Measure a rough opening if you re not sure if you have a standard width opening measure the distance from wall to wall on the outside and add 1 8 inch.
Exterior door jamb dimensions.
Add 1 1 2 inches to allow for the thickness of the jamb.
Interior doors come in standard heights widths and thicknesses as follows.
It s a common practice to add another 1 8 inch for some leeway to ensure the jamb covers adequately making the average door jamb 4 5 8 inches wide.
Interior and exterior walls have different measurements due to different types of building materials present.
In order for the door to fit accurately to the opening without the possibility of future problems you have to get the true measurement of the wall for the jamb.
Open the door and measure the width from the hinges to the opposite side.
4 9 16 for 2x4 frame with drywall 5 1 2 for 2x4 frame with stucco or thick drywall 6 9 16 for 2x6 frame or block wall.
In stock you will also find a slightly shorter 78 inch door.
Called a 6 6 door it s reserved for.
Standard interior door height is 80 inches.
Write this number down which is the overall width of the jamb.
This is the most common height for passage doors that lead from one room to.
4 9 16 5 1 4 or 6 5 8.