Door How To & DIY
Improve the value of your home by discovering our door step-by-step tips & ideas.
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How to Replace a Common Door Lock
Cylindrical door locks are a far cry from the complicated mortise locks of old. Here’s how to replace one.
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.
How to Seal a Door Gap
Learn how to use silicone weatherstripping to fill gaps in your door
How to Hang a New Front Door in an Existing Frame
Replacing an old entry door with This Old House general contractor Tom Silva
How to Repair a Broken Doorbell
Bringing back the "bing-bong" with electrician Steve Krasner
How to Repair Sliding Wood Closet Doors
In this how-to video, This Old House general contractor Tom Silva shares simple solutions for balky sliding doors
How to Install Door Trim
Whether you’re installing a new door or changing the door’s trim for aesthetic reasons, read on to learn how to trim a door yourself.
How to Identify and Repair Rotting Wood
General contractor Tom Silva takes host Kevin O’Connor through the causes of wood rot, how to avoid it, and what to do when it occurs.
How to Fix a Screen Door
If the screen in your sliding door has a hole, it’s time to repair it. Keep the insects out with a few simple tools and some new screening.
How to Repair a Split Door Jamb
This Old House general contractor Tom Silva shows a fast fix for a badly fractured doorframe
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 Install a New Threshold
In this how-to video, This Old House general contractor Tom Silva installs a new oak door threshold
How to Weatherstrip an Exterior Door
This Old House general contractor Tom Silva shares tips for fixing a drafty door
How to Install an Automatic Door Closer
How does automatic closing with customizable speed and power sound to you? Installing an automatic door closer can check all those boxes while meeting code and keeping you safe.
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
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 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.
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.
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 Refinish a Door
A pro's secrets for rejuvenating weather-beaten wood.
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.
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.
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.
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 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
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.