Figure 6-35.—Installation of window trim.

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 sill. 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 slides often Figure 6-35.—Installation of window trim. 6-23