Sealing screw spline vertical mullions, A. screw spline, Step 5) sealing screw spline vertical mullions – EFCO 525 Series User Manual

Page 30

Text mode
Original mode

SECTION VIII-FRAME INSTALLATION

[FIG. 38]

SEAL

[FIG. 39]

SNAP

A. SCREW SPLINE

(CONT.)

PAGE 28

CLEAN IF

REQUIRED

795

SEALANT

CLEAN OFF

ANY EXCESS

SEALANT

STEP 5) SEALING SCREW SPLINE VERTICAL MULLIONS

525 IMPACT

RDM 4/2011

Prior to installing an intermediate vertical mullion or perimeter jamb, apply

795 or equivalent silicone type sealant to the vertical mullion in the location
shown in figure 38 below. Both sides of the entire mullion should be
sealed. Apply enough sealant so when the filler or opposite mullion half is
snapped, it will create a good seal. Wipe off excess sealant from the
exterior if required. This sealant practice should be used for screw spline

vertical mullions only.