Reference:
UL Design U465
Exterior Wall Fire-Rated System
1-Hour
Fire-Resistance Rating
Cavity thickness..........3-5/8" (92
mm)
Wall thickness.............4-7/8" (124 mm)
Weight............................6 psf (29 kg/m2)
Interior
Install insulation between studs. Apply one
layer of 5/8" (15.9 mm) ProRoc® Type
X gypsum board vertically to interior side with 1" (25
mm) Type S steel screws spaced 8" (200 mm) o.c. along
edges, and 12" (300 mm) o.c. in the field. Joints must
be offset from joints on the opposite side. Tape and finish
joints.
Exterior
Apply one layer of
5/8" (15.9
mm) ProRoc® Type
X gypsum board vertically to exterior side with
1" (25 mm) screws spaced 8" (200 mm) o.c. along
edges, and 12" (300 mm) o.c. in the field. Joints must
be offset from joints on the opposite side.
Additional UL Design
Listings for Steel Stud Systems:
U017, U418, U420, U421, U422,
U434, U442, U450, U460, U465, U466, U467, U472, U473, U475,
U487, U494, U501, U502, U504, U505, U506, U510, U512, U603,
U615, U617, U622, U623, U626, U640, V417 and V419. |
