Features a Heat Resistance R-Value of 8.7 to reduce heat transfer and lower operating costs
2 inch fiberglass insulation boards are certified to contain an average of 53% recycled glass content
Fire Resistance Classification A or Class 1 according to ASTM E84, suitable for standard industry building practices, professional studios, and do-it-yourself projects.
4 Pack of 24" x 48" x 2" unfaced Owens Corning 705 rigid insulation boards
Features a Noise Reduction Coefficient (NRC) of 1.05 for superior sound absorption