Installing New Prehung Exterior Door

Begin installation by first running a thick bead of latex caulk along the subseal at the bottom of the old door opening.

Installing new prehung exterior door. How to install an exterior door. These doors work great for newly constructed walls and for replacing doors in. Check for plumb and shim the frame as necessary. Before removing the old door have the new one on hand.

Common jamb widths for stock doors are 4 9 16 in. For instructions on interior doors read how to install a prehung interior door. Most home centers stock prehung exterior doors in a limited number of styles. By learning how to install an exterior door you effectively update one of the key features of your home s appearance this guide reviews how to install an entry door including how to remove the old door position the new one and update such hardware as the hinges and door knob.

Buying a new prehung exterior door. Remove the old door. Remove the interior trim and measure the width and height of the frame. The new door should be 1 2 inch less than the height of the rough opening and 3 4 inch less in width.

Then lift the new pre hung door into the center of the rough opening positioning the bottom seal first then tilting the door into place. It s a good idea to measure the actual door too. Measure the old door. Also measure the jamb depth.