Fire blocking reveal
AssigneeCalifornia Expanded Metal Products Company
InventorDon A. Pilz
Life of this patent
Estimating the term…
Abstract
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.
Claims16
A fire-rated wall joint reveal product configured to cover a gap between a wallboard and an adjacent structure, the reveal is positioned between the stud wall and a stud wall facing surface of the wallboard, the reveal comprising:
- an elongate strap piece comprising a first free end and a second free end, a first bend and a second bend positioned between the first free end and the second free end, the first and second bends disposed at opposite ones of an upper edge and a lower edge of the strap piece, the first bend defining the upper edge of the strap piece in use, the first bend and the second bend defining a first vertical leg portion and a second vertical leg portion forming a gap therebetween, the first and second vertical leg portions being formed from a single piece of material, wherein, in cross-section, at least a portion of the first vertical leg portion horizontally overlaps a portion of the second vertical leg portion such that the first and second vertical leg portions extend between the stud wall and the stud wall facing surface of the wallboard, and the first and second vertical leg portions cover the gap between the wallboard and the adjacent structure;
- and
- a heat-expandable intumescent strip attached to the strap piece and extending lengthwise along a surface of the strap piece configured to face the stud wall in use, the intumescent strip adjacent the second bend.
A fire-rated wall joint reveal product configured to cover a gap between a wallboard and an adjacent structure, wherein the reveal is positioned between the stud wall and a stud wall facing surface of the wallboard, the reveal comprising:
- an elongate strap piece comprising a first free end and a second free end, a first bend positioned between the first free end and the second free end, the first bend positioned between a first vertical leg portion and a second vertical leg portion, a second bend positioned between the first bend and the second free end, the first and second bends disposed at opposite ones of an upper edge and a lower edge of the strap piece, the second bend defining a third vertical leg portion, the first, second and third vertical leg portions being formed from a single piece of material, wherein, in cross-section, a portion of each of the first, second and third vertical leg portions horizontally overlap such that, in use, the first, second and third vertical leg portions extend between the stud wall and the stud wall facing surface of the wallboard, and the first and second vertical leg portions cover the gap between the wallboard and the adjacent structure.
Dependencies are inferred from the claim text.