Abstract: Wall and floor connection arrangements. In various embodiments, a first a joist rim is coupled to the flanges of at least some vertically extending studs such that an upper rim flange of the first joist rim is substantially coplanar with a portion of an upper track of the wall. A second joist rim is coupled to another lateral flange of at least some of the vertically extending studs such that an upper rim flange of the second joist rim is substantially coplanar with a portion of the upper track and the upper rim flange of the first joist rim. A plurality of first joists may be coupled to the first rim and plurality of second joists may be coupled to the second rim. A floor deck may be received on the upper track as well as the upper flanges of the first and second joist rims.

Abstract: Various floor and wall constructions are disclosed. One embodiment includes a second vertical wall supported over a first vertical wall. One or more joist rims may be attached to the first vertical wall and pluralities of joists may be attached to the joist rims. Decking material may be supported on the plurality of joists. The second vertical wall may be fabricated from spaced second studs that extend between a top track and a bottom track. The bottom track comprises a web and two upstanding legs. The ends of the second studs serve to define open areas within the bottom track between the respective stud ends. A cementitious material may be applied onto the decking material and into the open areas within the bottom track to form the floor surfaces and barriers within the open areas.

Abstract: A flexible control joint for use in plastering and stucco applications. Various embodiments of the flexible control joint may be used to form screed walls for different thicknesses of plaster materials applied to adjoining walls or other structures. The walls or other structures may be of similar or dissimilar constructions. Various embodiments of the control joint may be used to form corner arrangements or T-arrangements to achieve desired design effects.

Abstract: A stud that may be used as a header, as a sill, as a jamb stud, in a support post assembly and as a floor girder. In one embodiment, the stud has a substantially planar web, a first flange and a second flange that each protrude from the web. A first leg protrudes from the first flange such that the first leg is substantially parallel to the substantially planar header web. Likewise, a second leg protrudes from the second flange such that it is substantially parallel to the substantially planar header web. A first return protrudes from the first leg and a second return protrudes from the second leg. Stiffener ribs may be provided in at least one of the web, the first and second flanges and/or the first and second legs.

Abstract: Various building components and building construction techniques are disclosed. One embodiment comprises a joist end bearing condition wherein a joist rim is supported on a support structure adjacent to a bearing wall and attached thereto. Joists are attached to the joist rim and noncombustible board may be supported on the joists to form a floor surface. Other embodiments include metal joist rims that also function as headers for walls and headers for window and door openings in walls. Various methods of constructing walls from prefabricated panels formed from cold-formed steel components are also disclosed.

Abstract: Wall and floor connection arrangements. In various embodiments, a first a joist rim is coupled to the flanges of at least some vertically extending studs such that an upper rim flange of the first joist rim is substantially coplanar with a portion of an upper track of the wall. A second joist rim is coupled to another lateral flange of at least some of the vertically extending studs such that an upper rim flange of the second joist rim is substantially coplanar with a portion of the upper track and the upper rim flange of the first joist rim. A plurality of first joists may be coupled to the first rim and plurality of second joists may be coupled to the second rim. A floor deck may be received on the upper track as well as the upper flanges of the first and second joist rims.

Abstract: An apparatus for supporting a plurality of joists. In one embodiment, the apparatus may include a joist rim having a web and first and second rim legs extending substantially perpendicularly from the web. The apparatus may also include at least one opening through the web and a joist attachment tab integrally formed in the web adjacent each opening. Each of the joist attachment tabs may extend from the web at an angle relative to the web. The apparatus may include at least one reinforcing rib corresponding to each tab and provided in the web adjacent to the corresponding tab.

Abstract: Brackets for interconnecting building components. One bracket embodiment is constructed to connect a pair of substantially perpendicular building components so as to allow relative vertical movement between those components and may include a first connector plate and a second connector plate. The first and second connector plates may be integrally connected at a right angle so as to form a right angled juncture. A plurality of stiffener channels may be disposed in the right angle juncture. The bracket may further include a plurality of substantially linear stiffener channels formed in the first connector plate. One or more elongated slots may be provided in the second connector plate. In another embodiment, one or more rows of holes are provided in the connector plate. The elongated slots or rows of holes may be located in one or more recessed stiffener regions. A score line and/or dimples may be provided in the first connector plate for locating fasteners.

Abstract: A support structure such as, for example, a door jamb and a window jamb. In one embodiment, the jamb is formed from a first stud that has a web and two first flanges and a second stud with a second web and second flanges. The first stud has at least one first hole through the first web and the second stud has at least one second hole through the second web. The first and second studs are oriented such that at least one first hole is aligned with at least one second hole and a stud engager is inserted through the aligned holes to retain the studs in abutting contact to form the jamb.

Abstract: A stud bridging/spacing member generally having at least three longitudinally spaced apart notches for receiving and engaging therein a web of a metal stud. At least one of the notches has opposing notch sides which are oriented such that when a portion of a web is received therein, one of the notch sides contacts the web at a first portion of the web and the other notch side contacts the web at a second portion of the web such that the first portion of the web and the second portion of the web are not located on a common longitudinal axis.

Abstract: A composite building panel including a central body, substantially parallelepipedic in shape, comprised of an expanded polymer matrix, having opposite faces, a first surface and an opposing second surface; and one or more reinforcing members longitudinally extending across the central body between said opposite faces, having a first side portion embedded in the expanded polymer matrix, and a second side portion extending away from the first surface of the central body and one or more expansion holes located in the reinforcing member between the first side portion of the reinforcing member and the first surface of the central body. The central body includes a polymer matrix that expands through the expansion holes; and a space defined by the first surface of the central body and the second side portion of the reinforcing members is adapted for accommodating utilities through the space.

Abstract: A retainer and methods for retaining a spacer bar within an opening in a web of a metal stud. In one embodiment, the retainer includes a cover plate that has a plurality of resilient snap members for retaining engagement with the web of the metal stud when the cover plate is pressed into the web opening. The cover plate may have a notch that is configured to nestingly receive a portion of the spacer bar therein. Other embodiments may include retainer tabs for retaining and/or applying a biasing force to the spacer bar.

Abstract: A metal stud wall and method of assembling the same are characterized by a stud bridging/spacing member generally having at least three longitudinally spaced apart notches for receiving and engaging therein a web of a metal stud. The notches extend at an incline to the longitudinal axis of the elongate member. In the assembly of a metal stud wall having a row of metal studs each having at least two flanges interconnected by a web, the stud bridging/spacing member is inserted through aligned openings in the webs of three or more studs and the webs are engaged in the notches to position and hold the metal studs at a prescribed spacing. Successive bridging/spacing members may be inserted through further studs and overlapped with the preceding bridging/spacing member, and engaging a common stud, to position and hold the studs at the prescribed spacing.

Abstract: A joist support system and apparatus. The system may include a joist rim that has at least one attachment tab integrally formed therein to facilitate attachment of a joist to the joist rim. Reinforcing ribs are preferably provided adjacent the attachment tabs for providing desired structural integrity to the attachment tab connection. The system may also include a C-shaped joist that has a plurality of oval-shaped openings therein to enable components such as ducts, wires, piping, etc. to pass therethrough. The joists may also be provided with a plurality of mounting holes that are adapted to accommodate wire retainer members for supporting insulation between respective joists. The system may also include pre-formed blocking members that are sized to extend between adjacent joists and be attached thereto to provide lateral support to the joists.

Abstract: A stud bridging/spacing member (30) generally having at least three longitudinally spaced apart notches (26) for receiving and engaging therein a web of a metal stud. The notches (26) extend at an incline to the longitudinal axis of the elongated member.

Abstract: Wall constructions and methods for constructing walls. In one embodiment, the wall is constructed from studs that each having a web that has at least one opening therein. The studs are oriented such that the openings in their webs are aligned to permit at least one spacer member to extend therethrough. The spacer members are formed with structure for engaging portions of the webs through which they extend. Retainers are provided on the webs of the studs for retaining the spacer members in position. In another embodiment at least two studs that have webs with openings therethrough are oriented such that the openings are aligned with each other. At least one spacer member is inserted through the aligned openings to engage a portion of each web through which they extend. The spacers are then brought into engagement with retainers on the webs of the studs.

Abstract: Apparatus and methods for reinforcing an opening in a support member such as a joist.

Abstract: An apparatus for supporting a plurality of joists. In one embodiment, the apparatus may include a joist rim having a web and first and second rim legs extending substantially perpendicularly from the web. The apparatus may also include a plurality of joist attachment tabs integrally formed in the web. Each of the joist attachment tabs may extend from the web at an angle relative to the web and form a corresponding opening in the web. The apparatus may include at least two reinforcing ribs between at least two adjacent openings. In another embodiment the apparatus may include joist locator tabs not attached to the joists.

Abstract: A rollforming machine includes an apparatus for adjusting a forming roll for forming components from materials of different thicknesses. The rollforming machine further includes an apparatus structured and arranged for overbending the component being rollformed.