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Seal & Insulate Your Home

Sealing and insulating the shell of your home  is often the most cost effective way to improve the energy efficiency and comfort of your home.

Weatherize Your Home

Cracks around doors and windows can account for up to one-third of your home’s overall heating cost. Applying caulk and weather stripping can reduce this loss.

Learn About R-Values

R-value refers to the ability of insulation to block heat, not its thickness. The higher the R-value, the better its insulating power. How can you ensure that the insulation you choose will properly insulate your home? Find general recommendations for your region here.

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.