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Entry door jamb width illustration. Common jamb sizes: 4-9/16”, 5-1/4” or 6-5/8”. (Typical 2x4 is a… | Exterior door frame, Exterior doors, Installing exterior door
![SDI 111: Recommended Details for Standard Steel Doors, Frames, Accessories and Related Components | Steel Door Institute SDI 111: Recommended Details for Standard Steel Doors, Frames, Accessories and Related Components | Steel Door Institute](https://www.steeldoor.org/wp-content/uploads/2020/02/SDI_111_1.jpg)
SDI 111: Recommended Details for Standard Steel Doors, Frames, Accessories and Related Components | Steel Door Institute
![SDI 135: Guidelines to Measure for Replacement Doors in Existing Frame Openings | Steel Door Institute SDI 135: Guidelines to Measure for Replacement Doors in Existing Frame Openings | Steel Door Institute](https://www.steeldoor.org/wp-content/uploads/2020/02/135-fig1.png)