How To Install A New Exterior Door Frame

The new door should be 1 2 inch less than the height of the rough opening and 3 4 inch less in width.

How to install a new exterior door frame. Cut out and replace any rotted wood. Remove the interior trim and measure the width and height of the frame. Check out these easy to follow tip on how you can install a pre hung exterior door. Also measure the jamb depth.

Next create a rough opening around your frame that s at least 1 inch wider and taller than the outside of the door system you re installing then insert the new door into the opening and place shims on the hinge side of the door making sure there s a gap of 1 8th inch between the edge of the door and the jamb. If you re looking to add a new exterior door to your home whether it s a pair of french doors that swing out onto your patio or a dutch door that brings cottage charm to your front entry you ve come to the right place. Leave the retaining brackets in place that hold the door closed while you re working on it. Measure the old door.

The first step you need to accomplish before you learn how to install an exterior door is that you must prepare the rough opening of the door if necessary and remove the new door and frame from their packaging. After the door frame is out check the condition of the framing and subflooring in the sill area. It s a good idea to measure the actual door too. Our brick opening was level and plumb but this isn t always.

Prepare and install the sill.