Johns Manville R-30 Unfaced Fiberglass Insulation Roll 15 in. x 25 ft. Model K1242 Johns Manville R-30 Kraft Faced Fiberglass Insulation Batt 16 in. x 48 in. Model B390 Knauf Insulation ECOBATT ...

Fiberglass Batts or Rolls vs. Blown-In Insulation When you insulate your own attic, you can either lay down fiberglass batts or rolls or blow in cellulose insulation .

Fiberglass insulation is typically sold in batts or rolls designed to fit standard wall and ceiling cavities with framing members spaced 16 or 24 inches apart, on center. The batts' thicknesses ...

Insulating your entire attic or loft enhances both energy efficiency and overall comfort in your home. During the winter, take notice of the rooms of your home that feel drafty and cold. Focus on ...