Insulation

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Insulation

Accessories (16)

Blow-in Insulation (2)

Blow-in Machines (3)

Denim Insulation (3)

Fiberglass (17)

Foam (10)

Housewrap (7)

Radiant Barrier (35)

Rigid Insulation (16)

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Save money and energy with an extensive insulation selection from The Home Depot.

Learn More About Insulation

Shop All Insulation Products

Buy Online. Pick Up In Store. Your orders are waiting for you, paid for and ready to go.

Let Us Install It for You

Relax and let the professional installation specialists install or replace your insulation. One competitive price covers everything from materials, installation and clean-up.

Adding Attic Insulation is a Blast

AttiCat® Expanding Blown-in PINK Fiberglas® insulation is easily and quickly added to your attic or walls with the AttiCat insulation blowing machine. It’s one of the fastest, easiest and most affordable ways to save on energy. It also can save up to 20% on your home’s heating and cooling energy costs by insulating and air sealing.

Why R-Values Are Important

R-value measures how well building insulation materials, such as foam insulation, resist heat. The higher the R-value, the greater the insulation. Insulation with a higher R-value will perform better than insulation with a lower rating.

Tool & Truck Rental

Rent a large selection of well-maintained tools including the AtticCat blow-in insulation machine. Truck rentals help you get your purchase home or to the job site.

How-To: Insulation

Be prepared before you buy. The Home Depot shows you how to select the right kind of insulation to match your needs and budget.

Buying Guides

Be prepared before you buy. Learn how to select the right kind of insulation to match your needs and budget.

The Home Depot will guide you through projects from start to finish, with instructions for doing it right, selecting the right insulation and installation tips get the job done faster.

Project Guides

We'll guide you through projects from start to finish, with instructions for selecting the right insulation as well as installation tips to get the job done faster.

Blog

The Home Depot pros reveal tricks of the trade to help you find the right insulation, tools and materials for your next project.

Shop The Home Depot for Insulation & Accessories

Find all your insulation supplies, tools and equipment at The Home Depot. We have a large selection, including spray foam insulation and fiberglass insulation. We sell all the supplies and materials you'll need to insulate your home, including blow-in insulation, spray insulation, radiant barrier insulation, foam insulation, styrofoam insulation and a wide range of insulation supplies. To get maximum benefits use insulation in various areas of the home: pipe insulation, attic insulation duct insulation, wall insulation and ceiling insulation.

Beyond our expansive inventory of insulation and supplies, turn to The Home Depot for advice, Buying Guides and step-by-step instructions for insulation projects and even professional insulation installation. When you’re in the store, the knowledgeable associates at The Home Depot can help you decide which insulation is the best for your individual needs. The Home Depot is the best insulation resource for do-it-yourselfers and professionals.