A joint-sealing element for sealing building-structure joints is described, especially for sealing against sound and/or smoke and if necessary against fire. In particular, a joint-sealing element for sealing on a building construction and/or on a building structure is described, especially for sealing a joint between a first building part and a second building part, with a carrier element and a sealing profile disposed on this carrier element, wherein the disposed sealing profile has a predetermined geometry.

Furthermore, a sealing arrangement as well as a method for sealing building-structure joints is described, especially for sealing against sound and/or smoke and if necessary against fire, with such a joint-sealing element.

A head of wall assembly includes a compressible component positioned within a deflection gap between an upper edge of the wallboard and a ceiling or other horizontal structural element. The compressible component includes an intumescent strip in contact with the ceiling or the upper edge of the wallboard. The compressible component held in place by a double-sided tape attached with the header track, the ceiling, or the upper edge of the wallboard. The double-sided tape can partially cover one side of the compressible component.

A shaft wall assembly system including triangular shaped steel studs with one or more layers of wall board secured to one side of the triangular shaped steel studs. The triangular steel studs preferably rest in a notched floor runner and a notched ceiling runner. The one or more layers of wall board are then directly attached to a flat side of the triangular stud with properly sized steel screws. This system will be useful as a shaft wall system or in locations where attachment of wall board to both sides of a wall system is not feasible.

A fire-shielding U-shaped outer frame element adapted for supporting a side of at least one wall element in a wall construction, said outer frame element being elongate and comprising a bottom part and a first side flange and a second side flange extending at an angle to the bottom part, interior surfaces of the side flanges being adapted for extending along exterior surfaces of the wall element. The outer frame element (1) comprises a plurality of perforations (15) and a first elongate strip (16) of a material having thermal shielding properties and being arranged on a surface of the first and/or second side flange (13, 14) of the outer frame element (1) so as to shield the wall element from heat from a fire. A set of parts include an outer frame element and a fastenings means for use between wall elements when making a wall construction.

A sheet metal framing member having a J-shaped retention flange is disclosed herein. The innovative sheet metal framing member is made from a continuous piece of sheet metal and is especially configured for use in a wall assembly. The sheet metal framing member comprises a U-shaped track section (for receiving a plurality of studs) connected to a J-shaped retention flange (for retaining a piece of drywall). The U-shaped track section includes a first web connected to confronting first and second flanges, and the J-shaped retention flange includes a second web connected to the second flange and a third flange. The second flange confronts and is between the third flange and the first flange, and the height of the second flange is greater than the height of the first flange, while the first web is parallel to the second web.

A fire-rated angle piece and wall assemblies or other assemblies that incorporate the fire-rated angle piece, in which the angle piece can include an intumescent or other fire-resistant material strip. The angle can be attached adjacent to a corner of a framing member, such as metal tracks, headers, header tracks, sill plates, bottom tracks, metal studs, wood studs or wall partitions, and placed between the framing member and a wall board member at a perimeter of a wall assembly to create a fire block arrangement. A fire spray material can be applied over a portion of the angle piece.

A fire-rated reveal piece and wall assemblies or other assemblies that incorporate the fire-rated reveal piece, in which the reveal piece can include an intumescent or other fire-resistant material strip. The reveal can be attached adjacent to a corner, flange or leg of a framing member, such as metal tracks, headers, header tracks, sill plates, bottom tracks, metal studs, wood studs or wall partitions, and placed between the framing member and a wall board member at a perimeter of a wall assembly to create a fire block arrangement. A fire spray material can be applied over a portion of the reveal piece.

Fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, including but not limited to intumescent material. The fire-retardant material can be attached to compressible backer rods inserted within deflection gaps in the wall systems such that the fire-retardant material expands and seals gaps and/or areas between the tracks and wall components such as ceilings, floors, and drywall. Various assemblies and methods can be used to cover the deflection gap.

A fire-resistant partition wall includes wall studs and first and second walls each including gypsum boards with vertical and lateral joints. The wall studs are on the back side of the vertical joints. A joint base member is provided at the lateral joints. The gypsum boards, the joint base member, and the wall studs are not screwed with a common screw, and (a) the gypsum boards are screwed to only the wall studs and are not screwed to the joint base member, and the joint base member is fixed to the lateral joint position by being inserted between the gypsum boards and the wall studs, or (b) the gypsum boards are screwed to the wall studs and to the joint base member with different screws, and the joint base member is fixed to the lateral joint position by being inserted between the gypsum boards and the wall studs.

Aspects of the present disclosure relate to modular wall systems and methods of installing modular wall systems in hygienic environments. In one aspect, gap cover apparatus are disclosed. In one aspect, backplate arrangements are disclosed. In one aspect, non-progressive installation methods are disclosed. The modular wall systems can eliminate protruding ledges while maintaining structural integrity and hygienic properties.