How Do I Install A Prehung Exterior Door

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.

How do i install a prehung exterior door. Remove the old door. The key things to remember are setting the door level shimming the frame so the gaps between it and the door are even and taking steps to waterproof the installation. Installing an exterior door that is insulated and made of steel can be heavy and cumbersome due to the weight of the materials. Once the caulk and wood filler have dried you can apply paint to the door and wood trim to match the color of your home.

A prehung door comes already mounted into a frame and is installed all at once. If you choose to install a front door made of steel you will need a helper. Measure both the door and rough opening to make sure the door is the right size. How to install an exterior door.

You should be able to complete this project in less than a day. Attach trim to the door with fourpenny finishing nails.