What Is the Best Insulation for Your Attic

Many people consider fiberglass batt to be the best attic insulation. It consists of plastic reinforced by small glass fibers. The batt version comes in blanket form — i.e., small, pre-cut sections that you can lay down wherever you need to.

What type of insulation is best for attics?

Many people consider fiberglass batt to be the best attic insulation. It consists of plastic reinforced by small glass fibers. The batt version comes in blanket form — i.e., small, pre-cut sections that you can lay down wherever you need to.

What is the best R-value for attic?

ZoneAdd Insulation to AtticUninsulated AtticExisting 3–4 Inches of Insulation1R30 to R49R25 to R302R30 to R60R25 to R383R30 to R60R25 to R38