Fiberglass insulation by Johns Manville

EasyFit perforated fiberglass insulation product features unfaced batts in 15-inch widths with vertical perforations that allow installers to custom fit non-standard-width wall cavaties by easily separating section instead of cutting the batt with a utility knife. It is available in 15-inch-by-93-inch R-13 unfaced fiberglass batts, designed to fit non-standard framing cavities in exterior and interior walls.