EFCO 8800 Series Assembly Instructions Vol.5 - Manual (Page 52)

EFCO 2009 Page 52
Series 8700 / 8800 Unitized Curtain Wall Assembly Instructions - Volume 5
Section 25 - Captured Vent Unit Glazing at Stack Sill : D. Joint Plug Installation
Figure 90
HEAD
SILL
HNC4
HNC4
HNC4 Joint Plug
Figure 91
1. HNC4 joint plugs will be required at the head of the assembled unit frame. Using an approved solvent or cleaner, clean the surfaces of the mullions
where the joint plug will be applied.
2. Apply joint plugs to the areas shown below as shown and noted in Volume 2, page 32 (head only) of the S-8000 Unitized Curtain Wall Assembly Instructions.