EFCO S5500 SSG - Manual (Page 38)

EFCO CORPORATION 6/2012 PART NO. Y554
Series 5500 Silicone Structural Glazed Curtain Wall Installation Instructions
Section VI: Exterior Cover & Drive-In Gasket Installation
STEP #2 (Option B) APPLY HORIZONTAL PRESSURE COVERS
C. Apply a bed of sealant to the side of the vertical cover adjacent to where the ends of the
horizontal pressure covers will be after installation. The sealant bed should be approxi-
mately 2 1/4” high x 1/16” thick and the depth of the vertical cover. Center the sealant
bed on the intermediate horizontals, sills, and head horizontals. Immediately apply hori-
zontal pressure covers before the sealant has a chance to begin to cure or skin over.
Apply sealant on vertical
covers at horizontals.
INTERMEDIATE SHOWN, HEAD SIMILAR