A framing accessory includes a bead and a backing strip. The bead may comprise a first leg, a second leg, and a lip. The second leg may comprise a plurality of openings. The strip may be attached to the upper surface of the first leg. In some embodiments, the strip may comprise a single layer of material, while in other embodiments, the strip may comprise two or more layers of material. The strip may comprise material having fire resistant, intumescent, and/or sound insulating properties. The finishing accessory may be configured to be installed in a gap of a wall assembly to create a seal.

A frame strip installation structure is provided, which includes a frame strip, an installation seat, and a connector. The frame strip has a cavity with an opening at a side, the installation seat is configured to be adhesively installed on a wall. The connector is respectively connected to the installation seat and the frame strip. The opening of the cavity faces the wall, both the installation seat and the connector are accommodated in the cavity. The connector has an adjustable state and a locking state. When the connector is in the adjustable state, the frame strip moves relative to the installation seat so as to adjust an installation position relative to the wall. When the connector is in the locking state, the frame strip is fixed relative to the installation seat. When the frame strip is installed against the wall, there is no need to drill holes in the wall.

A framing accessory includes a bead and a backing strip. The bead may comprise a first leg, a second leg, and a lip. The second leg may comprise a plurality of openings. The strip may be attached to the upper surface of the first leg. In some embodiments, the strip may comprise a single layer of material, while in other embodiments, the strip may comprise two or more layers of material. The strip may comprise material having fire resistant, intumescent, and/or sound insulating properties. The finishing accessory may be configured to be installed in a gap of a wall assembly to create a seal.