Figure 6-34.-Location of hardware for steel doors.
enclosed with casing (fig. 6-35, view B). The stool
serves as a filler trim member between the bottom sash
rail and the bottom casing.
The stool is the horizontal trim member that laps the
windowsill and extends beyond the casing at the sides,
with each end notched against the plastered wall. The
apron serves as a finish member below the stool. The
window stool is the first piece of window trim to be
installed and is notched and fitted against the edge of the
jamb and plaster line, with the outside edge being flush
against the bottom rail of the window sash. The stool is
blind-nailed at the ends so that the casing and the stop
cover the nailheads. Prechilling is usually necessary to
prevent splitting. The stool should also be nailed at the
midpoint of the sill and to the apron with finishing nails.
Face-nailing to the sill is sometimes substituted or
supplemented with toenailing of the outer edge to the
The window casing should be installed and nailed
as described for doorframes (fig. 6-26, view A) except
for the inner edge. This edge should be flush with the
inner face of the jambs so that the stop covers the joint
between the jamb and casing. The window stops are then
nailed to the jambs so that the window sash
smoothly. Channel-type weather stripping
Figure 6-35.Installation of window trim.