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How to Install Interior Pre-hung Doors (page 1 of 3)

Installing pre-hung doors is the most popular method of hanging new doors or replacing old ones. All you have to do is install the unit into a rough opening. Follow these steps to install a pre-hung door in your home.
Excerpted from Do It Yourself Home Improvement

More in Windows Walls and Doors

Check Door for Proper Operation

When ordering a pre-hung door, you will have the choice of a right- or left-hand swing, as well as having the manufacturer drill the holes in the door for the locksets. If the unit arrives with a brace to keep the door and frame aligned, leave the brace on until the door unit is plumbed, shimmed and secured into place.

Trim Door Opening

Trim any excess drywall around the doorway to make sure the new door will hang plumb.

Trim Excess Drywall Around Doorway to Keep Plumb

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

Check That Floor is Level

Mark for any shims that are needed under the level.

Mark Floor for Shims if Needed for Leveling

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

Determine Location for Shims

Measure and mark against the jamb where any shims are needed.

Measure and Mark Jamb Where Shims are Needed

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

Cut Door

Cut the door to the appropriate length.

Cut Pre Hung Door to Appropriate Length

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

Remove Packing Material

Remove the plug that comes on the pre-hung door, as well as the temporary trim on the bottom of the door.

Remove Plug and Temporary Trim on Pre Hung Door

Courtesy of DK - Do It Yourself Home Improvement © 2009 Dorling Kindersley Limited

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Excerpted from Do It Yourself Home Improvement

© Dorling Kindersley Limited 2009

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