Window How To & DIY

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

A Bay window with a potted plant sitting on it's sill.

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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.
A window being pressure washed.

A Guide to Pressure Washing Windows to Make Them Shine

Pressure washing your windows may not sound like a difficult task, but it's a more delicate project than you think. Follow our guide.
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How To Identify and Repair Rotting Wood

Read our step-by-step instructions on identifying and repairing rotting wood and learn how to keep your home’s wood components in top shape.
Cloth wiping away condensation on a window.

How To Prevent Condensation on Windows

Window condensation is an ideal breeding ground for mold and mildew. Our guide shows you how to prevent condensation on windows.
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How To Drill Through Glass Safely and Effectively

This step-by-step guide will teach you 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.
Chris Ermides builds custom screens for his windows
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How to Build a Custom Window Screen in a Few Simple Steps

Pro2Pro Editor Chris Ermides decided to upgrade tattered window screens with new ones he built himself. We show you how he did it.
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How To Assemble Exterior Window Trim

Don’t leave your windows exposed—learn this expert process for trimming windows that helps protect them from the elements.
a window insert on an old window

New Life for Old Windows

How a smart alternative to window replacement saves energy, reduces noise, and preserves architectural integrity.
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How To Replace a Broken Windowpane

From preparation to finish-out, This Old House general contractor, Tom Silva, shows us how to replace a broken window pane.
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How To Identify and Repair Damaged Window Sash Cords

A damaged window sash cord can make opening and closing windows a pain. Read our guide to learn how to repair these features and restore smooth operation.
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How To Trim an Interior Window

This Old House general contractor, Tom Silva, shows a homeowner how to trim a window to match the rest of the house.
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How to Replace a Picture Window

In this guide, Ask This Old House general contractor Tom Silva shows how to remove and replace a broken picture window.
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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.
A set of windows with gaps in the winter.

Mind the Window Gaps: Three Ways To Easily Block Drafts

If you can feel a breeze around your windows, don't hesitate, consider these quick and easy ways to block drafts.
A man using a nailer to work on straightening a window.
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A Guide to Straightening a Window in 8 Simple Steps

Learn how to fix crooked windows easily by following our step-by-step guide to correct alignment and enhance your home's comfort
Image of Kevin O' Connor demonstrating how to add weatherstripping to a double-hung window.

How to Weatherstrip Double Hung Windows

Don’t replace those drafty old windows. Seal them with new weatherstripping instead. Here's how to do it for about $80 and an hour's time.
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How To Repair a Window Muntin: A Step-by-Step Guide

Muntins are the plastic or wooden dividers between window panes. This step by step guide goes over how you can repair window muntins.
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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.
Image of a home with double hung windows. It is important to choose the right window types for your home.

How To Choose the Right Window Style for Your Home

Discover how to choose the perfect window style for your home, balancing aesthetics, functionality, and energy efficiency.
A home with windows on a hot summer day.

Hot Weather Tips for Windows to Keep Your Home Cool

Stay cool with our hot weather tips for windows. Explore solutions to reduce interior heat and improve energy efficiency.
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How to Replace a Skylight

When you're ready to replace your skylight, watch our video to learn how to swap out your old unit for a new one with a watertight seal.
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How To Choose Hurricane Window Protection for Your Home

Hurricane window protection can protect your home and loved ones from storm surge, high winds, and heavy rainfall. Learn more in our guide.
A man working on repairing vinyl siding on a house that has melted.
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A Step by Step Guide to Repairing Melted Vinyl Siding

Need to fix melted vinyl siding? Our guide explains how to repair it and offers ways to protect your home from further heat damage.
A man working on adding window trim to a window.
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How to Install Interior Window Trim in 5 Simple Steps

This Old House general contractor Tom Silva shows you how to install interior window trim using hand tools. Follow along to learn how.
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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

In this guide, This Old House general contractor Tom Silva shows us how to fasten outdoor flower boxes to masonry and brick walls securely.