Owens Corning EcoTouch PINK Fiberglas Insulation with PureFiber Technology is a preformed. fl exible blanket insulation. It is produced in R-values from 11 to 49. with thicknesses ranging from 3-1/2 to 14 in. It is available unfaced. or faced with either a kraft or foil vapor retarder.Sized for metal or wood framing.Can be stapled or friction-fit.Easy to handle and install.Trim and fabricate with a utility knife.Meets thermal specifications.Improves interior noise control.Non-corrosive to steel. aluminum or copper.Dimensionally stable and will not decay or slump in the cavity.