How To Measure A Door Frame For Replacement

Use the smallest figure as your measurement.

How to measure a door frame for replacement. Measure the width and height of your old door. To accurately measure for a storm door measure the height of the doorway on the sides and in the center from the top of the bottom threshold to the underside of the header. The door s thickness is simply the measurement of the edge of the door. For example if your door measures 35 3 4 in.

You re only measuring the wooden frame that actually holds the door up not any of the extra bits. Net frame size may vary for each manufacture most of the manufacturers offer to trim the unit from the height and width but within a limit. Stand inside the open door facing the jamb. Measure from the backside of the interior trim to the backside of the exterior trim figure a.

This dimension is needed to replace the door and the frame. Dimensions taken from outside the frame. This will help ensure that you select the exact right replacement door. Measure the width of the door in 3 locations.

Just to be safe measure the area where your door will go too. Record the height and width of the door frame space. Measure in three places. How to measure replacement exterior doors.

At the top middle and bottom of the frame and use the smallest measurement. It needs to swing back and forth freely latch into place securely and fit inside its frame tightly. Then measure the width of the door inside of the trim at the top middle and bottom of the door. As for how to measure a door frame.

Remove the casing trim on one side of the door interior side for exterior doors using a flat pry bar. The door jamb can be a little trickier as your measurement needs to exclude any trim. Tall you ll order a 36 in. If your door measures this size congratulations you can replace it with either a stock new slab door or a prehung door that includes the frame and fits into a standard rough opening of 32 by.

Measure the height of the door right in the middle. Measure the width of the door frame from the outside of the jamb on one side to the outside of the jamb on the other side. Round these up to full inches to find the size of the replacement door you ll need.