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Division 07 – Thermal and Moisture Protection
OPL Design No. CEJ 260P
07 84 00 Fire stopping
07 84 53 Building Perimeter Fire stopping
Page 3 of 4
Date Revised: June 20, 2014
©Intertek
Project No: 100141291SAT-007
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 with no
gaps or voids between them. Allow
a min. of 12 hours before continuing
the application process when using
adhesive. The EPS boards must be
rasped
to
remove
all
irregular
seams and establish a continuous
flat surface.
H. Exterior Curtain Wall Finish: The
plaster base coat and reinforcing
mesh is applied over the Exterior
Curtain Wall Insulation (2G). Precut
the mesh as needed. The mesh is a
woven
fiberglass
reinforcement
fabric that is compatible with the
plaster base coat and finish coat
materials. Apply 1/16 to 1/8 in.  thick
plaster base coat to the exposed
surface of the EPS foam. Apply the
mesh; embed the mesh into the
plaster base coat using a trowel.
Start at the middle and work
outwards towards edges. The final
thickness of the plaster base coat
with the mesh embedded should be
approximately 1/16 in. . Let the base
coat dry completely before applying
the plaster finish coat. The plaster
finish coat is a gypsum based wall
coating which may contain silica
sand or marble aggregates. Apply
the plaster finish coat using a trowel
in the same manner as the plaster
base coat.
I.  Glass Vision Panels: Glass vision
panels shall be a min. 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 nom. width of 59 in. and
height of 71 in.
J.  Window Gaskets: Secure glass
vision panels with a thermal break
(thermo set rubber extrusion).
K. 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.
3.  PERIMETER
JOINT
PROTECTION:
The perimeter joint (linear opening) shall
not exceed an 8 in. nom. joint width
(joint width at installation) and the
perimeter
joint
treatment
shall
incorporate the following construction
features:
A.  Packing Material: Use a min. 4 in.
thick, 4 pcf density, mineral wool**
batt insulation installed with the
fibers running parallel to the slab
edge and curtain wall. The packing
material shall be compressed 33%
in the nominal joint width. Compress
the batt insulation into the perimeter
joint such that the top surface of the
batt insulation is flush with the top
surface of the concrete floor slab.
Splices (butt joints) in the lengths of
mineral wool batt insulation are to
be tightly compressed together, min.
compression 0.25 in. per piece.
Notch packing material to receive
support angle (3C) so that packing
material
is
in
contact
with
Sandwiched Wall Surface (2C).
Reference the Introduction to Fire
Resistive Joint Systems Section of
this Directory for more details on
how to determine the cut width of
the insulation to be installed in the
nominal joint width, and how to
determine
the
compressed
percentage of a known insulation