2 inch fiberglass insulation boards are certified to contain an average of 53% recycled glass content
Features a Noise Reduction Coefficient (NRC) of 0.75 for superior sound absorption
FRK (Foil Reinforced Kraft) is an aluminum foil jacket exterior with fiberglass reinforcement over a rigid kraft paper which is easy to clean
Fire Rated Class A or Class 1 per ASTM E84 for industry standard construction, professional studios, and DIY applications
6 Pack of 24" x 48" x 2" Owens Corning 703 FRK semi-rigid fiberglass insulation boards
- Offers a Heat Resistance R-Value of 8.7 for minimizing heat transfer and decreasing operating expenses
The foil facing will reflect some of the mid to high range sound frequencies, but allows the low-end frequencies to pass through to the absorption material.