Mark where the top of the trim meets the stool's end. step eight // how to trim out a window. cut and install the apron. hold a length of apron stock face down on the stool. mark the stock where it meets each side casing's outside edge. at the marks, make square cuts with a miter saw.. 2. measure and crosscut the window stool to length from 1x4 primed pine.[br] 3. rip the window stool to width using a handsaw.[br] 4. use a pencil scriber to mark a notch on each end of the stool. While there is no standard width for a sill, the stool -- at least in older homes, -- was usually three to four inches wide. stools can be made from a number of different materials. the most common is wood that is either stained or painted to match the casing trim around the window..
The family handyman has an article on how to install craftsman trim, which says to simply glue and nail the stool to the jamb using 2 1/2" finish nails.. once you have the stool cut to length, add a bit of wood glue to the length that will sit against the window frame. position the stool where you want it, and drill pilot holes through the stool and into the jamb using a 5/64 drill bit (using. Use this mark as your guide for the stool and the window trim. first measure and cut the window stool. you can use a jigsaw, coping saw or hand saw to cut out the edges of the stool so it fits snug against the window and has a reveal over the sides of the window. take into consideration the width of the window casing and trim on each side and. Simple window trim and door trim. window trim and door trim with old world eleganceits actually easier than standard trim. install the window casings, stool and apron: install the stool. family handyman. cut the stool so that it extends an inch past the casing on both ends. then round the edges with a router or by sanding..