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Door Jambs & Headers

Components for a complete interior door opening

Complete the opening from jamb to header.

Shop common door-jamb widths and decorative header profiles, then coordinate them with your selected interior doors and casings.

Request a door trim quote
  • Soho Header

    Soho Header 6

      5 1/2" Soho Header: 5 1/2" x 1 1/2" x 16'   Important Note: Dimensions may vary depending on the material of the profile. Drawings and dimensions are nominal - actual sizes and profile may vary slightly.
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  • 6 9/16" x 5/8" Door Jamb

    Door Jamb 6 9/16" x 5/8"

    Door Jamb 6 9/16" x 5/8" for a measured door openingThe Door Jamb 6 9/16" x 5/8" is a jamb component for coordinating an interior-door opening. Match its dimensions to the wall build-up, slab and machining schedule before requesting a...
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  • 4 9/16" x 5/8" Door Jamb

    Door Jamb 4 9/16" x 5/8"

    Door Jamb 4 9/16" x 5/8" for a measured door openingThe Door Jamb 4 9/16" x 5/8" is a jamb component for coordinating an interior-door opening. Match its dimensions to the wall build-up, slab and machining schedule before requesting a...
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  • 5 1/4" Colonial Header

    Colonial Header 5

    Colonial Header 5 for coordinated interior trimThe Colonial Header 5 is a interior moulding profile for projects that need a deliberate transition and a consistent trim package. Review the verified dimensions and material notes below before building the...
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Match the jamb to wall thickness

Jamb width should align with the finished wall assembly so the casing sits correctly on both sides of the opening.

Use headers to add emphasis

Decorative headers create a stronger top detail and can coordinate with colonial, Soho and other casing profiles.

Plan the complete door package

Confirm door size, swing, jamb width, stop, casing and hardware before ordering so every component works together.

Quote repeated openings together

A door schedule with opening sizes, wall thicknesses and selected trim helps streamline quoting for multi-room projects.

Buyer questions

Door jambs and headers FAQs

How do I choose the correct door-jamb width?

Measure the finished wall thickness, including drywall or other finishes, and select a jamb that allows the casing to sit properly.

What is a decorative door header?

A decorative header is the top trim element above an opening. It can add visual height and coordinate with the casing profile.

Do jambs come with interior doors?

Door configurations vary. Confirm whether your selected door is a slab or part of a prepared package when requesting a quote.

Can I quote doors, jambs and casings together?

Yes. A combined quote helps confirm that door and trim components are compatible across the project.

Request a door trim quote