EFCO S5500 Outside Glazed User Manual
Page 25

EFCO CORPORATION 6/2012
PART NO. Y550
Series 5500 Outside Glazed Installation Instructions
STEP #4 INSTALL INTERIOR GASKETS IN MULLIONS
A. Remove the glazing gaskets from the reel, and allow them to relax and shrink.
B. Apply sealant into the raceways a minimum of 2” in each direction from the corners of the
D.L.O. (Refer to the illustration below.)
C. Once the gaskets have relaxed, cut them and install the gaskets into position. The interior
vertical gaskets must be cut vertical D.L.O. plus 1 3/4”. Place the gasket in place starting at
the center of the D.L.O. Crowd in the excess at the ends. The vertical gaskets should run
through and extend past the horizontal gaskets.
D. Cut the horizontal gaskets D.L.O. plus 1/2” and insert the gasket in place, starting at the
center of the D.L.O. Crowd in the excess at the ends.
E. Seal all gasket corners, and butt the joints as indicated in the illustration on page 26.
2"
2"
Seal the gasket race-
way and back side of
the gasket 2” in each
direction at all gasket
corners with sealant.
JOINT PLUGS
Note: Sealant should only
be applied immediately be-
fore applying gaskets and
setting glass.
Section IV: Glazing Preparation