Owens Corning EcoTouch PINK FIBERGLAS Insulation (Specific for 2" by 12" STEEL framed walls with joists spaced 24" apart) R-Value: 40 Dimensions: 11½” x 24" Coverage: 48.0 sq. ft./bag Application: Attics PINK FIBERGLAS Insulation will keep you warm in winter and cool in summer and saves up to 20% in monthly heating and cooling costs! This formaldehyde-free, soft-to-the-touch insulation is non-combustible, eco-friendly and perfect for new installation or renovation projects. Data Sheet