Owens Corning 703 FRK is ideal for DIY acoustic panels and bass traps.

Owens Corning 703 FRK – 2” x 24″ x 48″ – (6 per pack) – $119.99

Owens Corning FIBERGLAS® 700 Series Insulations are made of inorganic glass fibers with a thermosetting resin binder and formed into flexible, semi-rigid or rigid rectangular boards of varying densities. Types 703, 704 and 705 are available with factory-applied FRK or ASJ facings. Both facings are vapor retarders and provide a neat, finished appearance in mechanical applications.