#1658143 - 06/06/0609:40 AMRe: OC 703 vs Mineral Wool
Ethan Winer
MP Hall of Fame Member
Registered: 06/12/00
Posts: 6086
Loc: New Milford, CT, USA
Mineral wool is very similar to rigid fiberglass in its absortion. It looks and feels a little different than 703 and 705, but it's a fine substitute acoustically.