How to Install Interior Window Trim | Ask This Old House

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Ask This Old House general contractor Tom Silva helps a homeowner trim a window to match the rest of the house. SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouse Time: 3-4 hours Cost: $100 Skill Level: Moderate Tools List for Installing Window Trim: Prybar Hammer Table Saw Miter Saw Compass Hand Plane Sandpaper Speed Square Nail Gun Shopping List: Window Stool Molding Extension Jamb Molding Window Casing Window Apron Molding Shims Wood Glue Minimally expanding foam insulation Steps: 1. Remove any existing casing, stool, or apron molding. 2. Use the table saw and miter saw to cut a piece of stool molding to fit between the windows. Leave the ends long. 3. To determine the finished length of the stool, hold the extension jamb and casing in place, leaving a _” reveal between them. Then set the distance from the face of the casing to the face of the stool and transfer that measurement from the side of the casing to the stool. 4. Ease the edges of the stool with a block plane and sandpaper. 5. Use shims to make the stool square to the window. 6. Use the nail gun to nail the stool in place. 7. Rip the extension jamb pieces to the correct width, then cut them to length. 8. Cut the casing to length, mitering the corners at 45 degrees. 9. Make a mark _” from the edge of the extension jamb where the casing will sit. 10. Assemble the extension jambs and window casings as a single unit on a workbench or sawhorses using screws, wood glue, and nails. 11. Dry fit the tr

Published 2018-08-05 · Watch on YouTube ↗
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