EFCO 8800 Series Assembly Instructions Vol.3 - Manual (Page 25)

EFCO 2009 Page 25
Series 8700 / 8800 Unitized Curtain Wall Installation Instructions - Volume 3
Section 9 - Outside 90° Corner Unit Glazing Preparation : SSG and Captured
Figure 65
Apply the WC18 spacer
gasket to the mullions.
1. Thoroughly clean all debris from the shadow box and back panel areas if the project has shadow boxes or back panels.
2. Using an approved solvent or cleaner, clean the surfaces of the mullions to receive the WC18 spacer gasket and sealant of all oils and other
contaminants. The sealant manufacturer’s preparation and application instructions should be followed exactly.
3. If sealant primer is required, apply it per the primer/sealant manufacturer’s instructions. See Figures 68 - 70 of page 26 for more detail.
4. Refer to Volume 2, pages 6 and 7 of the S-8000 Unitized Curtain Wall Assembly Instructions for more information.