EFCO S5500 Inside Glazed User Manual
Page 33

EFCO CORPORATION 6/2012
PART NO. Y552
Series 5500 Inside Glazed Installation Instructions
INTERMEDIATE SHOWN, HEAD SIMILAR
Section VI: Interior Drive-In Gasket & Glazing Bead
Installation
STEP #3 SEAL GLAZING BEAD AND APPLY HORIZONTAL DRIVE-IN GASKETS
Tool the sealant smooth and watertight on each end of the glazing beads.
Apply sealant to the vertical gaskets where they will contact the horizontal gaskets on
each end, behind the glazing bead or glazing pocket, as shown below.
Cut the horizontal gaskets D.L.O. plus 1/2”, and insert the gasket in place at the glaz-
ing bead and the topside of the inside glazed horizontals. Start at the center of the
D.L.O. and crowd in the excess at the ends.
Seal all gasket corners, and butt the joints as indicated below. Remove any excess
sealant that remains.
Seal all gasket corners by
pulling the horizontal gasket
back, sealing the ends, and
pressing the gasket back
into the vertical gasket.
Tool sealant
watertight.
Apply sealant to
vertical gaskets.
Apply gaskets on the top
and bottom of horizontals.
INTERIOR VIEW