Step 2) horizontals to jamb assembly, Con’t), Fig. 3 – EFCO 945 Series User Manual

Page 12: Captured mullion systems

GENERAL NOTE: If the D.L.O.

is 36" wide or less, 2 strap

anchors are required. D.L.O.’s

greater than 36" require 3

anchors. Anchor widths and

locations should be verified by

a structural engineer for job

specific conditions.

VERTICAL INT.

8308

JAMB

(8307)

HEAD

(8300)

ANCHOR

FT46 (SHOWN)

FT47 (OPTION)

HEAD

(8300)

APPLY BUTYL TYPE SEALANT TO THE END

OF ALL THE HORIZONTALS BEFORE

ATTACHING TO THE JAMBS.

STEP 2) HORIZONTALS TO JAMB ASSEMBLY

CAPTURED MULLION SYSTEMS

SECTION IV - UNIT ASSEMBLY

(CON’T)

SILL

(8344)

VERT. MULLION FILLER

(8309)

INT. HORIZONTAL

8301 - STANDARD

(8302 - OPTIONAL)

SILL

(8344)

STC8

Apply butyl type sealant to the ends of all horizontal members. Before assembly, apply wax

lubricant to all STC8 fasteners. Fasten one end of the horizontals to the vertical member.

Install anchors into the head. Fasten the opposite vertical member to all horizontal members.
Make sure that butyl type sealant has been applied to that end of the horizontal members.

Wipe off all excess sealant.

To ensure that the unit will assemble correctly, verify that the intermediate verticals and the
fillers are fabricated opposite of each other.

If strap anchors are to be used, slide them into the head before assembling the ladder.

NOTE: For inside glazed systems, install exterior glazing gasket (WC12) prior to assembly.
For outside glazed systems, install interior glazing gasket (WNE0) prior to assembly of units.

[FIG. 3]