INSLTN KRFT FCD 15X384" *Brand Name: Owens Corning *Width: 15 in. *Length: 384 in. *Thickness: 3.5 in. *R Value: 13 *Facing: Kraft Faced *Insulation Type: Fiberglass *Product Type: Insulation *Roll or Batt: Roll *Coverage Area: 40 sq ft