Attic Insulation with Fiberglass Batts: Boost Energy Efficiency and Save Money

Adding Insulation to Attic

Cellulose, made of recycled newspaper and cardboard, is an even more eco-friendly attic insulation option. Unlike fiberglass batts , which come in rolls or sheets, cellulose is blown in using a machine to fill gaps fully. It has a higher R-value than fiberglass at R-3.6-R-3.8, meaning you can lay a thinner layer to achieve better insulation .

Your ultimate guide to attic insulation batts ! Learn about fiberglass , mineral wool, R-values, installation, and how to choose the best option.

5 Best Attic Insulation Options in 2026 (Pros & Cons)

Fiberglass batt and roll insulation is a common and budget-friendly option. This insulation comes in pre-cut batts or long rolls, making it easy to fit between the framing members, like joists and trusses, in your attic .

By far, installing fiberglass batts is one of the most effective approaches to increasing your home's energy efficiency. Fiberglass remains one of the most trusted thermal insulation materials on the market, whether you're insulating new wall cavities or upgrading an older attic . It's affordable, effective, and fairly easy for homeowners to install on their own if done properly. In this ...

Useful Notes on Attic Insulation With Fiberglass Batts

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How to Install Fiberglass Insulation in Your Attic

When installing fiberglass insulation in your home, be sure to put the paper or foil vapor barrier facing toward the heated and cooled living area of the home (down in attics , up under floors, in on walls) to prevent condensation from occurring. If you are applying an additional layer of fiberglass insulation to your attic , use unfaced insulation on top of the existing insulation to keep from ...

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How To Insulate an Attic with Fiberglass

Insulating your attic with fiberglass is an affordable way to make your home energy-efficient and more comfortable. Fiberglass can improve your attic's thermal performance, which means you can save on energy bills. Read about how to insulate your attic with fiberglass and check for proper ventilation in our step-by-step guide.

Get free shipping on qualified Batt Fiberglass Insulation products or Buy Online Pick Up in Store today in the Building Materials Department.

Fiberglass Batt Insulation for Sustainable Comfort

Batt insulation is a practical choice for improving energy efficiency, comfort and sound control throughout the home. By fitting neatly within framing cavities, batt insulation helps support consistent thermal performance across walls, floors and ceilings.

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