OPTIMA gives homes a custom-designed, seamless, thermally efficient sound-reducing blanket that completely fills any void. No other product installs better or performs better than OPTIMA. Another benefit of OPTIMA is its acoustical performance. Because it fills every gap, it delivers a consistent blanket of coverage, helping to provide a quiet oasis from the noisy outside world. Tests show that even a small gap in an insulated cavity can cause a substantial increase in heating or cooling costs. Blown-in with OPTIMA makes it easier for installers to provide a superior insulation job with no voids around wires, electrical boxes and pipes. And odd-sized framing assemblies are no problem. With OPTIMA, there’s no cutting or fitting. The absence of voids means you’re assured of full R-Value for a superior finished job and exceptional thermal efficiency. Midfloor is a reference to the space between floors in residential, multifamily and commercial buildings. Using OPTIMA blown-in fiber glass...See Moreinsulation to fill this space improves acoustical performance by limiting the noise transmissions between floor assemblies. OPTIMA also provides high quality fire protection benefits. If you’re looking for an insulation system for closed-cavity applications, no other product installs or performs better than OPTIMA. It provides a seamless, thermally efficient blanket that fills every cavity, leaving no gaps or voids, and will not settle. See Less