EFCO Special Purpose Windows Installation - Manual (Page 46)

EFCO 2014 7
Window Installation Instructions - Typical Subframe Installation Section
Installa on of Subjamb Closure
 Measure for the subjamb closure length. See the “Z”
dimension shown on page 3 of this sec on.
 Run a bead of silicone sealant beneath where the closure
will snap 6” up the subjamb from the subsill. Make sure
this bead is con nuous and joins the subsill to subjamb seal
below. Take care not to over‐apply sealant in the track
where the closure will snap as this can create a hydraulic
ac on and make the closure difficult to snap in.
 Apply a 6” bead of silicone sealant on the sill end of the
subjamb closure, next to the gasket. Ensure that the bead
is taller than the gasket other wise it will not make the
necessary contact with the windows when it is installed.
(this step may be leŌ out if and only if the subframe to
window joint is cap sealed aŌer
the window is installed see
page
8)
 Install subjamb closures being
careful not to damage finish or
dent the metal.
Set subjamb closure
in bed of sealant a
minimum of 6” up
the the ver cal from
the subsill (required)
Join sealant lines
Back bead window
to closure contact
area a minimum of
6” of from the
bo om.
Make sure the
sealant is taller
than the bulb vinyl
Closure installed