EFCO S5900 Outside Glazed - Manual (Page 15)

EFCO CORPORATION 6/2012 PART NO. Y350 Page 15 of 16
Series 5900 Outside Glazed Curtain Wall Installation Instructions
7/16"
Section X: Exterior Cover Installation
Snap On Exterior Covers
A.) Set vertical covers as shown on “APPROVED” shop drawings.
B.) Center the horizontal snap cover in the opening, align and
engage one side, then use a block and mallet to engage
the opposite side.
C.) Gaps at the ends should be equalized,
and are provided to allow installation,
thermal movement, and weepage.
D.) Exterior horizontal covers are cut
D.L.O. – 1/16”.
E.) The erector is to split the
difference on both ends.
A 1/16” X 5/16” roll pin at the center of the
cut length is recommended to prevent
slippage. The roll pin can be located at the
horizontal to eliminate exposure.
Vertical cover
Horizontal
cover
Equal space at both ends
of horizontal cover.
Mallet or hammer
Approx. 12” long
wood block
Drill 5/16”
diameter weep
holes in the
horizontal covers
2” from each end.
Note: Care must be taken
to avoid damage to
the covers during
installation. Use a
nominal 12” long 2
X 4 and mallet or
hammer to seat the
cover.
Note: Horizontal covers 1” or
more in depth must be
mechanically attached,
similar to detail below.