EFCO S5900 Outside Glazed - Manual (Page 12)

EFCO CORPORATION 6/2012 PART NO. Y350 Page 12 of 16
Series 5900 Outside Glazed Curtain Wall Installation Instructions
Section VII: Glazing Adaptors / Mullion Gaskets
Installation of Glazing Adaptors at Openings for ¼” & ½” Infills.
A.) Position the vertical adaptors
as shown.
B.) Place horizontal adaptors
between the verticals.
C.) Seal adaptors by applying
sealant to all four corners.
D.) Cut Formula Vertical =
D.L.O. + 1”
E.) Cut Formula Horizontal =
D.L.O. – 1/16”
Apply Preset Glazing Gaskets to Mullions.
A.) Apply sealant in the raceway a minimum 2” each way at all corners.
(Ref. elevation in step.)
B.) Remove the glazing gaskets from the reel and allow shrinking.
C.) Cut vertical gaskets D.L.O. plus 1 ¾”.
D.) Cut horizontal gaskets D.L.O. plus ½”.
E.) Seal all gasket corners; pull horizontal
gasket back, seal end and jamb into the
vertical gasket to insure a snug fit.
(See detail at right.)
Continuously seal the
gasket raceway with sealant
prior to installing the
adaptors.
* Vertical adaptors will need a minimum of 1/8”
clearance above the joint plug, free from sealant.
Note: Each daylight opening
should be sealed individually
with gaskets and glazing
installed immediately
following with pressure at
the corners.
Note: If the gaskets are difficult to install in the
glazing race, a light coat of mineral spirits
can be used to lubricate the gaskets.
Preset gaskets