Blown-In vs. Batt Insulation Compared

Blown-in insulation is loose-fill material that can be applied with a blower while traditional fiberglass or cellulose batts are pre-cut panels that must be fitted to the space. Blown-in attic insulation provides seamless coverage, filling nooks and crannies to enhance your home’s energy efficiency. In addition, because it’s made from recycled materials and requires less energy to manufacture than traditional fiberglass, blown-in attic insulation is an environmentally friendly option.

Insulation is one of the spray foam insulation ways to save money and make your home more comfortable, but choosing which type of insulation is right for your project can be difficult. In this article, we’ll compare the differences between blown-in and batt insulation to help you choose the best solution for your home.

Batts are an economical choice and can be installed in walls, ceilings or floors before drywall is installed or at any time thereafter. They offer good thermal performance and come in a variety of R-values and thicknesses. Fiberglass and cellulose are common materials for batt insulation, but there are also options such as mineral wool, spun rock fibers or even denim.

How Proper Attic Insulation Improves Comfort and Energy Efficiency

Fiberglass batts can be purchased with or without facings, which act as a vapor retarder to help handle moisture content in the air and prevent mold growth. The price of the facings will affect the overall cost. However, if your application calls for a vapor barrier it is not wise to cut costs by skipping the facings. If you do, the insulation will lose its R-value over time as it settles and absorbs water.

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