EFCO 955 Series - Manual (Page 38)

the spacer, and the butt glaze mullion together.
A clean professional application of the structural silicone is required here.
Fill the cavity created by the spacer with structural silicone, tying the glass unit,
out, before proceeding with the application of the structural silicone.
Be sure the glass units are set correctly and the butt glaze spacer is bottomed
This structural silicone joint will require an overnight cure.
WSA1
to hold it in place. The space will bottom out against the locator on the mullion.
glass unit. This gap should be small enough to provide tension on the spacer
Install the butt glazing spacer (WSA1) between the butt glaze mullion and the
Any type of temporary glazing retainer will have to be field fabricated and
USING BUTT GLAZED MULLIONS
SECTION VII - GLASS INSTALLATION
Detail #52
WSA1
STEP #52
installed by the contractor.
NOTE:
Detail #51
STEP #51
8663
JDA 9/2000
GLASS
UNIT
STRUCTURAL
SILICONE
MULLION
GAP
1/2"
WSA1
K368 K368
8663
CONT.
PAGE #36