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Division 07 – Thermal and Moisture Protection
OPL Design No. CEJ 265 P
07 84 00 Fire stopping
07 84 53 Building Perimeter Fire stopping
Page 2 of 4
Date Revised: June 20, 2014
©Intertek
Project No: 100141291SAT-007
may vary to accommodate various
blockout depths (longitudinal recesses)
formed in the concrete, to house the
architectural cover plate. The blockout
width may also vary without restriction.
2.  CURTAIN
WALL
ASSEMBLY:
The
curtain wall assembly shall incorporate
the following construction features:
A. Mounting Attachment: (Not shown)
Attachment of the curtain wall
framing to the structural framing
shall be according to the curtain wall
manufacturer's instructions.  When
required, the mounting attachments
to the floor slab shall be connected
to the adjacent face of the floor slab,
according
to
the
curtain
wall
manufacturer's instructions.  Max.
distance
between
mounting
attachments shall be 10 ft.
B.  Steel-Stud Framing: Vertical framing
members shall be a min. 3-5/8 in. by
1-5/8 in., 18 GA steel "C" studs
secured in an 18 GA steel track top
and bottom using #6 x 1.25 in.
Bugle head SD PT screws. Vertical
framing shall not exceed a spacing
of 24 in. on center (oc)
C. Sandwiched Wall Surface: Use a
min. 1/2 in. thick, 48 in. wide by 96
in. long, exterior grade gypsum
wallboard (ASTM C 79), cement
board,
or
fiberglass
sheathed
gypsum wallboard placed over and
secured to framing with min. 1-1/4
in. long Type S drywall screws 8 in.
oc.
D. Curtain Wall Insulation: (Optional –
Not Shown) A faced or un-faced
mineral wool or fiberglass** batt
insulation installed in each stud
cavity
in
accordance
with
manufacturer's
instructions.
(**
Listed with Intertek)
E. Barrier Insulation: Use a nom. 24 in.
wide by 4 in. thick min. 4 pcf faced
or un-faced mineral wool** batt
insulation cut to size as required.
Install barrier insulation in each stud
cavity so that min. 32 in.  of barrier
insulation is above the top surface of
the slab and a min. of 24 in.  is
below the bottom surface of the slab.
Barrier insulation length is min. 24
in.  and fitted tightly between vertical
framing members filling all studs.
Seal
all
butt
joints
of
barrier
insulation with min. 4 in.  wide
aluminum
foil
faced
tape.
The
curtain
wall
insulation
shall
completely fill the recess of the min.
3-5/8 in. by 1-5/8 in., 18 GA steel "C"
studs. (** Listed with Intertek)
F. Interior Curtain Wall Surface: Apply
after
Perimeter
Void
Space
Protection (3) is installed. Use a min.
1/2 in. thick, 48 in. wide by 96 in.
long, Type X gypsum wallboard
(ASTM C 36), placed over and
secured to framing with #6 by 1-1/4
in.  long Type S drywall screws 8 in.
oc on the periphery and 12 in. oc in
the field. Screw heads are covered
with joint compound. Joints created
between
gypsum
wallboard
are
taped
and
floated
with
joint
compound. Gypsum wallboard only
required to be continuously placed a
min. 32 in. above surface of the slab.
Gypsum wallboard below the slab is
optional.
G. Exterior Curtain Wall Insulation:
(Optional -Not Shown) An expanded
polystyrene foam (EPS) insulation.
The EPS foam boards measure 24
in.  wide by 48  in.  long by 4  in.
thick with a nominal density of 1 pcf.
The EPS foam is attached to the
sandwiched
wall
surface
using
mechanical fasteners or an adhesive
in accordance with manufacturer's
recommendations. Install the EPS
boards in a running bond (brick-like)
pattern
and
staggered
over
sandwiched wall surface (2C) joints.
Apply pressure to the EPS boards to
assist in the bonding process. All
EPS boards must be butted together