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Hi,<!—-> <!—-><!—-> <!—-> <!—-> Have a window trim question for anyone. I have installed a new window and am putting in a new interior sill (or stoop). The sill gets cut to fit against the bottom sash and it extends on both sides of the window about 5 inches where the right and left vertical trim will be placed. For the parts of the sill that extend to the left and right, should they sit flush against the wallboard or should the wall board be cut away so that they sit against the framing behind the wall board.<!—-> <!—-> <!—-> <!—-> Does it matter which way I do it? <!—-><!—-> <!—-> <!—-> If I cut away the wall board, I can secure each extension to the framing and then I have to use joint compound to refinish it. It the extension parts merely sit against the wall board, I am concerned about how stable the sill will be….<!—-> <!—-> <!—-> <!—-> Thanks for any thoughts/recommedations! Joe Joyce, Boston, MA |
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Cut and fit the sill to the drywall. Typically one uses a skirt board below the sill, this will help support the sill if it projects out too far to stand alone.
Fit to the drywall.
I'll sometimes drive a 16d finish nail thru the stool into the studs. Predrill before nailing. This really helps pull the stool horns tight to the drywall, and makes it a lot more stable.
I call that a stool. Mine are nailed to the sill and up into the bottom of the casing.
Are these miniatures you are talking about or full scale.
both
Joe,
you fit the stool to the wall just like scribing a cabinet to the wall. start with your horns cut about 3/16" extra at the wall to scribe in as the wallboard tends to fall away from the jambs occasionaly. of course you need to have a mitered return to hide your end grain. then finish it up with an apron inverted to match your casing.