I am searching for a 1HR fire rated head of wall detail with a UL number.
The wall assembly is 6 metal stud framing with 5/8 type 'x' gypsum board each side of wall, 1HR fire rated wall assembly. The top of wall will be attached to the underside of existing non-rated 2x6 wood roof joists (24 O.C.), which run perpendicular to t...