Series 403x storefront installation instructions – EFCO 403X Series User Manual
Page 17

Series 403X Storefront Installation Instructions
EFCO 2013
Page 17
Section 3F. Unit Assembly - Screw Spline
Assembly Steps:
Butter the ends of all horizontals and fill vertical glazing vinyl pockets with butyl type sealant as represented by the
shaded areas in Fig. #15.
(Place sealant as shown unless ladder to be installed in opening immediately, then coat complete end of
horizontal.)
Wax type lubricant may be required at assembly fasteners.
Screw complete system together as shown in Fig. #15.
Clean off all excess butyl sealant after assembled.
Fig. #15
SPL3
SPL3
SPL3
SPL3
SPL3
SPL3
Note:
Inside Glazed Assembly shown, Outside Glazed, expansion
mullion, and 4 1/2” horizontal assembly systems similar.
Sealant
Exterior Face
Sealant