Insulation
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Read This Before You Finish Your Attic
Whether you envision your house's top floor as an away-from-it-all master suite, a quiet home office, or a kids' hangout, don't lift a finger until you've read TOH's expert advice.
How to Insulate a Basement
This Old House general contractor Tom Silva shows how to warm up a chilly concrete wall
How to Choose and Use Insulation
This Old House general contractor Tom Silva explains how to choose insulation.
Insulation Education
Proper insulation is the best way to maximize comfort and minimize energy bills
How to Install Insulation
Learn how to beef up your wall's weather protection in 4 easy steps.
5 Steps to Finishing an Attic
This Old House's Two-Minute Expert explains what goes into creating a bonus room under the rafters
What to Know About Using Soybean Insulation
A Chicago couple uses spray-foam insulation made from soybeans to keep their kitchen cool in the summer and warm in the winter.
How to Insulate Window Weight Pockets
In this how-to video, This Old House general contractor Tom Silva shows an energy-efficient way to insulate old windows
How to Insulate an Attic
In this how-to video, This Old House general contractor Tom Silva and host Kevin O'Connor demonstrate the proper way to insulate an attic
How to Insulate a Window with Sash Weights
In this video, This Old House general contractor Tom Silva explains how to insulate a window with sash weights.
How to Retrofit Cellulose Insulation
In this video, This Old House general contractor Tom Silva explains how to install cellulose insulation
Structural Insulated Panels at Carlisle
These foam-core panels at Carlisle will stand for a century and keep heating costs down
How to Insulate an Old House
We share different types of insulation so you can select what works best for your home’s interior walls.
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Types of Insulation for Your Home
Proper insulation is the best way to maximize comfort and minimize energy bills. Here are some common types of insulation for your home.
From the Ground Up: Roofing and Siding
This Old House general contractor Tom Silva shows how he installs roofing and siding to keep a house buttoned up and dry.
Ice Dam Prevention
Here’s how to prevent ice dams in 8 steps so you can enjoy a winter free of icicles and the damage they can do to your roof.
New Insulation Options
Companies make materials for almost any need, including one that gives people with allergies one fewer tormenter
Your Basement: Why Add on When You Can Add Under?
Your basement is valuable real estate, and it's an ideal place for the low-cost extra bedroom, family room or workout space you've always wanted
How to Cut Batts of Fiberglass Insulation
3 easy steps and neat trick to safely make tidy cuts in fiberglass insulation batts.
Adding Attic Insulation
Can you blow insulation over existing insulation? How much is enough? We answer these questions and more.
How to Insulate a Crawl Space
To reap the temperature-regulating benefits of a crawl space, it must be adequately insulated. Read on to learn why you should insulate your crawl space and how to do so.