Masonry Magazine April 1975 Page. 17
4
4-IN. SOLID BRICK WALL
No members framed in
Units at least 75 percent solid laid in mortar containing Sarabond high bond additive, and backed with a hat shaped metal furring channel 4 in. thick formed from 0.021-in. sheet metal attached to the brick wall on 24-in. centers using four whistle plugs and diamond pointed 6d common nails, and ½-in. type X gypsum wallboard attached to the metal furring strips with 11½-in. long type S-12 screws spaced 8 in. o.c.
Reference 10
4
4-IN. SOLID BRICK WALL
Non-combustible or no members framed in
Units at least 75 percent solid. Plaster 2 sides.
References 1 and 7
6
6-IN. "SCR brick"" WALL
Non-combustible or no members framed in
Units at least 75 percent solid. No plaster required.
8
8-IN. SOLID BRICK WALL
Combustible members framed in
Units at least 75 percent solid. No plaster required.
Reference 13
"Reg. U.S. Pat. Of SCPI (BIA)
References 1 and 7
8
8-IN. HOLLOW BRICK WALL
Combustible members framed in
Units at least 71 percent solid. No plaster required. Combustible members not fully embedded. Plaster 2 sides (-in.)
10
10-IN. BRICK CAVITY WALL
Combustible members framed in
Units at least 75 percent solid. No plaster required. Walls filled solidly at combustible members.
References 1 and 6
References 1, 7 and 9
FIG. 5 Two-Hour Fire Ratings
Constructions shown are loadbearing.