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How to Replace Full Mortise Door Hardware

Ask This Old House carpenter Nathan Gilbert helps a homeowner to replace his traditional mortise hardware with hardware that locks.

Ask TOH Season 2, Ep25, Tom Silva replaces weatherstripping
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How to Weatherstrip an Exterior Door

This Old House general contractor Tom Silva shares tips for fixing a drafty door

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How to Install a Sliding Glass Door

This Old House general contractor Tom Silva shows how to open up a wall for a large glass slider

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How to Install a Storm Door with a Dog Door

Ask This Old House general contractor Tom Silva helps a homeowner install a storm door with her active dog in mind

How to Soundproof a Door

How can you stop—or at least reduce— noise coming from outside a room? Fortunately, there are a few easy ways to soundproof an interior door, and we’ll tell you how.

How to Rekey a Lock

To improve your home’s security, you’ll want to change your locks or rekey them. Learn the best time to do either, and how to rekey a lock.

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Interior Door Installation

Tom Silva shows you how to install a pre-hung interior door in your home step by step.

A Guide to Front Door Replacements

The front door to your house must be tough, yet handsome and gracious. See our list of options that cater to a variety of styles, budgets and quality.

Sliding Barn Door dividing two rooms.
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How to Build a Sliding Barn Door

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

How to Seal a Door Gap

We show you how to use silicone weatherstripping to fill gaps in your door.

How to Refinish a Door

A pro's secrets for rejuvenating weather-beaten wood.

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How to Install a Deadbolt Lock

In this video, we show you how to install a new deadbolt lock step-by-step with tips on how to mark the door and position the drill.

How to Remove an Interior Doorknob

No need to call in the pros for a faulty lockset, here’s how to take off your doorknob yourself.

People blocking drafty door with long tubes.
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How to Install a Prehung Exterior Door

In this how-to video, This Old House general contractor Tom Silva makes quick work of replacing an old door.

How to Install a Prehung Door

Tom Silva does a plumb job installing a prehung interior door.

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How to Replace Glass in a Door

In this how-to video, This Old House general contractor Tom Silva shows how to safely replace a broken glass door pane.

How to Replace a Door Threshold

How to put your exterior entryway back on solid footing.

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How to Build and Hang a Custom Screen Door

Ask This Old House general contractor helps a homeowner build a custom screen door to fit her unique front entryway.

How To Install Door Trim

Whether you’re installing new door or changing the door’s trim for aesthetic reasons, read on to learn how to trim a door yourself.

How to Weatherstrip a Door

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

How to Repair Your Sliding Door

Read these 8 steps for how to repair your broken sliding door.

Get a Sliding Screen Back on Track

It’s one of life’s little annoyances: that balky screened patio door that catches and sticks. Good news: The fix is a cinch

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How to Tightly Fit an Antique Door

Ask This Old House general contractor Tom Silva uses multiple techniques to make an antique, drafty door weathertight

How to Install a Dog Door

Give your pet the freedom to come and go whenever it wishes by installing this energy-efficient kit.

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How to Bore for a New Door Knob

Ask This Old House general contractor Tom Silva helps a homeowner install a new passage set door knob on his closet door

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How to Install a Secret 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.

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How to Install a Hidden Door/Bookshelf

Ask This Old House general contractor Tom Silva is in Salem, MA, to help install a bookshelf that doubles as a door

How to Pull off a Bold Front-Door Paint Color

Opt for a playful hue with cues from an architectural color consultant

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How to Install a Solid-Wood Exterior Door

This Old House general contractor Tom Silva helps a homeowner install a new, energy-efficient wood door

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How to Replace Basement Bulkhead Doors

This Old House general contractor Tom Silva helps a homeowner install a new pair of basement bulkhead doors

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How to Replace Sidelights on a Front Door

This Old House general contractor Tom Silva replaces a pair of sidelights on a front door with new, insulated ones

How to Build a Hidden Door

Trim out a slab door with poplar boards to create a hidden passage disguised as a paneled accent wall