EFCO S5600 Inside Glazed - Manual (Page 25)

EFCO CORPORATION 6/2012 PART NO. Y304 Page 25 of 29
Series 5600 Inside Glazed Installation Instructions
Section XI: Vertical Splice Joints
Step #1 Locate Splice Joints
A.) Splice joints should occur at the spandrel areas (if possible). Refer to Approved Final
Shop Drawings for actual locations.
B.) Depending on the specific job requirements, splice sleeves may be shop or field
assembled in the top of the lower mullion. If materials are field fabricated, use the
following assembly instructions. Where head clearance is sufficient to allow the top
mullion to be lifted over the splice sleeve, a retractable sleeve will be used. The
sleeve is to be taped into the bottom of the top mullion and dropped down to the
stop screw in the mullion below.
C.) The splice joint width should be based on the sealant movement capabilities and the
following formula:
D.) Refer to this section for cover splice, pressure plate splice relative locations, and
sealing instructions.
E.) Once a final check of expansion joint placement and mullion position is made, the
final match drilling of mullion through anchor holes may be completed.
Plan View – Mullion Splice
Splice sleeve
stop screw
Mu
lli
on
L
en
gth
Cover Le
ngth
4
”
2”
As
Req’d
1 1/2
”
1/
2
”
Pressure P
late
3” Min
.
Field install backer rod
at the pressure plate
joint to back-up sealant
Mullion splice sleeve
with bond breaker tape
Side View – Mullion Splice
1” Minimum
Pressure
plate screw
Mu
lli
on
L
en
gth
Pressure P
late Le
ngth
Cover Le
ngth
As
Req’d
2”
4”
.
2”
See page 27 for multiple isometric
views of splice assembly.
Linear expansion for aluminum in inches=
Length (inches) X Degrees (F) Temperature Range X .0000129