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Can you add sidelights to an existing door?

Published in Door Renovation 2 mins read

Yes, you can add sidelights to an existing door, but it involves some construction and isn't always straightforward.

Here's a breakdown:

  • Possibility: It's generally possible, especially if you have sufficient space on either side of the existing door frame. You essentially create openings (voids) to accommodate the new sidelights.

  • Considerations:

    • Framing: You'll need to ensure the existing door frame can support the added weight and structure. This might involve reinforcing the frame or adding additional support.
    • Space: Do you have enough wall space on either side of your door? Sidelights come in various widths, so measure carefully.
    • Door Style: The style of your existing door should complement the design of the sidelights.
    • Cost: Adding sidelights is a construction project, so factor in the cost of materials, labor (if you're not doing it yourself), and potential adjustments to trim and paint.
    • Header Support: Check the header (the beam above the door) to make sure it can span the wider opening. You might need to reinforce or replace it.
  • How it's done:

    1. Demolition: Carefully remove the drywall or siding surrounding the existing door frame where the sidelights will be installed.
    2. Framing Adjustment: Modify the existing framing to create openings for the sidelights. This often involves adding new studs and headers to support the structure.
    3. Sidelight Installation: Install the sidelights into the newly framed openings, ensuring they are level and plumb.
    4. Finishing: Insulate, drywall, trim, and paint to blend the new sidelights seamlessly with the existing wall.
  • Alternatives:

    • Full Door Replacement: Sometimes, it's easier and more cost-effective to replace the entire door and frame with a pre-made door unit that includes sidelights. This ensures a proper fit and finish.

In summary, adding sidelights to an existing door is possible but requires careful planning, construction skills, and attention to detail. Consider all factors before deciding if it's the right approach for your home.

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