How To Fit A Door Frame

Door Frame

Step-by-Step Guide and FAQ

Fitting a door frame is a key step in door installation that requires precision and attention to detail. Whether you’re renovating your home or simply replacing a damaged door frame, understanding the process can ensure a smooth installation and a well-fitted door. This guide, tailored for Low LTD, will walk you through the necessary steps to fit a door frame, accompanied by answers to commonly asked questions.

Step-by-Step Guide to Fitting a Door Frame

1. Prepare the Opening

  • Ensure that the opening for the door frame is clear of debris and old fittings. Measure the height and width of the opening to confirm the size of the door frame needed.

2. Check the New Frame

  • Before installation, check the new frame for any damages and ensure all parts are included. Measure the frame to ensure it fits the opening, allowing a small gap for adjustments and insulation.

3. Position the Frame

  • Place the frame in the opening. Use wooden shims to adjust the position until the frame is level and plumb. Check this with a spirit level on both sides and the top of the frame.

4. Secure the Frame

  • Once the frame is properly aligned, temporarily secure it with nails or screws. Do not fully drive them in until you have confirmed the frame is perfectly positioned.

5. Install Frame Fixings

  • Drill holes through the frame into the brickwork or wall structure at pre-marked fixing points. Use suitable frame fixings to secure the frame firmly in place. Ensure the frame remains level and plumb as you tighten the fixings.

6. Check Door Fit

  • With the frame secured, hang the door to check the fit. Ensure there is a consistent gap around the door, typically about 2mm, and that the door opens and closes smoothly.

7. Apply Finishing Touches

  • Once everything is confirmed as fitting correctly, fully secure the frame and fill any gaps with insulating foam. Apply trim or sealant around the frame for a clean finish and to improve insulation.

8. Final Inspection

  • Review the entire installation to ensure everything is secure and operates correctly. Make any final adjustments as necessary.

Frequently Asked Questions (FAQs)

Q1: How do I choose the right type of door frame? A: Choose a frame that matches the material and style of your door and the interior of your home. Common materials include wood, metal, and PVC.

Q2: What are frame fixings and how do I choose the right ones? A: Frame fixings are fasteners used to securely attach the door frame to the wall. Choose fixings that are suitable for the material of your walls (brick, plasterboard, etc.) and the weight of the door.

Q3: How can I ensure the frame is perfectly level? A: Use a spirit level to check the frame’s alignment horizontally and vertically. Adjust with shims until the level indicates a perfect alignment.

Q4: What should I do if the door doesn’t fit properly after installing the frame? A: Check if the frame is square and level. Minor adjustments can be made with shims, but significant misalignment might require repositioning the frame.

Q5: Can I install a door frame by myself? A: While it’s possible to install a door frame on your own, having an extra set of hands can help, especially when positioning and leveling the frame.


Fitting a door frame correctly is crucial for the functionality and appearance of your door. By following these steps, homeowners and contractors alike can ensure a secure and proper fit. Remember, taking your time to measure accurately and adjust for level and plumb can prevent issues down the road. For professional assistance or advice, contact Low LTD, where expertise and quality craftsmanship are guaranteed.

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