door jamb

How Do I Measure a Flat Jamb Width?

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[vc_row][vc_column][vc_column_text]To choose the proper jamb width for your pre-hung, you must determine the thickness of the wall where your door will be placed. Wall thickness includes the wall stud plus the sheetrock thickness. Normally, either 2×4 or 2×6 studs are used for wall framing. Sheetrock is usually either 1/2” thick or 5/8” thick. Determine your wall stud and sheetrock thickness and then use the charts below to select the proper jamb width to match your application.[/vc_column_text][dt_vc_list]

Jamb Widths

  • Stud Sheetrock Thickness Flat Jamb Width
  • 2×4 Stud + 1/2” Sheetrock + 1/2′ Sheetrock = 4-9/16′ Wide
  • 2×4 Stud + 5/8” Sheetrock + 5/8′ Sheetrock = 4-7/8′ Wide
  • 2×6 Stud + 1/2” Sheetrock + 1/2′ Sheetrock = 6-9/16′ Wide
  • 2×6 Stud + 5/8” Sheetrock + 5/8′ Sheetrock = 6-7/8′ Wide

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