Reference:
UL Design U301
Exterior Wall Fire-Rated System
2-Hour
Fire-Resistance Rating
Cavity thickness.............3-1/2" (89
mm)
Wall thickness.....................6" (152 mm)
Weight..........................12 psf (59 kg/m2)
Interior
Apply a base layer of 5/8" (15.9 mm) ProRoc® Type
X gypsum board vertically or horizontally with 1-7/8" (48
mm) nails spaced 6" (150 mm) o.c. along edges
and in the field. Joints must be offset from joints
on the opposite side. Vertical joints must be located
over framing members. Apply a face layer of 5/8" (15.9
mm) ProRoc® Type
X gypsum board vertically or horizontally with 2-3/8" (60
mm) nails spaced 8" (200 mm) o.c. along edges
and in the field. Joints must be offset from joints
in the underlying layer. Tape and finish joints.
Exterior
Apply a base layer of 5/8" (15.9
mm) GlasRoc® Sheathing Type X vertically or horizontally
with 1-7/8" (48
mm) nails spaced 6" (150 mm) o.c. along edges
and in the field. Joints must be offset from joints
on the opposite side. Vertical joints must be located
over framing members.
Apply a face layer of 5/8" (15.9
mm) GlasRoc® Sheathing Type X vertically or horizontally
with 2-3/8" (60
mm) nails spaced 8" (200 mm) o.c. along edges
and in the field. Joints must be offset from joints
in the underlying layer. Tape and finish joints.
Additional UL Design
Listings for Wood Stud Systems:
U322, U323, U324, U325, U326, U329,
U330, U332, U337, U338, U339, U341, U342, U354, U355,
U357, U358, U360. |
