construction framing which is a generally planar construct having a first outer flange and a second outer flange, configured to form a recess between such flanges suitable to engage at least one face of a metal construction stud and to interlock with the stud via at least two non-longitudinal tabs.

Abstract: A door hanger (140) is disclosed for use in installation of a door assembly (100). The door hanger (140) includes a jamb arm (142) with a triangular shaped edge (144), and proximate shorter edges (145) formed inwardly from the triangular shaped edge (144) and perpendicular to each other. A pair of opposing faces (143) are formed by the triangular shaped edge (144) and the proximate edges (145), and a central hole (146) is located substantially in the center of the opposing faces (143). An alignment flange (150) is perpendicular to the jamb arm (142) and includes a distal arcuate edge (152). The arcuate edge (152) has a configuration substantially conforming to the legs of a triangle. Formed inwardly from the distal arcuate edge (152) are a pair of opposing sides (154), with sets of alignment notches (156) formed on the opposing sides (154).

Abstract: A truss hold-down connector for attaching metal trusses to a bearing member. One embodiment of the truss hold-down connector has a vertical connector web that has a bottom attachment leg protruding therefrom for attachment to a bearing member and first and second attachment tab portions for attachment to the flanges of a vertically extending truss web. Stiffeners may be embossed into the vertical connector web to provide the connector with additional strength. The first and second attachment tabs may be configured to enable pairs of identical connectors to be attached to vertically extending truss webs that have one or more diagonally extending truss webs attached thereto.

Abstract: A connecting element for panels comprises at least one plate (2) which can be fixed to a first panel (3), a connecting body (4) connected to the plate (2) and which can be inserted in a cavity (6) in a second panel (5) to connect the second panel to Other first panel (3); the connecting body (4) having a substantially ‘V’-shaped cross-section and having a top edge (9) which can be completely inserted in the cavity (6).

Abstract: A combination stud and bridging member for use in a metal wall. The stud includes a web and a pair of flanges with the web including first and second sides and having a depression formed therein. Adapted to engage or extend through the web, the bridging member includes first and second end portions. One end portion includes a concave shaped recess that when disposed adjacent the stud accommodates the depression formed in the web. Disposed on the end portion of the bridging member having the concave recess is a projection receiver. Disposed on the opposite end of the bridging member is a projection. In a wall structure, the bridging members are adapted to extend between the studs. More particularly, the projections of the bridging members extend through openings formed in the web of the studs and into the projection receivers of adjacent bridging members to form an interlocked relationship.

Abstract: A gusset connector plate for anchoring a safety line to a roof truss, a roof truss and an anchoring system incorporating the same. The plate is substantially planar and includes an attachment region and an anchor portion. Teeth extend from the attachment region and into the sides of truss members that form the peak of the roof truss. The anchor portion extends laterally beneath the peak and a hole defined therein receives the connector for the security line. The hole is disposed below the lower surfaces of the truss members and vertically beneath the peak. The plate is permanently engaged with the truss. A single plate or a pair of plates may be incorporated in the roof truss and utilized in the anchoring system.

Abstract: A hanger bar for supporting a recessed light fixture is attachable to ceiling joists or a T-bar grid of a drop down ceiling. First and second bars of the hanger bar slide and telescope. First and second spring clips are detachably coupled to the brackets at the ends of the first and second bars, respectively. Each of the first and second clips has a pair of downwardly extending arms bent inwardly toward one another, a first leg extending from a first arm, a second leg extending from a second arm, and an outwardly-extending foot on the second leg. The spring clips snap on to the T-bar grid. Each bracket includes a nail that is angled away from the hanger bar and downward so that the nail head is below the level of the hanger bar. The angled nails enable easy hammer strikes to attach the hanger bar to ceiling joists without accidental hammer blows to the hanger bar.

Abstract: A construction connector incorporating one or more fasteners can be formed by a plate including a plurality of openings, at least one fastener aligned with a corresponding opening in the plate and oriented substantially perpendicular to the plate, and a breakable connection coupling the fastener to the plate. The breakable connection further can comprise a weld. A second fastener also can be aligned with a second corresponding opening in the plate such that it is oriented substantially perpendicular to the plate, and a breakable connection can be used to couple the second fastener to the plate. Additionally, a second plate can be coupled to the plate, wherein the second plate includes at least one opening.

Abstract: A device 60 for fixing together first and second side-by-side beams of a kind having first and second spaced apart flanges connected by a web. The device 60 comprises a member 62 having first and second opposing ends 64, 66 and is configured to extend from a first flange to a second flange of the beams. The device further comprises at least one portion 68, 70 extending laterally of each of said first and second opposing ends with the at least one portion at the first opposing end being configured to be fixed to an outer surface of the first flange of the first beam and the at least one portion at the second opposing end being configured to be fixed to an outer surface of the second flange of the second beam.

Abstract: A roof fastening system that joins building walls or roof structures of a building frame to its foundation to provide a continuous load path that resists upward and lateral forces without interfering with the natural downward forces exerted on the frame over time. This system includes a composite material that combines the properties of a house wrap with high tensile strength low elongation fibers along one direction of the fabric and lower tensile strength high elongation fibers along one or more fabric directions that cross the high tensile strength low elongation fibers. The composite material extends from the top plates or heel truss of the framing of the structure down to its foundation to hold the frame together against high wind loading.

Abstract: A wall fastener that attaches a wallboard member to a mounting track in a manner that allows for relative movement between an overhead roof structure to which the mounting track is secured and a non-load bearing wall. The wall fastener holds the wallboard in a fixed position relative to the wall and the overhead structure to maintain a fire barrier.

Abstract: A connector and method of using the connector for making a structural connection between two structural members joined at an angle. The connector is bent in the field to allow the connector to be used in both left-hand and right-hand connections. The connector is preferably formed from metal with an integral gusset at the longitudinal line of juncture. The connector is preferably attached to the structural members by a plurality of fasteners. The gusset reinforces the connection against forces acting perpendicular to the longitudinal line of juncture and the plurality of fasteners reinforce the connection against angular displacement of the structural members perpendicular to the longitudinal line of juncture.

Abstract: An edge trim system for suspended island ceilings in which a one-piece clip couples standard grid tees to standard wall molding. The clip is arranged to snap onto the grid tees where the ceiling boundary is along a line of the grid and to be screw fastened onto a tee where the ceiling boundary is other than along the grid. The clip is arranged to snap into and retain the molding in place without fasteners.

Abstract: A roofing clip and connector for retaining metal roofing panels to the purlins of roofs comprising a rigid clip piece in the form of a folded piece of material with a loop in the vicinity of the fold and a constricted area between the loop and the folded ends of the materials, with holes to facilitate attachment of the clip to the purlins, and with the upper fold of the clip having an upturned segment more than 69 degrees at the end thereof, and a connector to be inserted into the clip, with a tab extension extending laterally from the connector.

Abstract: A roof securing system for use in the construction of a roof structure having an arrangement of spaced apart, parallel support beams and an arrangement of roof panels disposed in overlying and spanning relation atop at least two adjacently positioned support beams. The securing system includes at least one elongate metal strap with a top side and a bottom side, and including a central zone and a pair of oppositely disposed distal zones. The central zone of the strap is adapted to span at least one of the roof panels and has a spaced arrangement of pointed prongs extending downwardly from the bottom side for fastened attachment into the roof panel by hammering the top side of the strap. The strap is structured and disposed to be fastened at its opposite distal zones to one of the support beams such that the strap and the roof panel become securely anchored to the support beam.

Abstract: A clip device for fastening first and second structural members typically decking members. The clip device has a base portion with first and second opposed ends and a thickness a first vertical leg portion integral with the leg base portion is horizontally spaced apart from a second vertical leg portion integral with the base portion. Arm flange portions integral to the first and second vertical leg portions are horizontally spaced from the base and aligned respectively towards said first and second opposed ends. A fastener receiving hole in the base is used to attach the clip device to the joist. The base portion, vertical leg portion and arm flange portion define diametrically opposed U-shaped jaw elements for holding the structural member to the joist.

Abstract: A gusset plate for securing roof truss members together and aiding in anchoring a security line. The plate is planar and metallic having front and rear surfaces and an outer perimeter. Teeth project outwardly from the rear surface. The perimeter includes a flat or V-shaped first edge and a U-shaped second edge. The V-shape and U-shape open in the same direction. The plate includes first and second wings defined between the first and second edges and extending for a distance along the front surfaces of the truss members. A shackle on the security line is secured to the roof truss proximate where the roof truss is reinforced by the gusset plate. The plate secures the truss members together and can provide a strong, rigid surface for the shackle to engage thereby reducing the likelihood of damage to the truss when force is applied to the security line.

Abstract: A connection between a first structural member and a second structural member by a separate structural connector is provided where the second structural member has a first surface from which a fastener protrudes, and the fastener has a relatively narrow shank and a head that is wider than the shank attached to the shank, the head being held away from the first surface of the second structural member, the head also having a top surface and a bottom surface, and the connector is formed with at least one restraint opening therethrough, the restraint opening being formed to have a first ledge and a second ledge that are spaced apart and the head of the fastener is inserted between the first ledge and the second ledge.

Abstract: Connection plates for constructing buildings are disclosed herein. In one embodiment, a connection plate includes a generally planar insert member and a support member. Insert member has a first side configured for receipt in a slot defined by a structural member and a second side configured for receipt in a slot defined by another structural member. First and second sides collectively define inner and outer edges. Support member is coupled to first and second sides is generally perpendicular to insert member in two directions. Either (1) a portion of inner edge corresponding to first side is angled relative to a portion of inner edge corresponding to second side and support member is coupled to inner edge; or (2) a portion of outer edge corresponding to first side is angled relative to a portion of outer edge corresponding to second side and support member is coupled to outer edge.

Abstract: A clip for attaching the end of a grid tee to a wall angle. The clip, in various forms, is arranged to frictionally lock between the hem of the horizontal leg of the wall angle and the vertical leg. The clip, typically, has a pair of opposed open hems forming channels in which the flange of the tee end is received to join the tee to the clip. The clip can be elongated horizontally to accommodate movement of the grid during seismic activity. The clip can be used to trim the edges of a ceiling island and can be made to accommodate angular intersections of the grid with a wall or island edge.

Abstract: A bracket for use with metal construction framing which is a generally planar construct having a first outer flange and a second outer flange, configured to form a recess between such flanges suitable to engage at least one face of a metal construction stud and to interlock with the stud via at least two non-longitudinal tabs.

Abstract: An adjustable connector is provided for connecting an elongate substantially vertical supporting structural member and an elongate generally horizontal supported structural member. The connector is provided with a side attachment member that attaches to an elongate substantially vertical supporting structural member and a cap that attaches to the elongate generally horizontal supported structural member, with a pin connection that enables rotation between the cap and the side attachment member. An unadjustable connector is also provided for connecting an elongate substantially vertical supporting structural member and an elongate generally horizontal supported structural member. The connector is provided with a side attachment member that can attach directly to an elongate substantially vertical supporting structural member and the elongate generally horizontal supported structural member.

Abstract: A building fenestration that reduces the amount of time, effort and expense associated with installing a jamb in a rough opening of a building panel structure includes a jamb positioned plumb in the opening, the jamb having outwardly facing planar surfaces, at least one bracket receiving slot on at least one of the outwardly facing planar surfaces of the jamb, and a bracket having first and second legs at right angles to each other, the first leg of the bracket received in the bracket receiving slot and the second leg of the bracket fastened to the building panel structure, wherein the bracket receiving slot is defined between one of the outwardly facing planar surfaces of the jamb and a substantially flat plate.

Abstract: A structural member for a reinforced stud wall including a tie rod connected to a foundation of the wall. The structural member comprises a longitudinal hollow member having top and bottom walls; and first and second web flanges connecting the top and bottom walls, the web flanges extending along a longitudinal axis of the hollow member. An opening through the top and bottom walls to allow the tie rod to extend therethrough, the opening being disposed between the web flanges.

Abstract: A shear brace assembly is provided which laterally braces wall lines within a structure, such as a house or other residential construction, while also providing vertical and out-of-plane load carrying capacity. The assembly consists of one or more wood-based panel(s) which are rigidly connected to concrete, masonry or wood support material directly below or above the shear brace assembly bearing surface. The term “wood-based” should be interpreted to mean that the panel may be constructed from a natural wood, or partially or wholly from an engineered wood, such as Timberstrand®, Parallam®, or the like. Ductile anchorage assemblies are used below, and in some applications, above the individual panels.

Abstract: A siding trim clip having a substantially N-shaped profile is formed having a first gripping portion and a second biasing portion. The gripping portion includes a curved upper arch having an interior with opposing inwardly and upwardly oriented gripping fingers, arranged for accepting and securing an edge location of a siding member by way of a triangular gripping pattern. The biasing portion includes a lower inverted arch and linear portions for providing an outward biasing of the edge location of a siding member to hold it away from a wall structure and up against an outside edge of a pre-established finishing cavity. This abstract is provided to comply with rules requiring an abstract, and is submitted with the intention that it will not be used to interpret or limit the scope and meaning of the claims.

Abstract: A masonry block wall bracing wall anchor having a threaded portion connected to an intermediate portion of the wall anchor with the intermediate portion having a vertical cross-section generally sized to fit between and substantially bridge the vertical thickness of a bed joint between two successive courses of masonry blocks and the threaded portion available for connecting by means of a washer and a nut to a side support that braces a masonry block wall during construction. The preferred embodiment has an upper transverse fracture groove and a lower transverse fracture groove through which after completion of the wall selectively can propagate a fracture line when the masonry block wall is completed. The fracture grooves can facilitate selective fracturing of the wall bracing wall anchor thereby allowing removal of a protruding threaded portion of the anchor that extends beyond the outer face of the masonry wall.

Abstract: A connector for connecting wall studs of two adjacent floors in a light frame building structure, the connector having a first attachment tab, a seat member, a diagonally slanted support leg, and a second attachment tab, all substantially planar. The connector is intended to be paired and the paired connectors joined by an elongated tie member that pierces the sill plates of the intervening floor structure.

Abstract: The present disclosure relates to a box-shaped structure of inter-related structural components. The structural components are combined to create a single three dimensional component the shape of a rectangular prism. The structure is formed by creating a pair of exterior walls from horizontal members and a series of laterally spaced vertical members that are coupled to the horizontal members by truss plates. The structure also includes a series of laterally spaced rectangular ribs that are coupled to the exterior walls by additional truss plates. The ribs and the walls are further coupled by use of wood sheeting along the top of the structure to form the resultant assembly. The entire assembly is connected together with a series of bolt and steel angle connectors, allowing the entire module to act monolithically.

Abstract: A frame member fastening device and method of manufacture provides a single configuration fastening device which can be used singly in connection with a frame member, or which can be combined with another identical fastening device to form a fastening device assembly for use with frame members of different internal widths, by interlocking two identical fastening devices in an opposed, base-to-base assembly configuration. The fastening device is manufactured in a progressive metal forming process with successive stages in which the features of the device are formed.

Abstract: A vertical reinforcing bracket for an insulated concrete form wall includes: a formed rigid material of sufficient strength that is shaped to add stiffness and assist in accurate placement of vertical reinforcement within the formwork. Openings are formed in the embedded tongue portion of the bracket to aid in the accurate positioning of vertical reinforcement within the insulated concrete formwork wall to reduce thermal bridging and to accommodate other building attachments or strengthening features of the bracket. Although the preferred embodiment of the patent uses steel, alternative materials with satisfactory structural properties may be substituted. The reinforcing bracket is intended mainly for use in correctly locating vertical reinforcement near ends of walls and along the sides of openings in walls constructed in insulated concrete forms. In addition, reinforcing brackets anchored in the hardened concrete by the reinforcing bars may be utilized to attach and support other building elements.

Abstract: A cutter clip and methods for installing a gutter cover onto a gutter system are disclosed. The gutter clip includes a mouth portion sized to provide an interference fit between the gutter cover and the mouth portion of the clip which stationarily secures the gutter cover to the gutter clip. The gutter clip is further provided with a mounting portion that fastens to the lip of a gutter. Once assembled, the gutter clip of the present invention provides minimum horizontal and vertical tolerances between the gutter and the gutter cover, such that water may flow freely into the gutter channel, but does not permit debris to be lodged therein.

Abstract: A universal metal stud clip is a support mechanism for securing one or more electrical boxes or other construction components to metal construction elements such as metal studs. The opposed spring arm design permits the clip to be oriented in any useful way and frictionally secured to metal studs of varying dimensions. Metal stud clips include one or more pair of resilient arms to frictionally engage metal studs. Using two or more pair of resilient arms provides a very stable attachment to the metal stud.

Abstract: An improved building structure and method for making steel frame buildings includes a beam-to-column or beams-to-column joint or connection which is most preferably shop fabricated (as opposed to on-site fabrication) and which offers a considerable savings in both steel requirements (i.e., material savings) and labor to make the joint connection. Also, because material utilization is improved in the connection, the new structure is more resistant to damage by seismic events (i.e., earthquake), by severe weather, and to damage from blast effects (i.e., terrorist attack or accident), than was the prior technology. The improved building structure also mitigates against progressive collapse of the building.

Abstract: Perforations of a board for building material are formed by a number of recesses (13), or a number of recesses (13) and through-holes (12). A bottom face (16) of the recess forms a face for screwing or driving the fixing element (70) thereto. A color of the bottom face is set to have a brightness of color decreased in comparison with a color of a surface (18) of the board. A substrate of the board is a gypsum board and the bottom face of the recess is formed by a liner paper for gypsum board. According to such a board, a region for screwing or driving the fixing element thereto can be ensured without impairing regularity, uniformity or architectural design of the perforations, and putty finishing or the like for an exposed part of the fixing element can be omitted.

Abstract: A hanger for supporting a held member from a holding member is provided with a seat member adapted for supporting the held member, first and second side members connected to the seat member, the first and second side members having lower portions and upper portions, the lower portions of the first and second side members each having inner an face and an outer face with the inner faces facing each other, and the upper portions of the first and second side members being connected to first and second back flanges respectively, the upper portions of the first and second side members each having an inner face and an outer face, and the first and second back flanges being adapted to be connected to the holding member by a plurality of fasteners, wherein the inner faces of the lower portions of the first and second side members and the inner faces of the upper portions of the first and second side members form reflex angles with each other.

Abstract: A suspended ceiling construction includes fill-in panels, diffusers and/or light fixtures which are retained in their openings by spring clips that have been pre-attached to the ceiling grid frame members. The clips bear against edges of the panels to keep them in place normally, but they can be deflected out of the way by pushing up on the panels when necessary. As the tips of the clips contact the frame members during deflection, they provide increasing resistance to further deflection.