How To Install A Pre-Hung Exterior Door
Installing a new door can update a weathered door, give your home a more contemporary look and improve the safety and security of your home. For this project you will need a new pre hung door, drill and driver bits, hammer and nail set, screwdrivers, reciprocating saw, pry bar, caulk, level, square, tape measure, utility knife, nails, screws, shims, foam insulation, putty knife and shop towels. Before you get started, measure the width, height and depth of your door you have now. Your new door should be ½” less in height and ¾” less in width of the rough opening.
Getting started, remove any installation that surrounds the door. Remove the door from the hinges using a hammer and nail set, the hinges from the jam with a screwdriver and the screws from the sill and the jam. Remove the door frame. You may need to pry the installation off, so use your pry bar to do so.
The sill is where the door will sit. Make sure that it is square and level. Make any adjustments with shims. Also make sure that the door swings open without any force. Measure the bottom of the sill to the bottom of the door and check it against your flooring. Next apply caulk to the sill. With the help of a friend, gently lift the door into place and use shims to hold it in place. Adjust the frame so it is level.
Next drive screws into the hinges. Check to make sure that the shims are keeping the frame level. Typically a 1/8″ gap should surround the door. Once the door is in place, apply light expanding installation foam between the gaps. Remove any excess foam once it’s dried with a putty knife. Reattach the trim. If your door requires a stain, remove the door from the hinges and apply the stain. When your stain is dry, rehang your door. Add a fashionable knob and deadbolt, and enjoy your new door. Learn how to install a deadbolt lock in this video: http://www.youtube.com/watch?v=kW_SOu-AZyw
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