Step 1

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.

Step 2

Trim Door Opening

Trim Door Opening

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

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Trim Door Opening

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

Step 3

Check That Floor is Level

Check That Floor is Level

Check to see if the floor is level, then mark for any shims that are needed.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

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.

Step 4

Determine Where Shims Should Go

Determine Where Shims Should Go

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

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

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.

Step 5

Cut Door

Cut Door

Cut the door to the appropriate length.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Cut Door

Cut the door to the appropriate length.

Step 6

Remove Door's Temporary Packaging

Remove Door's Temporary Packaging

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

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

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.

Step 7

Begin Installation

Begin Installation

Begin installation by attaching a shim to the doorway to get started.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Attach Shim to Doorway

Tack one nail on a shim in the doorway to get started.

Step 8

Position Door

Position Door

Place the door inside the opening. Position the door so it is plumb, and the door is able to swing open.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Position Door

Place the door inside the opening. Position the door so it is plumb, and the door is able to swing open.

Step 9

Secure the Door Jamb

Secure the Door Jamb

Secure the door jamb to the opening with nails along its length.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Secure Jamb

Secure the jamb with nails along its length.

Step 10

Check and Adjust Door Opening

Use a straight edge to check the door opening, ensuring that it has room to open and close (Image 1).

With the door closed, place a shim by the bottom hinge to accommodate any adjustments (Image 2).

Step 11

Check Door for Level

Check Door for Level

Check the top gap above the door, and check the door again to make sure it is level.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Check Top Gap Above Door

Also, check the door again to make sure it is level.

Step 12

Nail Door in Place

Nail Door in Place

Check the center shim and the gap to make sure the door is plumb. Nail the door in place, from the jambs through the shims.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Nail Door in Place

Check the center shim and the gap to make sure the door is plumb. Nail the door in place, from the jambs through the shims.

Step 13

Set Nails

Set Nails

Use a nail set to set the nails beneath the wood, creating a smooth finish. Fill the holes with spackle.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Fill Nail Holes

Use a nail set to set the nails beneath the wood, creating a smooth finish. Fill the holes with spackle.

Step 14

Open and Shut the Door

Open and Shut the Door

Open and shut the door to ensure that it works properly.

Photo by: DK - Do It Yourself Home Improvement ©2009 Dorling Kindersley Limited

DK - Do It Yourself Home Improvement, 2009 Dorling Kindersley Limited

Open and Close Door

Check the door to make sure it opens and shuts properly.

Step 15

Make Adjustments

Place a level on the vertical surface to check that the door is plumb (Image 1).

If you need to adjust the door, try using a sledgehammer with a very gentle tap (Image 2).