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Division 07 – Thermal and Moisture Protection
OPL Design No. CEJ 245P
07 84 00 Fire stopping
07 84 53 Building Perimeter Fire stopping
Page 2 of 3
Date Revised: June 20, 2014
©Intertek
Project No: 100216789SAT-004i
recesses) formed in the concrete, to
house the architectural cover plate. The
blockout width may also vary without
restriction.
2.
CURTAIN
WALL
ASSEMBLY:
The
concrete 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.
If
required, mounting attachments to
the floor slab shall be connected to
the joint face of the floor slab. Max.
distance
between
mounting
attachments shall be 10ft..
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.
Attachment shall be according to the
curtain wall system manufacturer’s
guidelines. Vertical framing not to
exceed a spacing of 56 in. on center
and shall be completely covered by
the concrete panels. If required,
horizontal framing members shall be
installed according to the curtain wall
system manufacturer’s guidelines.
C.  Concrete
Panels:
Any
non-
combustible exterior concrete based
panel. Panels shall not be less than
1-1/2 in. thick, 12 in. high or 12 in.
long. Attachment to the framing shall
be according to the curtain wall
system manufacturer’s guidelines.
D.  Glass Vision Panels: Glass vision
panels shall be at least 35-1/2 in.
above the top surface of the floor
assembly.  Glass vision panels shall
be installed to curtain wall framing
according to the curtain wall system
manufacturer’s guidelines. Use a
min. 1/4 in. thick, clear tempered
glass with a max. width of 59 in. and
height of 71 in.
E.  Window Gaskets: Secure glass
vision panels with a thermal break
(thermal-set rubber extrusion).
F.  Window
Framing:
Steel
framing
members shall be a min. 3-5/8 in. by
1-5/8 in. 18 GA steel “U” channel or
similar
construction
that
is
compatible with steel-stud framing
(2b). Locate window framing at least
35 in. above the top surface of the
floor assembly.
G.  Impaling
Pins:
(Not
Shown
-
Optional)
When
required
by
insulation manufacturer, use with
insulation. The pins shall be located,
sized and installed according to the
curtain wall system manufacturer’s
guidelines.
H.  Curtain Wall Insulation: (Not Shown
-
Optional)
When
curtain
wall
insulation is used, the perimeter joint
treatment must be installed before
the insulation.  Insulation may be
butted
to
top
and
bottom
of
perimeter joint treatment but not
deform the perimeter joint treatment.
Either mineral wool** or fiberglass
batt insulation** may be used. (**
Listed with Intertek)
I.  Concrete Panel Joint: Vertical and
horizontal
concrete
panel
joints
created between panels can be
either flush type (butt joint) or key
way type (tongue and groove).
Concrete panel edges must be in
contact with each other. If required,
the surface of the panel joints can be
sealed with gaskets or sealants.
J.  Framing Covers: (Not Shown -
Optional) Framing covers used over
the mullions and transoms are
optional. When used, the framing
covers shall be located, sized and
installed according to the curtain wall
system manufacturer’s guidelines.
Framing covers do not pass through
the perimeter joint treatment.  They
are butted to the top and bottom