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Window How To & DIY

Improve the value of your home by discovering our window step-by-step tips & ideas.

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Build the Bay Window You've Always Wanted

By replacing a flat picture window with a beautiful bay, you can increase natural light, expand your views, and create a cozy nook.
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How to Pressure Wash Your Windows

You’d be surprised how much difference having clean windows can make with your home. But window washing actually isn’t an easy task, especially if you have multiple floors. Here is how to pressure wash windows to achieve sparkling results.
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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.
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How to Prevent Condensation on Windows

Window condensation is an ideal breeding ground for mold and mildew. Read this guide to prevent these potentially harmful species from entering your home.
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How to Drill Through Glass

Learn how to safely drill a hole in glass without chipping, cracking, or shattering it to pieces.

5 Easy Ways to Remove Scratches from a Glass Window

Dealing with scratches on your glass windows? We’ve rounded up 5 methods for removing scratches from glass quickly and easily. Read this guide to learn more.
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How to Secure Your Windows

Whether you want to secure windows yourself or employ professional security monitoring, you can easily protect your home’s windows with a few simple changes. Keep reading for tips on improving window security and our picks for the best security products for preventing intruders.
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How to Properly Install a Window | Pro2Pro

Watch Tom Silva teach two apprentices how to correctly hang a flanged window.
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How to Build a Custom Window Screen

Pro2Pro Editor, Chris Ermides, decided to upgrade the tattered window screens that came with his house by building new ones
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How to Assemble Exterior Window Trim

Sweenor Builders developed a process for trimming out windows that yields tight joints sure to withstand harsh climates
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New Life for Old Windows

How a smart alternative to window replacement saves energy, reduces noise, and preserves the architectural integrity of two TOH TV Project Houses.
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How to Replace a Broken Windowpane

Ask This Old House general contractor Tom Silva replaces a broken pane in a basement window
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How to Repair Damaged Window Sash Cords

Ask This Old House general contractor Tom Silva helps a homeowner fix window sash cords to keep her double hung window in balance
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How to Trim an Interior Window

Ask This Old House general contractor Tom Silva helps a homeowner trim a window to match the rest of the house
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How to Replace a Picture Window

Ask This Old House general contractor Tom Silva shows how to remove a broken window and replace it.
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How Safety Glass Can Protect You

Ask This Old House general contractor Tom Silva demonstrates how safety glass breaks differently than traditional plate glass.
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How to Trim a Window with Pressure-Treated Pine

General Contractor Jeff Sweenor explains how to use pre-primed, pressure-treated pine for exterior window trim and door casings
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Mind the Window Gaps

If you can feel a breeze around your closed windows, consider these quick-and-easy ways to block drafts. Such stopgap measures eliminate air leaks by sealing sash perimeters from indoors. Come spring, add or replace weatherstripping for a longer-lasting fix
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How to Straighten a Window

Ask This Old House general contractor Tom Silva shims a window that has fallen out of parallel due to improper installation
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How to Seal Old Windows

Don’t replace those drafty old windows, here’s how to weatherstrip your double hung windows instead.
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How to Repair a Window Muntin

When an errant sash lock mangles a wood window, here’s how to make the damage disappear
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How to Quickly Prime and Paint Windows

Ask This Old House host Kevin O’Connor works with painter Mauro Henrique to demonstrate a masking primer that leaves clean lines on a window
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How to Replace Antique Window Sash Balancers

Ask This Old House general contractor Tom Silva helps a homeowner give his antique window a lift by installing new sash balancers.
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Choose the Right Window Style for Your Home

Pinpoint the perfect type of window to match your home’s architecture
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Hot Weather Tips for Windows

Easy upgrades to keep cool this summer
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How to Replace a Skylight

This Old House general contractor Tom Silva installs a new skylight into an existing roof opening
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How to Choose Hurricane Window Covers

This Old House general contractor Tom Silva shows a homeowner several ways to protect windows during a storm.
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How to Repair Melted Vinyl Siding

This Old House general contractor Tom Silva helps a homeowner solve the mystery of her melted vinyl siding
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How to Install Interior Window Trim

This Old House general contractor Tom Silva installs interior window trim using hand tools
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Norm Abram's Tricks of the Trade IV

TOH compiled the latest and greatest from the master carpenter
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How to Make Board-and-Batten Shutters

You can enhance your window openings by buying factory-made pairs or save a bundle by building your own
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Enhancing Your Home with Custom Windows and Doors

Use oversized windows and doors, like these from Marvin Windows, to create open spaces for entertaining and gathering, both inside and outside the home
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How to Attach Window Boxes to Brick Siding

This Old House general contractor Tom Silva shows how to securely fasten outdoor containers to masonry