How Thick Is a Door Jamb? Here's the Simple Answer
If you are standing in the middle of a renovation and wondering how thick is a door jamb , the almost all common answer you'll find for a standard interior walls is 4 9/16 inches. This may seem like a weirdly specific number, yet it's actually structured on the mathematics of how all of us build houses today. Most modern indoor walls are constructed using 2x4 studs, which aren't actually two inches by four inches—they're really 1. 5 ins by 3. 5 inches. When a person add a half-inch of drywall to both sides associated with that 3. 5-inch stud, you get 4. 5 inches. That extra 1/16 of an inch is just a small bit of breathing room to ensure the particular door frame rests slightly happy with or flush with all the drywall, allowing your housing (the trim) in order to lay flat. ...