EFCO 8800 Series Assembly Instructions Vol.4 User Manual
Page 26

EFCO 2009
Page 26
Series 8700 / 8800 Unitized Curtain Wall Assembly Instructions - Volume 4
Section 13 - Outside 90° Corner Captured Unit Glazing : C. Adapter and Cover Installation
1. Apply L142 thermal isolator clip to the verticals and horizontals. Refer to Volume 2, page 23 of the S-8000 Unitized Curtain Wall Assembly Instructions for
more information.
2. Apply 17B5 captured glazing adapter to the stack sill. Butt together the 17B5 at the corners. Slide the WC17 horizontal stack joint rain screen gasket into
position. Cut the gasket at a 45° angle with a serrated knife and leave a 1/4” gap at the corner for pressure equalization of the stack joint. It is not necessary
for the miter cut of the WC17 to be a precision cut. Refer to Volume 2, page 24 of the S-8000 Unitized Curtain Wall Assembly Instructions for more
information.
3. Insert HS31 setting blocks between the stack sill glazing adapters and the glass at quarter points, or as directed per the final approved shop drawings. Refer
to Volume 2, page 24 of the S-8000 Unitized Curtain Wall Assembly Instructions for more information.
Figure 44
L142 Thermal
Isolator Clips
17B5 Captured Stack
Sill Glazing Adapter
Slide WC17 gasket
into 17B7
WC17 Horizontal
Stack Joint Rain
Screen Gaskets
HS31 Setting Blocks
(2 per location).
L142 Thermal
Isolator Clips
17B5 Captured Stack
Sill Glazing Adapter
HS31 Setting Blocks
(2 per location).
HEAD
SILL