EFCO 406 (T) Series - Manual (Page 6)

A - SCREW SPLINE FABRICATION
These units are then erected by mating the male mullion with the
permits the preassembly of single units in the shop or at the job site.
The screw spline system is a fabrication and erection method that
than other verticals. The glazing adaptor will be cut to the
NOTE: The screw spline door jamb runs to the floor and is cut longer
If the opening has an entrance, see the appropriate frame and
NOTE: Allow extra clearances, if necessary, to accommodate building
MEASURE THE OPENING TO DETERMINE THE CUT LENGTH
CUT THE HORIZONTAL GLASS STOPS TO DAYLITE OPENINGS
CUT THE HORIZONTAL MEMBERS TO DAY LITE OPENINGS.
DUE TO THE SCREW TENSIONS REQUIRED FOR CORRECT
ASSEMBLY SCREWS TO PREVENT GALLING AND BREAKAGE.
INSTALLATION, IT IS NECESSARY TO 'WAX' THE FRAME
NOTE: Allow minimum 1/ 2 " shim and caulk space around the perimeter.
When an entrance is required, screw spline joinery may be used with
standard jamb and vertical intermediate length.
NOTE: Consult A.D.A. requirements to verify compliance.
door fabrication installation sheets.
tolerances and building movement.
MINUS 1/32". (D.L.O. - 1/32")
(BETWEEN VERTICAL MULLIONS)
NOTE: Drill jigs are available.
VERTICAL MEMBERS. (See Fig. # 1 page 5).
DRILL THE HOLES FOR ASSEMBLY SCREWS ON
NOTE: Verticals must run through.
CUT THE VERTICALS TO FRAME SIZE.
OF THE FRAME COMPONENTS.
the screw spline door jambs only.
See page 3 of the parts identification section.
STEP 4)
STEP 3)
NOTE)
STEP 1)
STEP 2)
female mullion counterpart.
SECTION III FABRICATION
PAGE 4
MDM 04 /200 8 406 STOREFRONT