Casings are the trim pieces that surround doors and windows. Here is a step-by-step guide for installing door and window casings:
- Measure the door or window: Measure the length and width of the door or window frame where you will be installing the casing.
- Cut the casings: Use a miter saw to cut the casings to the correct length and angle. Casings are usually installed at a 45-degree angle.
- Install the top piece: Start with the top piece of casing and nail it to the frame above the door or window. Use a level to ensure that it is straight.
- Install the side pieces: Nail the side pieces of casing to the frame, making sure that they are flush with the top piece.
- Install the bottom piece: Nail the bottom piece of casing to the frame, making sure that it is level and flush with the side pieces.
- Fill gaps: Use caulk to fill any gaps between the casing and the wall or frame.
- Sand the casings: Use sandpaper to smooth out any rough edges or imperfections in the casings.
- Paint or stain: Once the casings are installed and sanded, prime and paint or stain them to finish the look.
Remember, casings are installed around doors and windows, which can be a bit more challenging due to the tight spaces. Take your time and be patient.




