EFCO S5500 SSG Captured - Manual (Page 52)

EFCO CORPORATION 6/2012 PART NO. Y556 Page 52 of 81
S-5500 SSG and Captured Corner Mullion Installation Instructions
Section VIII: Exterior Cover & Drive-In Gasket
Installation for Captured System
HORIZONTAL
PRESSURE COVER
STEP #5 INSTALL INTERMEDIATE PRESSURE COVERS
A. Insert backer rod into the ends of the horizontal. Recess the backer rod at least 1/4” into
the inside area of the cover.
B. Apply sealant to the ends of the cover, filling the voids at the end.
C. Apply a layer of sealant to the sides of the vertical pressure plate at the corner and to the
covers at the adjacent mullions, where these areas will contact the horizontal cover.
D. Roll-on the horizontal pressure cover to the intermediate horizontal as shown in the inset
detail below.
E. Tool the sealant into the joint and smooth down flush with the joint. Remove all excess
sealant as required.
Apply backer rod in
the ends of the
cover, apply sealant,
and tool water tight.
Apply sealant to the side of the
corner mullion pressure plate.