Interior Door Frame Installation Guide

Interior Door Frame Installation

Although installing a new interior door frame can seem intimidating, it can actually be a fairly simple process if you follow the right instructions. This tutorial will take you step-by-step through the interior door frame installation process, from rough opening preparation to door hanging.

Materials and Tools for Installing Interior Door Frames

Installing interior door frames typically requires a set of materials and tools to ensure a proper and secure installation. Here’s a list of items you may need:

Materials and Tools for Installing Interior Door Frames

Materials for Interior Door Frame Installation:

Interior Door Frame Kit:

This may include the head jamb, side jambs, and a threshold if it’s a prehung door.


Used to level and plumb the door frame.

Wood Screws:

For securing the door frame in place.

Finishing Nails:

They are used to secure the frame in place before screwing.

Wood Putty or Filler:

For filling nail holes and gaps.

Construction Adhesive:

It is optional but can be used for additional stability.

Paint or Stain:

To finish the door frame after installation.

Tools for Installing Interior Door Frames:

Measuring Tape:

To measure the dimensions of the door frame.

Carpenter’s Level:

Ensure the door frame is plumb and level.

Pry Bar:

For removing any existing trim or door frame.

Circular Saw or Miter Saw:

Cut the door frame components to the required length.


For nailing and general construction tasks.

Screwdriver or Drill:

For driving screws into the frame.


For creating hinge mortises if they’re not pre-cut.

Utility Knife:

For trimming shims and cutting away any excess material.

Caulk Gun:

For applying caulk around the frame for a finished look.

Safety Gear:

Safety glasses, ear protection, and work gloves for personal protection.


This is for marking measurements and cutting lines on the door frame.


For smoothing any rough edges on the cut wood.

Types of Interior Door Frames

Interior door frames come in various types and styles, and they play a significant role in a space’s overall design and functionality. Here are some common types of interior door frames:

Types of Interior Door Frames
  1. Standard Door Frame: This is the most common type of interior door frame and is typically used for standard swinging doors. It consists of three parts: the head (top), jamb (side), and sill (bottom).
  2. Pocket Door Frame: Pocket doors slide into the wall, making them a space-saving option. The door frame for a pocket door is designed to create a concealed space within the wall where the door can slide and disappear.
  3. Bypass Door Frame: Bypass doors are often used for closets. The frame allows multiple doors to slide past each other, creating an opening without taking up floor space when the doors are open.
  4. Bifold Door Frame: Bifold doors are hinged in the center and fold in half when opened. The frame for bifold doors is designed to accommodate the folding action, typically with a track at the top and bottom.
  5. French Door Frame: French doors are characterized by multiple glass panels and are often used for openings between rooms or leading to the outdoors. The frame for French doors is designed to support the weight of the glass panels and provide an elegant appearance.
  6. Flush Door Frame: Flush doors are flat and smooth, with no raised panels or moldings. The frame for flush doors is simple and designed to create a clean and minimalist look.
  7. Fire-Rated Door Frame: Fire-rated door frames are constructed to meet specific fire safety standards. They are used in areas where building codes require doors that can resist fire spread for a certain amount of time.
  8. Dutch Door Frame: Dutch doors have a horizontal division that permits the top and bottom halves to open separately. A Dutch door’s frame enables split design accommodation and multipurpose use.
  9. Prehung Door Frame: The prehung door frame includes the door, hinges, and frame, all preassembled. It simplifies the installation process, making it easier for homeowners and builders.
  10. Cased Opening Frame: Cased openings are doorways without an actual door. The frame is designed to provide a finished and decorative border around the opening.

Interior Door Frame Installation Process

Step 1: Preparation

Initiate the interior door frame installation by measuring the door opening to determine the appropriate size for the frame. Typically, standard door frames are 2 inches wider and 1 inch taller than the actual door size. Once the correct measurements are obtained, procure a preassembled interior door frame kit from your local hardware store.

Step 2: Remove the Existing Door Frame (if applicable)

If replacing an existing door frame, cautiously remove it using a pry bar and hammer. Exercise extra care to avoid damaging the surrounding walls during this interior door frame installation phase.

Step 3: Check the Opening

Ensure that the door opening is square and level. Utilize a level and carpenter’s square to assess vertical and horizontal alignments. Adjustments may be necessary if the opening is not square before progressing with the interior door frame installation.

Step 4: Trim the Interior Door Frame

Trim the interior door frame kit using a circular saw or handsaw to fit the door opening. Adhere to the manufacturer’s instructions for cutting and assembling the frame components. Precision in measurements is essential to achieve a snug fit during this interior door frame installation step.

Step 5: Dry Fit the Frame

Conduct a dry fit before permanently attaching the frame to ensure all components align correctly. Check for any gaps or misalignments, making necessary adjustments. This meticulous step is crucial for a seamless interior door frame installation.

Step 6: Apply Wood Glue

Glue wood glue to the ends of the parts that will be assembled to increase the frame’s overall strength and stability. When installing the interior door frame, use a small brush or your finger to evenly apply the glue, increasing its strength.

Step 7: Assemble the Frame

Carefully assemble the interior door frame according to the manufacturer’s instructions. Utilize a carpenter’s square to check angles, ensuring the frame is square and true. Once satisfied, secure the joints with nails or screws, marking a significant advancement in the interior door frame installation.

Step 8: Install the Hinges

Position the door hinges on the frame and door in alignment with the manufacturer’s instructions. Employ a chisel to create hinge recesses, ensuring they sit flush with the frame and door surface, a pivotal step in the installation of interior doors.

Step 9: Hang the Door

With the frame assembled and hinges in place, meticulously hang the door on the hinges. Verify that the door swings freely and smoothly, making necessary adjustments to ensure a proper fit in this interior door frame installation stage.

Step 10: Shim and Secure the Frame

To guarantee a tight fit, place shims between the frame and the rough opening. To ensure that the frame is plumb and level, use a level. After you’re happy with the arrangement, use screws or nails to fasten the frame to the surrounding walls, creating a safe stopping point for the interior door frame installation.

Step 11: Check for Proper Operation

Operate the door multiple times, checking for smooth functionality. Identify any sticking points or misalignments, make the necessary adjustments, and trim excess shims protruding from the frame, ensuring a flawless interior door frame installation.

Step 12: Fill Nail Holes and Sand

Achieve a seamless appearance by filling any visible nail holes with wood putty. After the putty dries, sand the entire frame, smoothing out rough edges or imperfections. This preparatory step sets the stage for painting or finishing, if desired, in the interior door frame installation process.

Step 13: Paint or Finish (Optional)

Should you desire an enhanced appearance for the interior door frame, apply paint or finish according to your preferences. Allow sufficient drying time before handling the door.

Step 14: Install Door Hardware

Install the doorknob, latch, and other hardware according to the manufacturer’s instructions. Verify that the hardware functions correctly and securely, reaching a crucial milestone in the interior door frame installation.

Step 15: Final Inspection

Conduct a final inspection of the interior door frame installation. Check for any remaining imperfections, ensure the door operates smoothly, and confirm that it closes securely. Make any last-minute adjustments if necessary, marking the successful completion of theinterior door frame installation process.

Congratulations! You have completed the interior door frame installation process. A well-installed door frame not only adds functionality to the space but also contributes to the overall aesthetics of the interior.