How To Install Window And Door Molding

The first step in any trim job is to prepare the jambs for trim.

How to install window and door molding.

The standard reveal for window molding and door trim is 1 4 in but this can be adjusted a little if needed. Your brick molding is 2. Create awesome door and window trim molding by layering most builders don t spend money on trim around doors and windows. Find the linear length of brick molding required for your window.

Position the leg moulding piece against the door jamb. Use a sharp pencil to mark the jamb 3 16 inch from the inside edge on all sides of the window to give you a reference mark for positioning each piece of trim. They might splurge on crown molding or tall baseboards but typically just put in common inexpensive run of the mill everybody has them door and window casings. C a b.

Again draw a line to guide the miter cut. That ll give you a 3 16 in. Whether you re installing new door or changing the door s trim for aesthetic reasons read on to learn how to trim a door yourself. Then mark the other end flush with the inside of the jamb.

B width of the brick molding x 5. D c 12. Read more about create awesome door and window trim molding. Your window is 30 inches tall and 40 inches wide.

Cut a 45 degree angle on one end of the trim and hold it so the short end of the angle overhangs halfway or 3 8 in onto the jamb. When installing window molding start at the top. Nail the leg mouldings in the same manner as you did across the top of the door frame. It s super easy to create awesome door.

To work out the linear length requirement we can do some simple calculations. How to install door trim. Watch this video for step by step instruct. A height of the window width of the window x 2.

Measure the length of the leg moulding from the inside corner of the head moulding piece to the floor and cut the leg moulding at a 45 degree angle. Installing the trim slightly away from the jamb edges will help hide discrepancies.