EFCO Special Purpose Windows Installation - Manual (Page 43)

EFCO 2014 4
Window Installation Instructions - Typical Subframe Installation Section
Subsill to Subjamb Cri cal Seal Areas
 Seal subframe to building cond on around the en re
perimeter of the opening, using a silicone compa ble
sealant as specified by the architect or contractor.
 Tool sealant into subsill profile.
 Tool sealant into void around subsill extender.
 Silicone sealant to be con nuous from subjamb to
subsill, silicone should have a minimum contact of 1/2”
with each surface. Tool into all crevices and corners.
 Seal subjamb leg to subsill and tool well.
 Run a bead at least 6” up the thermal pocket of the
subjamb, join this sealant line to the subsill sealant.
Con nuous bead to seal
subjamb to jamb condi on
Tool sealant into
subsill profile
Pay special a en on
to this area
Pay special a en on
to this area
Subjamb to subsill seal
Seal 6” up thermal area
Seal leg to subsill
Shim as required
(by others)
Backer rod
(by others)