How To Measure Interior Door Jamb
Typical door jamb sizes are.
How to measure interior door jamb. Note the measurement and save it for later. For example if the measurement is 80 inches your total measurement will be 80 1 4 inches. You ll need to know how wide your door frame is so the jamb fits in it.
Add 1 1 2 inches to allow for the thickness of the jamb. Measure from the bottom of the sill to the thickest part of the header. Measure the height of the door frame from the bottom of the threshold exterior door or the floor surface interior door to the outside top edge of the top jamb.
Measure the height of the door right in the middle. Open the door and measure the width from the hinges to the opposite side. Write this number down which is the overall width of the jamb.
Keep in mind that if the door has 2x4 walls then the frame will be 4 1 2 11 4 cm. Casing is easy to pry loose with a pry bar or even a screwdriver. Add 1 4 inch to the measurement.
Hold the tape measure up to the top of the door frame. How to measure a door jamb step one. The picture below will help you if you.
If you do not remove the trim measure from the inside edges of the trim or moulding make sure you are measuring from the visible edges of the jamb to get the correct size. Measure the width of the door in 3 locations. There will be a gap between the jamb and the rough framing.