second sloping bead is suggested along the head of the
existing frame. This will insure proper
drainage. See detail #2
6. Insert the new Retrofit window into the opening
and secure with screws through the jambs into the
existing window frame.
necessary, a finish bead of caulking can be applied to
seal any gaps between the Retrofit frame and the wall
Inside the home, install insulation between the old
frame and the new window. Do Not use expanding
foams, frame distortion may occur.
Install a decorative trim to cover the gap between the
old frame and the new window.
Sealants should be used the same day they are
opened. Excess sealant can be removed with paint