Door Installation

Carpenter Nathan Gilbert shows how to close the gap caused by a new floor in an older home with a new threshold.

This Old House master carpenter Norm Abram shows how easy it is to reuse and modify an old closet door to fit the door opening to a master bedroom.

Watch Kevin O’Connor and Building Science expert Christine Williamson discuss the key strategies to an air-tight installation that manages water.

Close the gap in your door to stay free from drafts, eliminate air leaks, and maintain energy efficiency.

In this DIY Smarts project, Ask This Old House carpenter Nathan Gilbert travels to Birmingham, Alabama to install a sliding barn door in an open-concept loft apartment.

Ask This Old House general contractor Tom Silva travels to Pittsburgh to replace a bi-fold closet door with one that is more appropriate for the house

Ask This Old House general contractor Tom Silva shows a homeowner how to turn an old door into a prehung door for a new opening

Ask This Old House general contractor Tom Silva converts a regular door into a Dutch door.

Tom Silva installs a bookcase that also serves as a door, concealing the entrance to a closet. He also demonstrates how to use a "scribe" to cut filler strips for an uneven floor.

Ask This Old House host Kevin O'Connor shows a homeowner how to install a Bluetooth-enabled smart-lock dead bolt for his front door

Get a rustic look by building your own barn door with this step-by-step guide.

This Old House general contractor Tom Silva shows the proper way to install a new window into an old—and oversized—doorway opening

This Old House general contractor Tom Silva shows how to hang a new energy efficient door

Cutting a new doorway with This Old House general contractor Tom Silva